#371515

Closest named color: Dark Brown (#341C02). oklch(24.8% 0.055 21.8), rgb(55, 21, 21).

Aa

White text reads best on this color (16.39:1).

About this color

#371515 is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.055 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.040 away. White text reads best on it, at 16.39:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamuted (0.055)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.28:1
White text16.39:1

Values

HEX#371515
RGBrgb(55, 21, 21)
HSLhsl(0, 45%, 15%)
OKLCHoklch(24.8% 0.055 21.8)

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 #371515 16.39:1 AAA Lc -105.6 Preferred for body text
Black text on #371515 1.28:1 Fails Lc 0.0 Not readable
#371515 text on white 16.39:1 AAA Lc 103.1 Preferred for body text
#371515 text on black 1.28:1 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F6E5E4

    oklch(93.5% 0.019 21.6)

  3. Step 200

    200

    #F0D0CF

    oklch(88.4% 0.036 20)

  4. Step 300

    300

    #E8B1AE

    oklch(81% 0.065 22.2)

  5. Step 400

    400

    #DA8684

    oklch(70.8% 0.104 21.5)

  6. Step 500

    500

    #CD6565

    oklch(63% 0.132 21.5)

  7. Step 600

    600

    #B84A4C

    oklch(55.6% 0.143 21.9)

  8. Step 700

    700

    #9E3A3D

    oklch(49% 0.133 21.7)

  9. Step 800

    800

    #813133

    oklch(42.8% 0.111 21.6)

  10. Step 900

    900

    #682C2C

    oklch(37.7% 0.087 22.1)

  11. Step 950

    950 (this color)

    #371515

    oklch(24.8% 0.055 21.8)

Export this scale for Tailwind in the Tailwind colors tool

#371515 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)#1D1B150.058
Deuteranopia (no green cones)#2522140.054
Tritanopia (no blue cones)#3D10150.017
Achromatopsia (no color)#1F1F1F0.055

Harmonies

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

Complementary

The opposite hue (180°).

  • #371515

    #371515

    oklch(24.8% 0.055 21.8)

  • #00272A

    #00272A

    oklch(24.8% 0.042 202.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #371515

    #371515

    oklch(24.8% 0.055 21.8)

  • #341524

    #341524

    oklch(24.8% 0.054 351.5)

  • #351805

    #351805

    oklch(24.7% 0.055 51.4)

Open the analogous palette in the generator

Split complementary

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

  • #371515

    #371515

    oklch(24.8% 0.055 21.8)

  • #00281E

    #00281E

    oklch(24.7% 0.048 171.7)

  • #002535

    #002535

    oklch(24.8% 0.051 231.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #371515

    #371515

    oklch(24.8% 0.055 21.8)

  • #10270E

    #10270E

    oklch(24.6% 0.054 142.2)

  • #12203B

    #12203B

    oklch(24.7% 0.055 262.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #371515

    #371515

    oklch(24.8% 0.055 21.8)

  • #222300

    #222300

    oklch(24.7% 0.054 111.4)

  • #00272A

    #00272A

    oklch(24.8% 0.042 202.5)

  • #221B39

    #221B39

    oklch(24.7% 0.056 292.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #371515, closest first.

Similar named colors

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

Use #371515 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.