#64073E

Closest named color: Merlot (#730039). oklch(33.5% 0.132 351.7), rgb(100, 7, 62).

Aa

White text reads best on this color (12.79:1).

About this color

#64073E is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.132 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.035 away. White text reads best on it, at 12.79:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.132)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.64:1
White text12.79:1

Values

HEX#64073E
RGBrgb(100, 7, 62)
HSLhsl(325, 87%, 21%)
OKLCHoklch(33.5% 0.132 351.7)

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 #64073E 12.79:1 AAA Lc -100.9 Preferred for body text
Black text on #64073E 1.64:1 Fails Lc 0.0 Not readable
#64073E text on white 12.79:1 AAA Lc 97.4 Preferred for body text
#64073E text on black 1.64:1 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #FAE2EC

    oklch(93.5% 0.029 350.5)

  3. Step 200

    200

    #F7CBDD

    oklch(88.5% 0.055 351.8)

  4. Step 300

    300

    #F3A6C8

    oklch(80.9% 0.1 351.5)

  5. Step 400

    400

    #E873AB

    oklch(70.7% 0.157 351.9)

  6. Step 500

    500

    #DE4697

    oklch(63.2% 0.202 351.7)

  7. Step 600

    600

    #C91781

    oklch(55.6% 0.22 351.8)

  8. Step 700

    700

    #AD006D

    oklch(49.1% 0.204 351.8)

  9. Step 800

    800

    #8D0C59

    oklch(42.8% 0.17 351.8)

  10. Step 900

    900 (this color)

    #64073E

    oklch(33.5% 0.132 351.7)

  11. Step 950

    950

    #43102B

    oklch(27% 0.084 351.6)

Export this scale for Tailwind in the Tailwind colors tool

#64073E 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)#1C283F0.150
Deuteranopia (no green cones)#37383C0.131
Tritanopia (no blue cones)#6C00230.049
Achromatopsia (no color)#3232320.133

Harmonies

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

Complementary

The opposite hue (180°).

  • #64073E

    #64073E

    oklch(33.5% 0.132 351.7)

  • #004133

    #004133

    oklch(33.4% 0.064 172.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64073E

    #64073E

    oklch(33.5% 0.132 351.7)

  • #54155E

    #54155E

    oklch(33.6% 0.132 321.8)

  • #6B0315

    #6B0315

    oklch(33.5% 0.132 21.5)

Open the analogous palette in the generator

Split complementary

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

  • #64073E

    #64073E

    oklch(33.5% 0.132 351.7)

  • #054400

    #054400

    oklch(33.6% 0.112 141.7)

  • #003F43

    #003F43

    oklch(33.5% 0.057 201.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64073E

    #64073E

    oklch(33.5% 0.132 351.7)

  • #383A00

    #383A00

    oklch(33.5% 0.074 111.9)

  • #003C54

    #003C54

    oklch(33.5% 0.069 232.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64073E

    #64073E

    oklch(33.5% 0.132 351.7)

  • #483200

    #483200

    oklch(33.4% 0.069 81.7)

  • #004133

    #004133

    oklch(33.4% 0.064 172.6)

  • #0A3079

    #0A3079

    oklch(33.5% 0.132 261.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64073E, closest first.

Similar named colors

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

Use #64073E 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.