#641D23

Closest named color: Claret (#680018). oklch(34.6% 0.102 19.5), rgb(100, 29, 35).

Aa

White text reads best on this color (12.05:1).

About this color

#641D23 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.102 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.035 away. White text reads best on it, at 12.05:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.102)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.74:1
White text12.05:1

Values

HEX#641D23
RGBrgb(100, 29, 35)
HSLhsl(355, 55%, 25%)
OKLCHoklch(34.6% 0.102 19.5)

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 #641D23 12.05:1 AAA Lc -100.4 Preferred for body text
Black text on #641D23 1.74:1 Fails Lc 0.0 Not readable
#641D23 text on white 12.05:1 AAA Lc 96.8 Preferred for body text
#641D23 text on black 1.74:1 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F8E4E4

    oklch(93.5% 0.022 17.6)

  3. Step 200

    200

    #F4CFCE

    oklch(88.6% 0.042 19.8)

  4. Step 300

    300

    #EEADAD

    oklch(80.8% 0.077 18.9)

  5. Step 400

    400

    #E38081

    oklch(70.8% 0.122 20)

  6. Step 500

    500

    #D75B62

    oklch(63% 0.156 19.3)

  7. Step 600

    600

    #C33C49

    oklch(55.6% 0.171 19.4)

  8. Step 700

    700

    #A82D3A

    oklch(49.2% 0.159 19.6)

  9. Step 800

    800

    #882730

    oklch(42.6% 0.131 19.6)

  10. Step 900

    900 (this color)

    #641D23

    oklch(34.6% 0.102 19.5)

  11. Step 950

    950

    #411719

    oklch(27% 0.066 19.7)

Export this scale for Tailwind in the Tailwind colors tool

#641D23 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)#2F2D230.112
Deuteranopia (no green cones)#413C210.103
Tritanopia (no blue cones)#6E0D200.027
Achromatopsia (no color)#3636360.103

Harmonies

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

Complementary

The opposite hue (180°).

  • #641D23

    #641D23

    oklch(34.6% 0.102 19.5)

  • #004245

    #004245

    oklch(34.5% 0.059 199.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641D23

    #641D23

    oklch(34.6% 0.102 19.5)

  • #5E1E41

    #5E1E41

    oklch(34.6% 0.102 349.9)

  • #5E2700

    #5E2700

    oklch(34.6% 0.093 49)

Open the analogous palette in the generator

Split complementary

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

  • #641D23

    #641D23

    oklch(34.6% 0.102 19.5)

  • #004534

    #004534

    oklch(34.7% 0.069 169.7)

  • #004056

    #004056

    oklch(34.7% 0.068 229)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641D23

    #641D23

    oklch(34.6% 0.102 19.5)

  • #174508

    #174508

    oklch(34.5% 0.102 139.5)

  • #16376D

    #16376D

    oklch(34.5% 0.102 259.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641D23

    #641D23

    oklch(34.6% 0.102 19.5)

  • #3D3C00

    #3D3C00

    oklch(34.6% 0.075 108.7)

  • #004245

    #004245

    oklch(34.5% 0.059 199.9)

  • #3A2D6A

    #3A2D6A

    oklch(34.6% 0.102 289.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641D23, closest first.

Similar named colors

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

Use #641D23 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.