#641713

Closest named color: Reddy Brown (#6E1005). oklch(33.6% 0.11 27.8), rgb(100, 23, 19).

Aa

White text reads best on this color (12.54:1).

About this color

#641713 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.110 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 12.54:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.110)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.67:1
White text12.54:1

Values

HEX#641713
RGBrgb(100, 23, 19)
HSLhsl(3, 68%, 23%)
OKLCHoklch(33.6% 0.11 27.8)

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 #641713 12.54:1 AAA Lc -101.0 Preferred for body text
Black text on #641713 1.67:1 Fails Lc 0.0 Not readable
#641713 text on white 12.54:1 AAA Lc 97.4 Preferred for body text
#641713 text on black 1.67:1 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

    #FAE4E1

    oklch(93.6% 0.025 26.9)

  3. Step 200

    200

    #F6CEC9

    oklch(88.4% 0.046 26.4)

  4. Step 300

    300

    #F2ADA3

    oklch(81% 0.083 28.3)

  5. Step 400

    400

    #E77E72

    oklch(70.7% 0.132 27.7)

  6. Step 500

    500

    #DD584C

    oklch(63.1% 0.169 28)

  7. Step 600

    600

    #C8372F

    oklch(55.6% 0.183 27.9)

  8. Step 700

    700

    #AD2722

    oklch(49.1% 0.171 27.8)

  9. Step 800

    800

    #8C231E

    oklch(42.6% 0.141 27.7)

  10. Step 900

    900 (this color)

    #641713

    oklch(33.6% 0.11 27.8)

  11. Step 950

    950

    #421612

    oklch(26.9% 0.069 27.8)

Export this scale for Tailwind in the Tailwind colors tool

#641713 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)#2E29120.118
Deuteranopia (no green cones)#413A100.109
Tritanopia (no blue cones)#6F00170.032
Achromatopsia (no color)#3333330.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #641713

    #641713

    oklch(33.6% 0.11 27.8)

  • #003F46

    #003F46

    oklch(33.6% 0.058 207.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641713

    #641713

    oklch(33.6% 0.11 27.8)

  • #601637

    #601637

    oklch(33.6% 0.11 357.7)

  • #552A00

    #552A00

    oklch(33.6% 0.081 57.4)

Open the analogous palette in the generator

Split complementary

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

  • #641713

    #641713

    oklch(33.6% 0.11 27.8)

  • #004137

    #004137

    oklch(33.6% 0.062 178.3)

  • #003B58

    #003B58

    oklch(33.5% 0.074 238.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641713

    #641713

    oklch(33.6% 0.11 27.8)

  • #004416

    #004416

    oklch(33.7% 0.098 147.9)

  • #1E316F

    #1E316F

    oklch(33.6% 0.11 267.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641713

    #641713

    oklch(33.6% 0.11 27.8)

  • #343C00

    #343C00

    oklch(33.7% 0.078 117.8)

  • #003F46

    #003F46

    oklch(33.6% 0.058 207.2)

  • #3F2667

    #3F2667

    oklch(33.6% 0.11 298)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641713, closest first.

Similar named colors

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

Use #641713 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.