#373F0E

Closest named color: Dark Olive (#373E02). oklch(34.9% 0.07 118.2), rgb(55, 63, 14).

Aa

White text reads best on this color (11.17:1).

About this color

#373F0E is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.070 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.009 away. White text reads best on it, at 11.17:1.

Hue familyBrowns
Lightnessdark (35%)
Chromamoderately saturated (0.070)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text1.87:1
White text11.17:1

Values

HEX#373F0E
RGBrgb(55, 63, 14)
HSLhsl(70, 64%, 15%)
OKLCHoklch(34.9% 0.07 118.2)

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 #373F0E 11.17:1 AAA Lc -99.5 Preferred for body text
Black text on #373F0E 1.87:1 Fails Lc 8.2 Not readable
#373F0E text on white 11.17:1 AAA Lc 95.7 Preferred for body text
#373F0E text on black 1.87:1 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 900.

  1. Step 50

    50

    #F5F6F1

    oklch(97.1% 0.007 115.7)

  2. Step 100

    100

    #E9EBE0

    oklch(93.6% 0.015 115)

  3. Step 200

    200

    #D7DCC7

    oklch(88.5% 0.029 117.9)

  4. Step 300

    300

    #BDC6A0

    oklch(81% 0.053 118.4)

  5. Step 400

    400

    #9BA86B

    oklch(70.6% 0.084 118.4)

  6. Step 500

    500

    #839241

    oklch(63% 0.108 118.3)

  7. Step 600

    600

    #6D7C1D

    oklch(55.6% 0.117 118.3)

  8. Step 700

    700

    #5B680D

    oklch(49% 0.109 118.2)

  9. Step 800

    800

    #4B5511

    oklch(42.7% 0.09 117.8)

  10. Step 900

    900 (this color)

    #373F0E

    oklch(34.9% 0.07 118.2)

  11. Step 950

    950

    #24290F

    oklch(26.9% 0.044 118.4)

Export this scale for Tailwind in the Tailwind colors tool

#373F0E 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)#443B070.024
Deuteranopia (no green cones)#433B120.025
Tritanopia (no blue cones)#3B3B350.060
Achromatopsia (no color)#3B3B3B0.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #373F0E

    #373F0E

    oklch(34.9% 0.07 118.2)

  • #3F315A

    #3F315A

    oklch(34.8% 0.071 298.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #373F0E

    #373F0E

    oklch(34.9% 0.07 118.2)

  • #493801

    #493801

    oklch(35% 0.071 89.4)

  • #1D4425

    #1D4425

    oklch(34.9% 0.07 148.5)

Open the analogous palette in the generator

Split complementary

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

  • #373F0E

    #373F0E

    oklch(34.9% 0.07 118.2)

  • #2B385F

    #2B385F

    oklch(34.9% 0.07 268.6)

  • #4E2C4D

    #4E2C4D

    oklch(35% 0.071 328)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #373F0E

    #373F0E

    oklch(34.9% 0.07 118.2)

  • #0C3F5A

    #0C3F5A

    oklch(35% 0.069 237.6)

  • #57293A

    #57293A

    oklch(34.9% 0.071 358)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #373F0E

    #373F0E

    oklch(34.9% 0.07 118.2)

  • #00434B

    #00434B

    oklch(35% 0.06 208.2)

  • #3F315A

    #3F315A

    oklch(34.8% 0.071 298.4)

  • #592A25

    #592A25

    oklch(34.8% 0.07 27.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #373F0E, closest first.

Similar named colors

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

Use #373F0E 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.