#721637

Closest named color: Merlot (#730039). oklch(37% 0.127 4.8), rgb(114, 22, 55).

Aa

White text reads best on this color (11.13:1).

About this color

#721637 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.127 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.023 away. White text reads best on it, at 11.13:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.127)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.88:1
White text11.13:1

Values

HEX#721637
RGBrgb(114, 22, 55)
HSLhsl(338, 68%, 27%)
OKLCHoklch(37% 0.127 4.8)

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 #721637 11.13:1 AAA Lc -98.5 Preferred for body text
Black text on #721637 1.88:1 Fails Lc 9.4 Not readable
#721637 text on white 11.13:1 AAA Lc 94.5 Preferred for body text
#721637 text on black 1.88:1 Fails Lc -8.1 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

    #FEF2F4

    oklch(97.1% 0.013 5.8)

  2. Step 100

    100

    #FBE3E7

    oklch(93.6% 0.027 6.2)

  3. Step 200

    200

    #F9CBD4

    oklch(88.4% 0.053 5.1)

  4. Step 300

    300

    #F6A7B8

    oklch(80.9% 0.095 5.3)

  5. Step 400

    400

    #ED7394

    oklch(70.7% 0.153 4.7)

  6. Step 500

    500

    #E3477A

    oklch(63.1% 0.195 4.8)

  7. Step 600

    600

    #CE1963

    oklch(55.6% 0.212 4.8)

  8. Step 700

    700

    #B20052

    oklch(49.1% 0.197 4.8)

  9. Step 800

    800

    #900D43

    oklch(42.6% 0.163 4.8)

  10. Step 900

    900 (this color)

    #721637

    oklch(37% 0.127 4.8)

  11. Step 950

    950

    #441121

    oklch(26.9% 0.079 5)

Export this scale for Tailwind in the Tailwind colors tool

#721637 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)#2D30380.143
Deuteranopia (no green cones)#4542350.130
Tritanopia (no blue cones)#7D00240.036
Achromatopsia (no color)#3B3B3B0.129

Harmonies

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

Complementary

The opposite hue (180°).

  • #721637

    #721637

    oklch(37% 0.127 4.8)

  • #004B44

    #004B44

    oklch(37.1% 0.066 184.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #721637

    #721637

    oklch(37% 0.127 4.8)

  • #651D5A

    #651D5A

    oklch(36.9% 0.127 334.5)

  • #741B03

    #741B03

    oklch(37% 0.127 34.8)

Open the analogous palette in the generator

Split complementary

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

  • #721637

    #721637

    oklch(37% 0.127 4.8)

  • #004D29

    #004D29

    oklch(36.9% 0.091 155)

  • #004855

    #004855

    oklch(37% 0.065 214.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #721637

    #721637

    oklch(37% 0.127 4.8)

  • #354800

    #354800

    oklch(37.2% 0.093 124.9)

  • #00436D

    #00436D

    oklch(37% 0.093 244.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #721637

    #721637

    oklch(37% 0.127 4.8)

  • #4D3F00

    #4D3F00

    oklch(37.2% 0.076 94.7)

  • #004B44

    #004B44

    oklch(37.1% 0.066 184.2)

  • #2F3581

    #2F3581

    oklch(37.1% 0.126 275)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #721637, closest first.

Similar named colors

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

Use #721637 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.