#313C19

Closest named color: Dark Olive (#373E02). oklch(33.7% 0.057 123.9), rgb(49, 60, 25).

Aa

White text reads best on this color (11.72:1).

About this color

#313C19 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.057 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.024 away. White text reads best on it, at 11.72:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.057)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text1.79:1
White text11.72:1

Values

HEX#313C19
RGBrgb(49, 60, 25)
HSLhsl(79, 41%, 17%)
OKLCHoklch(33.7% 0.057 123.9)

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 #313C19 11.72:1 AAA Lc -100.5 Preferred for body text
Black text on #313C19 1.79:1 Fails Lc 0.0 Not readable
#313C19 text on white 11.72:1 AAA Lc 96.9 Preferred for body text
#313C19 text on black 1.79:1 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

    #F4F6F2

    oklch(97.1% 0.006 128.5)

  2. Step 100

    100

    #E8EBE2

    oklch(93.5% 0.012 121.7)

  3. Step 200

    200

    #D6DCCB

    oklch(88.5% 0.024 122.8)

  4. Step 300

    300

    #BBC6A8

    oklch(81% 0.043 123.7)

  5. Step 400

    400

    #98A879

    oklch(70.7% 0.068 123.4)

  6. Step 500

    500

    #7E9356

    oklch(63.2% 0.088 124.4)

  7. Step 600

    600

    #687D3A

    oklch(55.7% 0.096 123.9)

  8. Step 700

    700

    #56692C

    oklch(49.1% 0.089 124.1)

  9. Step 800

    800

    #475626

    oklch(42.8% 0.074 123.8)

  10. Step 900

    900 (this color)

    #313C19

    oklch(33.7% 0.057 123.9)

  11. Step 950

    950

    #232915

    oklch(26.9% 0.036 122.4)

Export this scale for Tailwind in the Tailwind colors tool

#313C19 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)#3F38160.025
Deuteranopia (no green cones)#3E381B0.026
Tritanopia (no blue cones)#3339340.047
Achromatopsia (no color)#3838380.057

Harmonies

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

Complementary

The opposite hue (180°).

  • #313C19

    #313C19

    oklch(33.7% 0.057 123.9)

  • #3D2F4F

    #3D2F4F

    oklch(33.5% 0.058 303.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #313C19

    #313C19

    oklch(33.7% 0.057 123.9)

  • #41360F

    #41360F

    oklch(33.6% 0.057 93.2)

  • #1D4029

    #1D4029

    oklch(33.8% 0.058 153.3)

Open the analogous palette in the generator

Split complementary

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

  • #313C19

    #313C19

    oklch(33.7% 0.057 123.9)

  • #2E3555

    #2E3555

    oklch(33.8% 0.057 273.6)

  • #492B43

    #492B43

    oklch(33.6% 0.058 334.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #313C19

    #313C19

    oklch(33.7% 0.057 123.9)

  • #1A3A52

    #1A3A52

    oklch(33.6% 0.057 243.3)

  • #4F2A34

    #4F2A34

    oklch(33.6% 0.056 3.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #313C19

    #313C19

    oklch(33.7% 0.057 123.9)

  • #043E49

    #043E49

    oklch(33.6% 0.057 214.7)

  • #3D2F4F

    #3D2F4F

    oklch(33.5% 0.058 303.6)

  • #512C23

    #512C23

    oklch(33.8% 0.057 34.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #313C19, closest first.

Similar named colors

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

Use #313C19 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.