#681C10

Closest named color: Reddy Brown (#6E1005). oklch(34.9% 0.111 31.7), rgb(104, 28, 16).

Aa

White text reads best on this color (11.91:1).

About this color

#681C10 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.111 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.018 away. White text reads best on it, at 11.91:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.111)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.76:1
White text11.91:1

Values

HEX#681C10
RGBrgb(104, 28, 16)
HSLhsl(8, 73%, 24%)
OKLCHoklch(34.9% 0.111 31.7)

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 #681C10 11.91:1 AAA Lc -100.0 Preferred for body text
Black text on #681C10 1.76:1 Fails Lc 7.5 Not readable
#681C10 text on white 11.91:1 AAA Lc 96.3 Preferred for body text
#681C10 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

    #FAE4E0

    oklch(93.6% 0.025 29.9)

  3. Step 200

    200

    #F6CFC7

    oklch(88.6% 0.046 31.6)

  4. Step 300

    300

    #F1AD9F

    oklch(80.8% 0.083 31.9)

  5. Step 400

    400

    #E77F6B

    oklch(70.7% 0.132 32)

  6. Step 500

    500

    #DD5943

    oklch(63.1% 0.17 31.7)

  7. Step 600

    600

    #C83822

    oklch(55.5% 0.184 31.6)

  8. Step 700

    700

    #AD2914

    oklch(49.2% 0.172 31.8)

  9. Step 800

    800

    #8C2414

    oklch(42.6% 0.142 31.7)

  10. Step 900

    900 (this color)

    #681C10

    oklch(34.9% 0.111 31.7)

  11. Step 950

    950

    #42170F

    oklch(27% 0.069 32.4)

Export this scale for Tailwind in the Tailwind colors tool

#681C10 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)#322C0E0.116
Deuteranopia (no green cones)#453D0D0.106
Tritanopia (no blue cones)#73021A0.039
Achromatopsia (no color)#3737370.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #681C10

    #681C10

    oklch(34.9% 0.111 31.7)

  • #00424D

    #00424D

    oklch(34.8% 0.061 213.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681C10

    #681C10

    oklch(34.9% 0.111 31.7)

  • #651936

    #651936

    oklch(34.9% 0.111 1.6)

  • #572F00

    #572F00

    oklch(34.9% 0.08 62.3)

Open the analogous palette in the generator

Split complementary

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

  • #681C10

    #681C10

    oklch(34.9% 0.111 31.7)

  • #00453D

    #00453D

    oklch(35% 0.063 182)

  • #003E61

    #003E61

    oklch(34.9% 0.083 242)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681C10

    #681C10

    oklch(34.9% 0.111 31.7)

  • #004720

    #004720

    oklch(34.8% 0.092 151.8)

  • #273373

    #273373

    oklch(35% 0.111 271.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681C10

    #681C10

    oklch(34.9% 0.111 31.7)

  • #334100

    #334100

    oklch(35% 0.085 122.3)

  • #00424D

    #00424D

    oklch(34.8% 0.061 213.2)

  • #452869

    #452869

    oklch(34.8% 0.11 301.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681C10, closest first.

Similar named colors

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

Use #681C10 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.