#370E18

Closest named color: Dark Maroon (#3C0008). oklch(23.7% 0.066 8.8), rgb(55, 14, 24).

Aa

White text reads best on this color (16.95:1).

About this color

#370E18 is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.066 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.031 away. White text reads best on it, at 16.95:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamuted (0.066)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.23:1
White text16.95:1

Values

HEX#370E18
RGBrgb(55, 14, 24)
HSLhsl(345, 59%, 14%)
OKLCHoklch(23.7% 0.066 8.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #370E18 16.95:1 AAA Lc -105.9 Preferred for body text
Black text on #370E18 1.23:1 Fails Lc 0.0 Not readable
#370E18 text on white 16.95:1 AAA Lc 103.5 Preferred for body text
#370E18 text on black 1.23:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F8E4E7

    oklch(93.6% 0.022 7.2)

  3. Step 200

    200

    #F4CED3

    oklch(88.5% 0.043 9.1)

  4. Step 300

    300

    #EEACB6

    oklch(80.9% 0.078 8.9)

  5. Step 400

    400

    #E27E90

    oklch(70.7% 0.124 9.2)

  6. Step 500

    500

    #D65975

    oklch(63% 0.159 9)

  7. Step 600

    600

    #C2395E

    oklch(55.6% 0.174 8.8)

  8. Step 700

    700

    #A72A4E

    oklch(49.1% 0.162 8.6)

  9. Step 800

    800

    #872540

    oklch(42.6% 0.133 8.5)

  10. Step 900

    900

    #6D2436

    oklch(37.6% 0.104 8.6)

  11. Step 950

    950 (this color)

    #370E18

    oklch(23.7% 0.066 8.8)

Export this scale for Tailwind in the Tailwind colors tool

#370E18 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#1717180.073
Deuteranopia (no green cones)#2220170.068
Tritanopia (no blue cones)#3D08120.017
Achromatopsia (no color)#1C1C1C0.067

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #370E18

    #370E18

    oklch(23.7% 0.066 8.8)

  • #002522

    #002522

    oklch(23.8% 0.042 186.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #370E18

    #370E18

    oklch(23.7% 0.066 8.8)

  • #321029

    #321029

    oklch(23.8% 0.066 339)

  • #371104

    #371104

    oklch(23.7% 0.065 39.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #370E18

    #370E18

    oklch(23.7% 0.066 8.8)

  • #002615

    #002615

    oklch(23.7% 0.054 159.4)

  • #00232C

    #00232C

    oklch(23.7% 0.043 218.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #370E18

    #370E18

    oklch(23.7% 0.066 8.8)

  • #152400

    #152400

    oklch(23.8% 0.063 129.1)

  • #00203B

    #00203B

    oklch(23.8% 0.064 247.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #370E18

    #370E18

    oklch(23.7% 0.066 8.8)

  • #241F00

    #241F00

    oklch(23.8% 0.05 100.7)

  • #002522

    #002522

    oklch(23.8% 0.042 186.8)

  • #191A3D

    #191A3D

    oklch(23.9% 0.066 279)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #370E18, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #370E18 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.