#373F06

Closest named color: Dark Olive (#373E02). oklch(34.9% 0.076 117.8), rgb(55, 63, 6).

Aa

White text reads best on this color (11.19:1).

About this color

#373F06 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.076 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 0.004 away. White text reads best on it, at 11.19:1.

Hue familyBrowns
Lightnessdark (35%)
Chromamoderately saturated (0.076)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text1.87:1
White text11.19:1

Values

HEX#373F06
RGBrgb(55, 63, 6)
HSLhsl(68, 83%, 14%)
OKLCHoklch(34.9% 0.076 117.8)

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 #373F06 11.19:1 AAA Lc -99.6 Preferred for body text
Black text on #373F06 1.87:1 Fails Lc 8.1 Not readable
#373F06 text on white 11.19:1 AAA Lc 95.8 Preferred for body text
#373F06 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

    #F5F6F0

    oklch(97.1% 0.008 114.2)

  2. Step 100

    100

    #E9ECDF

    oklch(93.7% 0.018 117.3)

  3. Step 200

    200

    #D7DCC5

    oklch(88.4% 0.031 117)

  4. Step 300

    300

    #BDC69D

    oklch(80.9% 0.056 117.7)

  5. Step 400

    400

    #9BA965

    oklch(70.8% 0.093 118.3)

  6. Step 500

    500

    #849338

    oklch(63.2% 0.117 117.8)

  7. Step 600

    600

    #6E7C07

    oklch(55.5% 0.126 117.4)

  8. Step 700

    700

    #5C6900

    oklch(49.2% 0.114 117.9)

  9. Step 800

    800

    #4B5503

    oklch(42.6% 0.097 117.4)

  10. Step 900

    900 (this color)

    #373F06

    oklch(34.9% 0.076 117.8)

  11. Step 950

    950

    #24290C

    oklch(26.8% 0.047 117.9)

Export this scale for Tailwind in the Tailwind colors tool

#373F06 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)#443B000.024
Deuteranopia (no green cones)#433B0B0.025
Tritanopia (no blue cones)#3B3B350.066
Achromatopsia (no color)#3B3B3B0.076

Harmonies

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

Complementary

The opposite hue (180°).

  • #373F06

    #373F06

    oklch(34.9% 0.076 117.8)

  • #3F305C

    #3F305C

    oklch(34.7% 0.076 298.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #373F06

    #373F06

    oklch(34.9% 0.076 117.8)

  • #4A3700

    #4A3700

    oklch(34.8% 0.071 87)

  • #194522

    #194522

    oklch(35% 0.077 148)

Open the analogous palette in the generator

Split complementary

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

  • #373F06

    #373F06

    oklch(34.9% 0.076 117.8)

  • #293862

    #293862

    oklch(35% 0.076 267.6)

  • #4F2A4E

    #4F2A4E

    oklch(34.8% 0.077 328)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #373F06

    #373F06

    oklch(34.9% 0.076 117.8)

  • #013F5D

    #013F5D

    oklch(34.9% 0.076 237.8)

  • #59273A

    #59273A

    oklch(34.9% 0.077 357.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #373F06

    #373F06

    oklch(34.9% 0.076 117.8)

  • #00434A

    #00434A

    oklch(35% 0.06 206.6)

  • #3F305C

    #3F305C

    oklch(34.7% 0.076 298.1)

  • #5C2823

    #5C2823

    oklch(34.8% 0.077 27.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #373F06, closest first.

Similar named colors

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

Use #373F06 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.