#641C2C

Closest named color: Claret (#680018). oklch(34.7% 0.103 11.2), rgb(100, 28, 44).

Aa

White text reads best on this color (12.03:1).

About this color

#641C2C is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.103 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.037 away. White text reads best on it, at 12.03:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.103)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.74:1
White text12.03:1

Values

HEX#641C2C
RGBrgb(100, 28, 44)
HSLhsl(347, 56%, 25%)
OKLCHoklch(34.7% 0.103 11.2)

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 #641C2C 12.03:1 AAA Lc -100.4 Preferred for body text
Black text on #641C2C 1.74:1 Fails Lc 0.0 Not readable
#641C2C text on white 12.03:1 AAA Lc 96.7 Preferred for body text
#641C2C 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F8E4E6

    oklch(93.5% 0.022 10.6)

  3. Step 200

    200

    #F4CED2

    oklch(88.5% 0.043 10.8)

  4. Step 300

    300

    #EEACB4

    oklch(80.9% 0.078 10.9)

  5. Step 400

    400

    #E27E8D

    oklch(70.7% 0.124 11.2)

  6. Step 500

    500

    #D75971

    oklch(63.1% 0.159 11.2)

  7. Step 600

    600

    #C23A5A

    oklch(55.6% 0.172 11)

  8. Step 700

    700

    #A72B49

    oklch(49.1% 0.16 11.4)

  9. Step 800

    800

    #88263C

    oklch(42.8% 0.133 11.6)

  10. Step 900

    900 (this color)

    #641C2C

    oklch(34.7% 0.103 11.2)

  11. Step 950

    950

    #40171E

    oklch(27% 0.064 11.9)

Export this scale for Tailwind in the Tailwind colors tool

#641C2C 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)#2D2D2C0.115
Deuteranopia (no green cones)#403C2A0.106
Tritanopia (no blue cones)#6E0E220.027
Achromatopsia (no color)#3636360.104

Harmonies

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

Complementary

The opposite hue (180°).

  • #641C2C

    #641C2C

    oklch(34.7% 0.103 11.2)

  • #004341

    #004341

    oklch(34.6% 0.059 191.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641C2C

    #641C2C

    oklch(34.7% 0.103 11.2)

  • #5B1F49

    #5B1F49

    oklch(34.6% 0.103 341.2)

  • #642103

    #642103

    oklch(34.7% 0.104 40.7)

Open the analogous palette in the generator

Split complementary

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

  • #641C2C

    #641C2C

    oklch(34.7% 0.103 11.2)

  • #00462C

    #00462C

    oklch(34.8% 0.078 160.6)

  • #004151

    #004151

    oklch(34.7% 0.064 220.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641C2C

    #641C2C

    oklch(34.7% 0.103 11.2)

  • #274300

    #274300

    oklch(34.7% 0.095 131.2)

  • #003A6C

    #003A6C

    oklch(34.6% 0.102 251.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641C2C

    #641C2C

    oklch(34.7% 0.103 11.2)

  • #423A00

    #423A00

    oklch(34.6% 0.072 100.7)

  • #004341

    #004341

    oklch(34.6% 0.059 191.4)

  • #32306D

    #32306D

    oklch(34.7% 0.103 281.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641C2C, closest first.

Similar named colors

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

Use #641C2C 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.