#5A211B

Closest named color: Reddy Brown (#6E1005). oklch(33.2% 0.086 28.5), rgb(90, 33, 27).

Aa

White text reads best on this color (12.58:1).

About this color

#5A211B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.086 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.047 away. White text reads best on it, at 12.58:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.086)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.66:1
White text12.58:1

Values

HEX#5A211B
RGBrgb(90, 33, 27)
HSLhsl(6, 54%, 23%)
OKLCHoklch(33.2% 0.086 28.5)

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 #5A211B 12.58:1 AAA Lc -101.5 Preferred for body text
Black text on #5A211B 1.66:1 Fails Lc 0.0 Not readable
#5A211B text on white 12.58:1 AAA Lc 98.0 Preferred for body text
#5A211B text on black 1.66:1 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

    #FBF3F2

    oklch(97% 0.009 26)

  2. Step 100

    100

    #F6E6E3

    oklch(93.7% 0.018 30.3)

  3. Step 200

    200

    #F0D1CC

    oklch(88.5% 0.036 28.7)

  4. Step 300

    300

    #E7B2A9

    oklch(80.9% 0.064 29.5)

  5. Step 400

    400

    #D9877C

    oklch(70.6% 0.103 28.2)

  6. Step 500

    500

    #CD675B

    oklch(63.1% 0.132 28.3)

  7. Step 600

    600

    #B84C40

    oklch(55.6% 0.143 28.8)

  8. Step 700

    700

    #9E3C32

    oklch(49.1% 0.133 28.6)

  9. Step 800

    800

    #80332A

    oklch(42.7% 0.109 29.1)

  10. Step 900

    900 (this color)

    #5A211B

    oklch(33.2% 0.086 28.5)

  11. Step 950

    950

    #3D1B17

    oklch(27% 0.054 28.1)

Export this scale for Tailwind in the Tailwind colors tool

#5A211B 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)#302C1A0.089
Deuteranopia (no green cones)#3E381A0.082
Tritanopia (no blue cones)#6315200.030
Achromatopsia (no color)#3333330.086

Harmonies

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

Complementary

The opposite hue (180°).

  • #5A211B

    #5A211B

    oklch(33.2% 0.086 28.5)

  • #003E45

    #003E45

    oklch(33.3% 0.057 207.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #5A211B

    #5A211B

    oklch(33.2% 0.086 28.5)

  • #572035

    #572035

    oklch(33.2% 0.085 358.9)

  • #532A00

    #532A00

    oklch(33.3% 0.079 58.9)

Open the analogous palette in the generator

Split complementary

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

  • #5A211B

    #5A211B

    oklch(33.2% 0.086 28.5)

  • #004036

    #004036

    oklch(33.2% 0.061 178.1)

  • #003A57

    #003A57

    oklch(33.1% 0.074 238.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #5A211B

    #5A211B

    oklch(33.2% 0.086 28.5)

  • #0B411B

    #0B411B

    oklch(33.1% 0.085 148.7)

  • #243261

    #243261

    oklch(33.1% 0.085 268.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #5A211B

    #5A211B

    oklch(33.2% 0.086 28.5)

  • #323B00

    #323B00

    oklch(33.2% 0.078 118.8)

  • #003E45

    #003E45

    oklch(33.3% 0.057 207.3)

  • #3C2A5B

    #3C2A5B

    oklch(33.1% 0.085 298.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5A211B, closest first.

Similar named colors

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

Use #5A211B 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.