#641A35

Closest named color: Merlot (#730039). oklch(34.7% 0.108 2.4), rgb(100, 26, 53).

Aa

White text reads best on this color (12.06:1).

About this color

#641A35 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.108 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.039 away. White text reads best on it, at 12.06:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.108)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.74:1
White text12.06:1

Values

HEX#641A35
RGBrgb(100, 26, 53)
HSLhsl(338, 59%, 25%)
OKLCHoklch(34.7% 0.108 2.4)

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 #641A35 12.06:1 AAA Lc -100.4 Preferred for body text
Black text on #641A35 1.74:1 Fails Lc 0.0 Not readable
#641A35 text on white 12.06:1 AAA Lc 96.7 Preferred for body text
#641A35 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

    #FCF3F5

    oklch(97.2% 0.01 2)

  2. Step 100

    100

    #F8E4E8

    oklch(93.6% 0.022 3.8)

  3. Step 200

    200

    #F4CDD6

    oklch(88.4% 0.045 2.5)

  4. Step 300

    300

    #EEABBC

    oklch(80.9% 0.081 2.4)

  5. Step 400

    400

    #E27C9A

    oklch(70.7% 0.13 2.1)

  6. Step 500

    500

    #D75681

    oklch(63.1% 0.166 2.4)

  7. Step 600

    600

    #C2366A

    oklch(55.7% 0.18 2.6)

  8. Step 700

    700

    #A72659

    oklch(49.1% 0.168 2.1)

  9. Step 800

    800

    #882248

    oklch(42.7% 0.14 2.7)

  10. Step 900

    900 (this color)

    #641A35

    oklch(34.7% 0.108 2.4)

  11. Step 950

    950

    #401624

    oklch(27% 0.067 1.8)

Export this scale for Tailwind in the Tailwind colors tool

#641A35 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)#2A2D360.121
Deuteranopia (no green cones)#3E3B330.109
Tritanopia (no blue cones)#6D0F250.031
Achromatopsia (no color)#3636360.109

Harmonies

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

Complementary

The opposite hue (180°).

  • #641A35

    #641A35

    oklch(34.7% 0.108 2.4)

  • #00443C

    #00443C

    oklch(34.7% 0.062 181.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641A35

    #641A35

    oklch(34.7% 0.108 2.4)

  • #591F52

    #591F52

    oklch(34.8% 0.109 332.6)

  • #671D10

    #671D10

    oklch(34.9% 0.108 32.3)

Open the analogous palette in the generator

Split complementary

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

  • #641A35

    #641A35

    oklch(34.7% 0.108 2.4)

  • #004721

    #004721

    oklch(34.9% 0.091 152.3)

  • #00424C

    #00424C

    oklch(34.8% 0.061 211.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641A35

    #641A35

    oklch(34.7% 0.108 2.4)

  • #324000

    #324000

    oklch(34.6% 0.084 122.5)

  • #003E61

    #003E61

    oklch(34.9% 0.083 242)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641A35

    #641A35

    oklch(34.7% 0.108 2.4)

  • #473800

    #473800

    oklch(34.7% 0.071 92)

  • #00443C

    #00443C

    oklch(34.7% 0.062 181.8)

  • #283271

    #283271

    oklch(34.6% 0.109 272.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641A35, closest first.

Similar named colors

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

Use #641A35 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.