#681910

Closest named color: Reddy Brown (#6E1005). oklch(34.6% 0.114 30.2), rgb(104, 25, 16).

Aa

White text reads best on this color (12.10:1).

About this color

#681910 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.114 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.016 away. White text reads best on it, at 12.10:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.114)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.73:1
White text12.10:1

Values

HEX#681910
RGBrgb(104, 25, 16)
HSLhsl(6, 73%, 24%)
OKLCHoklch(34.6% 0.114 30.2)

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 #681910 12.10:1 AAA Lc -100.3 Preferred for body text
Black text on #681910 1.73:1 Fails Lc 0.0 Not readable
#681910 text on white 12.10:1 AAA Lc 96.6 Preferred for body text
#681910 text on black 1.73:1 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

    #F7CEC7

    oklch(88.5% 0.048 29.4)

  4. Step 300

    300

    #F3ACA0

    oklch(80.9% 0.086 29.8)

  5. Step 400

    400

    #E97D6C

    oklch(70.7% 0.137 30.2)

  6. Step 500

    500

    #DF5644

    oklch(63.1% 0.175 30.2)

  7. Step 600

    600

    #CA3424

    oklch(55.5% 0.189 30.1)

  8. Step 700

    700

    #AE2416

    oklch(49% 0.176 30.2)

  9. Step 800

    800

    #8E2116

    oklch(42.7% 0.146 30)

  10. Step 900

    900 (this color)

    #681910

    oklch(34.6% 0.114 30.2)

  11. Step 950

    950

    #431610

    oklch(27% 0.071 30)

Export this scale for Tailwind in the Tailwind colors tool

#681910 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)#312B0E0.120
Deuteranopia (no green cones)#443C0C0.109
Tritanopia (no blue cones)#7300180.035
Achromatopsia (no color)#3636360.114

Harmonies

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

Complementary

The opposite hue (180°).

  • #681910

    #681910

    oklch(34.6% 0.114 30.2)

  • #00424B

    #00424B

    oklch(34.7% 0.06 210)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681910

    #681910

    oklch(34.6% 0.114 30.2)

  • #651737

    #651737

    oklch(34.7% 0.114 0.2)

  • #572D00

    #572D00

    oklch(34.5% 0.081 59.8)

Open the analogous palette in the generator

Split complementary

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

  • #681910

    #681910

    oklch(34.6% 0.114 30.2)

  • #00443B

    #00443B

    oklch(34.7% 0.063 180.3)

  • #003E5E

    #003E5E

    oklch(34.7% 0.079 239.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681910

    #681910

    oklch(34.6% 0.114 30.2)

  • #00461D

    #00461D

    oklch(34.5% 0.094 150.5)

  • #243273

    #243273

    oklch(34.6% 0.113 270.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681910

    #681910

    oklch(34.6% 0.114 30.2)

  • #343F00

    #343F00

    oklch(34.5% 0.082 120.1)

  • #00424B

    #00424B

    oklch(34.7% 0.06 210)

  • #44276A

    #44276A

    oklch(34.6% 0.113 300.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681910, closest first.

Similar named colors

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

Use #681910 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.