#72101B

Closest named color: Reddy Brown (#6E1005). oklch(35.9% 0.13 21.9), rgb(114, 16, 27).

Aa

White text reads best on this color (11.63:1).

About this color

#72101B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.130 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.023 away. White text reads best on it, at 11.63:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.130)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.80:1
White text11.63:1

Values

HEX#72101B
RGBrgb(114, 16, 27)
HSLhsl(353, 75%, 25%)
OKLCHoklch(35.9% 0.13 21.9)

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 #72101B 11.63:1 AAA Lc -99.1 Preferred for body text
Black text on #72101B 1.80:1 Fails Lc 8.6 Not readable
#72101B text on white 11.63:1 AAA Lc 95.3 Preferred for body text
#72101B text on black 1.80:1 Fails Lc -7.4 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FBCCC9

    oklch(88.5% 0.054 22.5)

  4. Step 300

    300

    #FAA7A4

    oklch(80.9% 0.099 21.8)

  5. Step 400

    400

    #F27474

    oklch(70.7% 0.156 21.8)

  6. Step 500

    500

    #EA464F

    oklch(63.2% 0.2 22.1)

  7. Step 600

    600

    #D51133

    oklch(55.6% 0.218 21.9)

  8. Step 700

    700

    #B60028

    oklch(49% 0.197 21.7)

  9. Step 800

    800

    #950821

    oklch(42.6% 0.167 21.7)

  10. Step 900

    900 (this color)

    #72101B

    oklch(35.9% 0.13 21.9)

  11. Step 950

    950

    #471013

    oklch(27% 0.083 21.8)

Export this scale for Tailwind in the Tailwind colors tool

#72101B 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)#2F2B1A0.144
Deuteranopia (no green cones)#4740180.131
Tritanopia (no blue cones)#7E00150.026
Achromatopsia (no color)#3939390.131

Harmonies

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

Complementary

The opposite hue (180°).

  • #72101B

    #72101B

    oklch(35.9% 0.13 21.9)

  • #00464A

    #00464A

    oklch(35.9% 0.061 201.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #72101B

    #72101B

    oklch(35.9% 0.13 21.9)

  • #6B1244

    #6B1244

    oklch(35.9% 0.131 351.8)

  • #612C00

    #612C00

    oklch(35.9% 0.092 52.4)

Open the analogous palette in the generator

Split complementary

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

  • #72101B

    #72101B

    oklch(35.9% 0.13 21.9)

  • #004838

    #004838

    oklch(35.8% 0.07 171.6)

  • #00435C

    #00435C

    oklch(35.9% 0.073 231.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #72101B

    #72101B

    oklch(35.9% 0.13 21.9)

  • #054B00

    #054B00

    oklch(35.9% 0.12 141.9)

  • #123780

    #123780

    oklch(35.9% 0.131 262)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #72101B

    #72101B

    oklch(35.9% 0.13 21.9)

  • #3E4000

    #3E4000

    oklch(35.8% 0.079 111.8)

  • #00464A

    #00464A

    oklch(35.9% 0.061 201.3)

  • #41297A

    #41297A

    oklch(35.9% 0.131 292.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #72101B, closest first.

Similar named colors

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

Use #72101B 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.