Subterranean River
#1B3C53
4-Color Kinetic Blue Palette
4-color palette · Cool temperature · Mixed tone · Complementary harmony
Likes
5,339
Colors
4
CSS variables
:root {
--c-muted-1: #1B3C53;
--c-muted-2: #234C6A;
--c-muted-3: #456882;
--c-muted-4: #D2C1B6;
}About this palette
This 4-color muted palette runs from Rabbit’s Foot (#D2C1B6) as its lightest tone to Subterranean River (#1B3C53) as its darkest. It blends Subterranean River, Kinetic Blue, Eames for Blue and Rabbit’s Foot into a single set you can drop straight into a UI. Of its 6 color pairings, 2 meet the WCAG AA contrast threshold (4.5:1) for body text — the strongest is #1B3C53 on #D2C1B6 at 6.63:1.
A versatile palette suitable for marketing pages, product hero blocks, illustrations, and accent UI states.
Color breakdown
Kinetic Blue
#234C6A
Eames for Blue
#456882
Rabbit’s Foot
#D2C1B6
Contrast & accessibility
2 of 6 color pairings meet the WCAG AA contrast threshold (4.5:1) for body text.
Aa
#1B3C53 on #D2C1B6
6.63:1
AA
Aa
#234C6A on #D2C1B6
5.21:1
AA
Aa
#456882 on #D2C1B6
3.39:1
AA Large
Aa
#1B3C53 on #456882
1.96:1
Fail
Aa
#234C6A on #456882
1.54:1
Fail
Aa
#1B3C53 on #234C6A
1.27:1
Fail
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