#681831

Closest named color: Merlot (#730039). oklch(35.1% 0.114 6.6), rgb(104, 24, 49).

Aa

White text reads best on this color (11.90:1).

About this color

#681831 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.114 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.036 away. White text reads best on it, at 11.90:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.114)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.76:1
White text11.90:1

Values

HEX#681831
RGBrgb(104, 24, 49)
HSLhsl(341, 63%, 25%)
OKLCHoklch(35.1% 0.114 6.6)

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 #681831 11.90:1 AAA Lc -100.0 Preferred for body text
Black text on #681831 1.76:1 Fails Lc 7.6 Not readable
#681831 text on white 11.90:1 AAA Lc 96.3 Preferred for body text
#681831 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

    #FDF2F4

    oklch(97% 0.012 4.7)

  2. Step 100

    100

    #FAE3E7

    oklch(93.6% 0.026 5.7)

  3. Step 200

    200

    #F6CDD4

    oklch(88.5% 0.047 6.5)

  4. Step 300

    300

    #F1AAB7

    oklch(80.9% 0.085 7.1)

  5. Step 400

    400

    #E67A92

    oklch(70.7% 0.135 7)

  6. Step 500

    500

    #DC5278

    oklch(63.2% 0.174 6.7)

  7. Step 600

    600

    #C72F61

    oklch(55.6% 0.189 6.6)

  8. Step 700

    700

    #AB1F50

    oklch(49% 0.176 6.6)

  9. Step 800

    800

    #8B1D42

    oklch(42.6% 0.146 6.3)

  10. Step 900

    900 (this color)

    #681831

    oklch(35.1% 0.114 6.6)

  11. Step 950

    950

    #421421

    oklch(27% 0.072 5.9)

Export this scale for Tailwind in the Tailwind colors tool

#681831 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)#2B2D320.128
Deuteranopia (no green cones)#403D2F0.117
Tritanopia (no blue cones)#7207220.030
Achromatopsia (no color)#3737370.115

Harmonies

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

Complementary

The opposite hue (180°).

  • #681831

    #681831

    oklch(35.1% 0.114 6.6)

  • #004540

    #004540

    oklch(35.1% 0.061 186.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681831

    #681831

    oklch(35.1% 0.114 6.6)

  • #5D1D50

    #5D1D50

    oklch(35.1% 0.113 336.7)

  • #691D04

    #691D04

    oklch(35.1% 0.113 36.9)

Open the analogous palette in the generator

Split complementary

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

  • #681831

    #681831

    oklch(35.1% 0.114 6.6)

  • #004728

    #004728

    oklch(35% 0.084 156.8)

  • #004350

    #004350

    oklch(35.3% 0.063 216)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681831

    #681831

    oklch(35.1% 0.114 6.6)

  • #2E4300

    #2E4300

    oklch(35.2% 0.091 127)

  • #003D67

    #003D67

    oklch(35% 0.092 246.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681831

    #681831

    oklch(35.1% 0.114 6.6)

  • #463A00

    #463A00

    oklch(35.1% 0.072 96)

  • #004540

    #004540

    oklch(35.1% 0.061 186.6)

  • #2E3175

    #2E3175

    oklch(35.2% 0.114 276.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681831, closest first.

Similar named colors

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

Use #681831 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.