#641C12

Closest named color: Reddy Brown (#6E1005). oklch(34.2% 0.106 30.9), rgb(100, 28, 18).

Aa

White text reads best on this color (12.23:1).

About this color

#641C12 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.106 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.024 away. White text reads best on it, at 12.23:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.106)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.71:1
White text12.23:1

Values

HEX#641C12
RGBrgb(100, 28, 18)
HSLhsl(7, 69%, 23%)
OKLCHoklch(34.2% 0.106 30.9)

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 #641C12 12.23:1 AAA Lc -100.6 Preferred for body text
Black text on #641C12 1.71:1 Fails Lc 0.0 Not readable
#641C12 text on white 12.23:1 AAA Lc 97.0 Preferred for body text
#641C12 text on black 1.71:1 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

    #FCF3F1

    oklch(97.1% 0.01 32.5)

  2. Step 100

    100

    #F9E5E1

    oklch(93.7% 0.023 31.1)

  3. Step 200

    200

    #F5CFC8

    oklch(88.5% 0.044 30.2)

  4. Step 300

    300

    #EFAEA2

    oklch(80.9% 0.079 30.6)

  5. Step 400

    400

    #E4816F

    oklch(70.7% 0.126 31.3)

  6. Step 500

    500

    #DA5C49

    oklch(63.1% 0.162 30.8)

  7. Step 600

    600

    #C53D2A

    oklch(55.6% 0.176 31)

  8. Step 700

    700

    #AA2D1D

    oklch(49.1% 0.164 30.8)

  9. Step 800

    800

    #8A281A

    oklch(42.8% 0.135 31.2)

  10. Step 900

    900 (this color)

    #641C12

    oklch(34.2% 0.106 30.9)

  11. Step 950

    950

    #411711

    oklch(26.9% 0.067 30.3)

Export this scale for Tailwind in the Tailwind colors tool

#641C12 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)#312B100.110
Deuteranopia (no green cones)#433B0F0.101
Tritanopia (no blue cones)#6F061A0.037
Achromatopsia (no color)#3535350.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #641C12

    #641C12

    oklch(34.2% 0.106 30.9)

  • #00404A

    #00404A

    oklch(34.1% 0.059 212)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641C12

    #641C12

    oklch(34.2% 0.106 30.9)

  • #611A35

    #611A35

    oklch(34.2% 0.105 1.1)

  • #552D00

    #552D00

    oklch(34.2% 0.079 61.3)

Open the analogous palette in the generator

Split complementary

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

  • #641C12

    #641C12

    oklch(34.2% 0.106 30.9)

  • #00433A

    #00433A

    oklch(34.3% 0.062 180.2)

  • #003C5D

    #003C5D

    oklch(34.1% 0.08 241.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641C12

    #641C12

    oklch(34.2% 0.106 30.9)

  • #00451D

    #00451D

    oklch(34.2% 0.092 150.8)

  • #25326E

    #25326E

    oklch(34.2% 0.105 270.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641C12

    #641C12

    oklch(34.2% 0.106 30.9)

  • #323E00

    #323E00

    oklch(34.1% 0.082 121.1)

  • #00404A

    #00404A

    oklch(34.1% 0.059 212)

  • #422865

    #422865

    oklch(34.2% 0.104 300.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641C12, closest first.

Similar named colors

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

Use #641C12 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.