#373E09

Closest named color: Dark Olive (#373E02). oklch(34.6% 0.073 117), rgb(55, 62, 9).

Aa

White text reads best on this color (11.31:1).

About this color

#373E09 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.073 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.005 away. White text reads best on it, at 11.31:1.

Hue familyBrowns
Lightnessdark (35%)
Chromamoderately saturated (0.073)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text1.85:1
White text11.31:1

Values

HEX#373E09
RGBrgb(55, 62, 9)
HSLhsl(68, 75%, 14%)
OKLCHoklch(34.6% 0.073 117)

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 #373E09 11.31:1 AAA Lc -99.8 Preferred for body text
Black text on #373E09 1.85:1 Fails Lc 7.9 Not readable
#373E09 text on white 11.31:1 AAA Lc 96.0 Preferred for body text
#373E09 text on black 1.85:1 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

    #D7DCC6

    oklch(88.5% 0.03 117.4)

  4. Step 300

    300

    #BEC69E

    oklch(81% 0.055 116.8)

  5. Step 400

    400

    #9CA868

    oklch(70.7% 0.088 117.4)

  6. Step 500

    500

    #85923C

    oklch(63.1% 0.112 116.9)

  7. Step 600

    600

    #6F7C14

    oklch(55.7% 0.121 117)

  8. Step 700

    700

    #5D6801

    oklch(49.1% 0.113 116.8)

  9. Step 800

    800

    #4C550A

    oklch(42.7% 0.093 116.8)

  10. Step 900

    900 (this color)

    #373E09

    oklch(34.6% 0.073 117)

  11. Step 950

    950

    #25290D

    oklch(26.9% 0.046 116.3)

Export this scale for Tailwind in the Tailwind colors tool

#373E09 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)#433A010.022
Deuteranopia (no green cones)#423B0E0.022
Tritanopia (no blue cones)#3B3A340.063
Achromatopsia (no color)#3A3A3A0.073

Harmonies

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

Complementary

The opposite hue (180°).

  • #373E09

    #373E09

    oklch(34.6% 0.073 117)

  • #3E305A

    #3E305A

    oklch(34.5% 0.073 297.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #373E09

    #373E09

    oklch(34.6% 0.073 117)

  • #493600

    #493600

    oklch(34.5% 0.071 86.7)

  • #1C4322

    #1C4322

    oklch(34.5% 0.072 147.1)

Open the analogous palette in the generator

Split complementary

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

  • #373E09

    #373E09

    oklch(34.6% 0.073 117)

  • #28375F

    #28375F

    oklch(34.5% 0.073 267)

  • #4D2B4D

    #4D2B4D

    oklch(34.6% 0.072 327)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #373E09

    #373E09

    oklch(34.6% 0.073 117)

  • #053E5A

    #053E5A

    oklch(34.5% 0.072 237.2)

  • #57283A

    #57283A

    oklch(34.7% 0.073 357.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #373E09

    #373E09

    oklch(34.6% 0.073 117)

  • #004249

    #004249

    oklch(34.6% 0.059 206.7)

  • #3E305A

    #3E305A

    oklch(34.5% 0.073 297.8)

  • #592924

    #592924

    oklch(34.6% 0.072 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 #373E09, closest first.

Similar named colors

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

Use #373E09 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.