#681E19

Closest named color: Reddy Brown (#6E1005). oklch(35.3% 0.107 27.7), rgb(104, 30, 25).

Aa

White text reads best on this color (11.74:1).

About this color

#681E19 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.107 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.023 away. White text reads best on it, at 11.74:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.78:1
White text11.74:1

Values

HEX#681E19
RGBrgb(104, 30, 25)
HSLhsl(4, 61%, 25%)
OKLCHoklch(35.3% 0.107 27.7)

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 #681E19 11.74:1 AAA Lc -99.8 Preferred for body text
Black text on #681E19 1.78:1 Fails Lc 7.8 Not readable
#681E19 text on white 11.74:1 AAA Lc 96.1 Preferred for body text
#681E19 text on black 1.78:1 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

    #F9E4E1

    oklch(93.5% 0.023 27.3)

  3. Step 200

    200

    #F5CFC9

    oklch(88.5% 0.044 28.5)

  4. Step 300

    300

    #F0ADA4

    oklch(80.8% 0.08 27.6)

  5. Step 400

    400

    #E57F73

    oklch(70.6% 0.128 27.8)

  6. Step 500

    500

    #DB5A4F

    oklch(63.1% 0.164 27.6)

  7. Step 600

    600

    #C63A32

    oklch(55.5% 0.178 27.8)

  8. Step 700

    700

    #AB2B25

    oklch(49.2% 0.166 27.8)

  9. Step 800

    800

    #8B2620

    oklch(42.8% 0.137 27.9)

  10. Step 900

    900 (this color)

    #681E19

    oklch(35.3% 0.107 27.7)

  11. Step 950

    950

    #421713

    oklch(27.1% 0.068 27.8)

Export this scale for Tailwind in the Tailwind colors tool

#681E19 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)#332E180.113
Deuteranopia (no green cones)#453E170.104
Tritanopia (no blue cones)#73091D0.034
Achromatopsia (no color)#3838380.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #681E19

    #681E19

    oklch(35.3% 0.107 27.7)

  • #00444C

    #00444C

    oklch(35.4% 0.061 208)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681E19

    #681E19

    oklch(35.3% 0.107 27.7)

  • #641D3B

    #641D3B

    oklch(35.3% 0.106 358)

  • #5B2E00

    #5B2E00

    oklch(35.3% 0.084 58.2)

Open the analogous palette in the generator

Split complementary

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

  • #681E19

    #681E19

    oklch(35.3% 0.107 27.7)

  • #00463B

    #00463B

    oklch(35.3% 0.065 177.8)

  • #00405F

    #00405F

    oklch(35.3% 0.078 238.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681E19

    #681E19

    oklch(35.3% 0.107 27.7)

  • #004918

    #004918

    oklch(35.3% 0.103 147.8)

  • #233672

    #233672

    oklch(35.3% 0.106 267.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681E19

    #681E19

    oklch(35.3% 0.107 27.7)

  • #384000

    #384000

    oklch(35.2% 0.081 117.4)

  • #00444C

    #00444C

    oklch(35.4% 0.061 208)

  • #432B6B

    #432B6B

    oklch(35.3% 0.108 298)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681E19, closest first.

Similar named colors

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

Use #681E19 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.