#681F20

Closest named color: Reddy Brown (#6E1005). oklch(35.5% 0.105 23.4), rgb(104, 31, 32).

Aa

White text reads best on this color (11.63:1).

About this color

#681F20 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.105 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.029 away. White text reads best on it, at 11.63:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.105)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.80:1
White text11.63:1

Values

HEX#681F20
RGBrgb(104, 31, 32)
HSLhsl(359, 54%, 26%)
OKLCHoklch(35.5% 0.105 23.4)

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 #681F20 11.63:1 AAA Lc -99.7 Preferred for body text
Black text on #681F20 1.80:1 Fails Lc 8.0 Not readable
#681F20 text on white 11.63:1 AAA Lc 95.9 Preferred for body text
#681F20 text on black 1.80:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #F9E4E3

    oklch(93.5% 0.023 20.9)

  3. Step 200

    200

    #F5CFCC

    oklch(88.6% 0.043 23.3)

  4. Step 300

    300

    #EFADA9

    oklch(80.8% 0.078 22.8)

  5. Step 400

    400

    #E47F7B

    oklch(70.6% 0.125 23.1)

  6. Step 500

    500

    #D95A59

    oklch(63% 0.16 23.3)

  7. Step 600

    600

    #C53B3F

    oklch(55.7% 0.175 23.4)

  8. Step 700

    700

    #A92B31

    oklch(49% 0.162 23.2)

  9. Step 800

    800

    #8A2629

    oklch(42.7% 0.135 23.4)

  10. Step 900

    900 (this color)

    #681F20

    oklch(35.5% 0.105 23.4)

  11. Step 950

    950

    #411716

    oklch(27% 0.066 23.9)

Export this scale for Tailwind in the Tailwind colors tool

#681F20 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)#332F1F0.112
Deuteranopia (no green cones)#453E1E0.103
Tritanopia (no blue cones)#730D200.031
Achromatopsia (no color)#3939390.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #681F20

    #681F20

    oklch(35.5% 0.105 23.4)

  • #00454A

    #00454A

    oklch(35.6% 0.061 203)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681F20

    #681F20

    oklch(35.5% 0.105 23.4)

  • #631F40

    #631F40

    oklch(35.6% 0.105 353.7)

  • #5F2C00

    #5F2C00

    oklch(35.6% 0.09 53.5)

Open the analogous palette in the generator

Split complementary

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

  • #681F20

    #681F20

    oklch(35.5% 0.105 23.4)

  • #004739

    #004739

    oklch(35.5% 0.068 173.9)

  • #00425C

    #00425C

    oklch(35.6% 0.073 232.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681F20

    #681F20

    oklch(35.5% 0.105 23.4)

  • #0E4911

    #0E4911

    oklch(35.6% 0.105 143.6)

  • #1E3872

    #1E3872

    oklch(35.5% 0.105 263.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681F20

    #681F20

    oklch(35.5% 0.105 23.4)

  • #3C4000

    #3C4000

    oklch(35.6% 0.08 113.7)

  • #00454A

    #00454A

    oklch(35.6% 0.061 203)

  • #402E6D

    #402E6D

    oklch(35.6% 0.105 293.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681F20, closest first.

Similar named colors

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

Use #681F20 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.