#370C24

Closest named color: Dark Plum (#3F012C). oklch(23.9% 0.074 349.8), rgb(55, 12, 36).

Aa

White text reads best on this color (16.92:1).

About this color

#370C24 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.074 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.031 away. White text reads best on it, at 16.92:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamoderately saturated (0.074)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.24:1
White text16.92:1

Values

HEX#370C24
RGBrgb(55, 12, 36)
HSLhsl(327, 64%, 13%)
OKLCHoklch(23.9% 0.074 349.8)

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 #370C24 16.92:1 AAA Lc -105.9 Preferred for body text
Black text on #370C24 1.24:1 Fails Lc 0.0 Not readable
#370C24 text on white 16.92:1 AAA Lc 103.4 Preferred for body text
#370C24 text on black 1.24:1 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

    #FCF2F6

    oklch(97% 0.012 351)

  2. Step 100

    100

    #F8E3EC

    oklch(93.5% 0.026 349.8)

  3. Step 200

    200

    #F3CDDE

    oklch(88.5% 0.048 349.4)

  4. Step 300

    300

    #EDAAC9

    oklch(81% 0.088 349.9)

  5. Step 400

    400

    #E079AD

    oklch(70.6% 0.141 349.7)

  6. Step 500

    500

    #D55299

    oklch(63.2% 0.18 349.9)

  7. Step 600

    600

    #C02F84

    oklch(55.6% 0.197 349.6)

  8. Step 700

    700

    #A5206F

    oklch(49.1% 0.182 349.9)

  9. Step 800

    800

    #861E5B

    oklch(42.7% 0.151 349.6)

  10. Step 900

    900

    #6C204A

    oklch(37.7% 0.117 350.1)

  11. Step 950

    950 (this color)

    #370C24

    oklch(23.9% 0.074 349.8)

Export this scale for Tailwind in the Tailwind colors tool

#370C24 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)#1218250.082
Deuteranopia (no green cones)#1E1F230.073
Tritanopia (no blue cones)#3C0A160.029
Achromatopsia (no color)#1D1D1D0.075

Harmonies

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

Complementary

The opposite hue (180°).

  • #370C24

    #370C24

    oklch(23.9% 0.074 349.8)

  • #00261B

    #00261B

    oklch(23.9% 0.048 169.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #370C24

    #370C24

    oklch(23.9% 0.074 349.8)

  • #2E1034

    #2E1034

    oklch(23.8% 0.075 320.7)

  • #3B0B10

    #3B0B10

    oklch(23.9% 0.075 19.2)

Open the analogous palette in the generator

Split complementary

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

  • #370C24

    #370C24

    oklch(23.9% 0.074 349.8)

  • #072701

    #072701

    oklch(24% 0.075 139.9)

  • #002526

    #002526

    oklch(24% 0.041 197.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #370C24

    #370C24

    oklch(23.9% 0.074 349.8)

  • #212100

    #212100

    oklch(24% 0.052 109.8)

  • #002331

    #002331

    oklch(24% 0.047 229.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #370C24

    #370C24

    oklch(23.9% 0.074 349.8)

  • #2B1C00

    #2B1C00

    oklch(23.9% 0.049 80.6)

  • #00261B

    #00261B

    oklch(23.9% 0.048 169.1)

  • #071D41

    #071D41

    oklch(23.8% 0.074 259.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #370C24, closest first.

Similar named colors

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

Use #370C24 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.