#5B212F

Closest named color: Burgundy (#610023). oklch(33.9% 0.086 8), rgb(91, 33, 47).

Aa

White text reads best on this color (12.32:1).

About this color

#5B212F is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.086 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.046 away. White text reads best on it, at 12.32:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.086)
Temperaturewarm
Nearest nameBurgundy (#610023)
Black text1.70:1
White text12.32:1

Values

HEX#5B212F
RGBrgb(91, 33, 47)
HSLhsl(346, 47%, 24%)
OKLCHoklch(33.9% 0.086 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 #5B212F 12.32:1 AAA Lc -101.1 Preferred for body text
Black text on #5B212F 1.70:1 Fails Lc 0.0 Not readable
#5B212F text on white 12.32:1 AAA Lc 97.5 Preferred for body text
#5B212F text on black 1.70:1 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

    #FBF3F4

    oklch(97.1% 0.009 8.5)

  2. Step 100

    100

    #F6E5E7

    oklch(93.6% 0.019 9.3)

  3. Step 200

    200

    #EFD0D4

    oklch(88.5% 0.035 9)

  4. Step 300

    300

    #E6B0B9

    oklch(80.9% 0.064 7.5)

  5. Step 400

    400

    #D88594

    oklch(70.8% 0.103 8.3)

  6. Step 500

    500

    #CB647A

    oklch(63.1% 0.132 8.1)

  7. Step 600

    600

    #B64863

    oklch(55.5% 0.144 7.9)

  8. Step 700

    700

    #9C3952

    oklch(49% 0.133 8)

  9. Step 800

    800

    #7F3043

    oklch(42.7% 0.11 8.2)

  10. Step 900

    900 (this color)

    #5B212F

    oklch(33.9% 0.086 8)

  11. Step 950

    950

    #3C1A21

    oklch(26.9% 0.054 8.3)

Export this scale for Tailwind in the Tailwind colors tool

#5B212F 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)#2D2D2F0.095
Deuteranopia (no green cones)#3C392E0.087
Tritanopia (no blue cones)#631A260.022
Achromatopsia (no color)#3535350.087

Harmonies

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

Complementary

The opposite hue (180°).

  • #5B212F

    #5B212F

    oklch(33.9% 0.086 8)

  • #00413D

    #00413D

    oklch(33.8% 0.059 187.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #5B212F

    #5B212F

    oklch(33.9% 0.086 8)

  • #532347

    #532347

    oklch(33.8% 0.087 337.9)

  • #5C2413

    #5C2413

    oklch(33.9% 0.087 37.4)

Open the analogous palette in the generator

Split complementary

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

  • #5B212F

    #5B212F

    oklch(33.9% 0.086 8)

  • #004327

    #004327

    oklch(33.7% 0.079 158.1)

  • #003F4C

    #003F4C

    oklch(33.9% 0.061 217)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #5B212F

    #5B212F

    oklch(33.9% 0.086 8)

  • #2A3F03

    #2A3F03

    oklch(33.7% 0.086 128.1)

  • #063A61

    #063A61

    oklch(33.9% 0.085 247.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #5B212F

    #5B212F

    oklch(33.9% 0.086 8)

  • #413700

    #413700

    oklch(33.7% 0.07 97.8)

  • #00413D

    #00413D

    oklch(33.8% 0.059 187.9)

  • #2E3163

    #2E3163

    oklch(33.8% 0.086 278.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B212F, closest first.

Similar named colors

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

Use #5B212F 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.