#681D0B

Closest named color: Reddy Brown (#6E1005). oklch(35% 0.111 34.4), rgb(104, 29, 11).

Aa

White text reads best on this color (11.86:1).

About this color

#681D0B is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.111 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.020 away. White text reads best on it, at 11.86:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.111)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.76:1
White text11.86:1

Values

HEX#681D0B
RGBrgb(104, 29, 11)
HSLhsl(12, 81%, 23%)
OKLCHoklch(35% 0.111 34.4)

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 #681D0B 11.86:1 AAA Lc -100.0 Preferred for body text
Black text on #681D0B 1.76:1 Fails Lc 7.6 Not readable
#681D0B text on white 11.86:1 AAA Lc 96.3 Preferred for body text
#681D0B text on black 1.76:1 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #F9E5DF

    oklch(93.6% 0.023 37.4)

  3. Step 200

    200

    #F6CFC5

    oklch(88.5% 0.046 34.7)

  4. Step 300

    300

    #F1AE9D

    oklch(81% 0.083 34.8)

  5. Step 400

    400

    #E78067

    oklch(70.8% 0.133 34.6)

  6. Step 500

    500

    #DC5A3C

    oklch(63% 0.17 34.4)

  7. Step 600

    600

    #C83A16

    oklch(55.6% 0.184 34.5)

  8. Step 700

    700

    #AC2A05

    oklch(49% 0.171 34.4)

  9. Step 800

    800

    #8C250B

    oklch(42.7% 0.143 34.4)

  10. Step 900

    900 (this color)

    #681D0B

    oklch(35% 0.111 34.4)

  11. Step 950

    950

    #42170D

    oklch(27% 0.07 34.5)

Export this scale for Tailwind in the Tailwind colors tool

#681D0B 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)#332D080.115
Deuteranopia (no green cones)#463D070.103
Tritanopia (no blue cones)#73041A0.042
Achromatopsia (no color)#3737370.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #681D0B

    #681D0B

    oklch(35% 0.111 34.4)

  • #00424E

    #00424E

    oklch(34.9% 0.062 214.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681D0B

    #681D0B

    oklch(35% 0.111 34.4)

  • #661933

    #661933

    oklch(34.9% 0.111 4.6)

  • #563000

    #563000

    oklch(35% 0.079 64.5)

Open the analogous palette in the generator

Split complementary

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

  • #681D0B

    #681D0B

    oklch(35% 0.111 34.4)

  • #00453E

    #00453E

    oklch(35.1% 0.062 183.5)

  • #003E64

    #003E64

    oklch(35.1% 0.087 244)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681D0B

    #681D0B

    oklch(35% 0.111 34.4)

  • #004725

    #004725

    oklch(34.9% 0.087 154.8)

  • #2B3273

    #2B3273

    oklch(35% 0.111 274.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681D0B

    #681D0B

    oklch(35% 0.111 34.4)

  • #314200

    #314200

    oklch(35.1% 0.088 124.4)

  • #00424E

    #00424E

    oklch(34.9% 0.062 214.7)

  • #482768

    #482768

    oklch(35% 0.111 304.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681D0B, closest first.

Similar named colors

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

Use #681D0B 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.