#721E1B

Closest named color: Reddy Brown (#6E1005). oklch(37.2% 0.118 26.7), rgb(114, 30, 27).

Aa

White text reads best on this color (10.95:1).

About this color

#721E1B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.118 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.028 away. White text reads best on it, at 10.95:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.118)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.91:1
White text10.95:1

Values

HEX#721E1B
RGBrgb(114, 30, 27)
HSLhsl(2, 62%, 28%)
OKLCHoklch(37.2% 0.118 26.7)

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 #721E1B 10.95:1 AAA Lc -98.3 Preferred for body text
Black text on #721E1B 1.91:1 Fails Lc 9.6 Not readable
#721E1B text on white 10.95:1 AAA Lc 94.3 Preferred for body text
#721E1B text on black 1.91:1 Fails Lc -8.2 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F8CDC8

    oklch(88.4% 0.049 25.9)

  4. Step 300

    300

    #F5ABA2

    oklch(81% 0.089 26.9)

  5. Step 400

    400

    #EC7A70

    oklch(70.7% 0.142 26.5)

  6. Step 500

    500

    #E2524A

    oklch(63.1% 0.181 26.7)

  7. Step 600

    600

    #CD2D2C

    oklch(55.5% 0.196 26.7)

  8. Step 700

    700

    #B11C1F

    oklch(49.1% 0.183 26.6)

  9. Step 800

    800

    #901C1C

    oklch(42.7% 0.152 26.5)

  10. Step 900

    900 (this color)

    #721E1B

    oklch(37.2% 0.118 26.7)

  11. Step 950

    950

    #441411

    oklch(26.9% 0.075 26.9)

Export this scale for Tailwind in the Tailwind colors tool

#721E1B 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)#36311A0.127
Deuteranopia (no green cones)#4B43180.116
Tritanopia (no blue cones)#7E021E0.036
Achromatopsia (no color)#3C3C3C0.119

Harmonies

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

Complementary

The opposite hue (180°).

  • #721E1B

    #721E1B

    oklch(37.2% 0.118 26.7)

  • #004951

    #004951

    oklch(37.1% 0.064 207.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #721E1B

    #721E1B

    oklch(37.2% 0.118 26.7)

  • #6D1D41

    #6D1D41

    oklch(37.1% 0.118 356.9)

  • #633100

    #633100

    oklch(37.2% 0.091 56.5)

Open the analogous palette in the generator

Split complementary

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

  • #721E1B

    #721E1B

    oklch(37.2% 0.118 26.7)

  • #004C3F

    #004C3F

    oklch(37.2% 0.069 176.2)

  • #004665

    #004665

    oklch(37.3% 0.08 236.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #721E1B

    #721E1B

    oklch(37.2% 0.118 26.7)

  • #004F17

    #004F17

    oklch(37.2% 0.112 146.7)

  • #243A7E

    #243A7E

    oklch(37.2% 0.118 267)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #721E1B

    #721E1B

    oklch(37.2% 0.118 26.7)

  • #3E4500

    #3E4500

    oklch(37.1% 0.085 116.1)

  • #004951

    #004951

    oklch(37.1% 0.064 207.3)

  • #482E76

    #482E76

    oklch(37.2% 0.119 296.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #721E1B, closest first.

Similar named colors

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

Use #721E1B 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.