#211B0F

Closest named color: Dark Brown (#341C02). oklch(22.5% 0.023 84.1), rgb(33, 27, 15).

Aa

White text reads best on this color (17.09:1).

About this color

#211B0F is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.043 away. White text reads best on it, at 17.09:1.

Hue familyNeutrals
Lightnessvery dark (23%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameDark Brown (#341C02)
Black text1.22:1
White text17.09:1

Values

HEX#211B0F
RGBrgb(33, 27, 15)
HSLhsl(40, 38%, 9%)
OKLCHoklch(22.5% 0.023 84.1)

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 #211B0F 17.09:1 AAA Lc -106.3 Preferred for body text
Black text on #211B0F 1.22:1 Fails Lc 0.0 Not readable
#211B0F text on white 17.09:1 AAA Lc 104.0 Preferred for body text
#211B0F text on black 1.22:1 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 950.

  1. Step 50

    50

    #F6F5F3

    oklch(97% 0.003 84.6)

  2. Step 100

    100

    #ECE9E4

    oklch(93.5% 0.007 80.7)

  3. Step 200

    200

    #DED8CE

    oklch(88.4% 0.015 80.7)

  4. Step 300

    300

    #C9C0AD

    oklch(81% 0.028 85.7)

  5. Step 400

    400

    #AE9F82

    oklch(70.8% 0.044 83.8)

  6. Step 500

    500

    #9A8762

    oklch(63.1% 0.057 83.7)

  7. Step 600

    600

    #847149

    oklch(55.7% 0.061 85.1)

  8. Step 700

    700

    #705E3A

    oklch(49.1% 0.057 83.9)

  9. Step 800

    800

    #5B4D30

    oklch(42.7% 0.047 84.7)

  10. Step 900

    900

    #4B402B

    oklch(37.7% 0.036 83.2)

  11. Step 950

    950 (this color)

    #211B0F

    oklch(22.5% 0.023 84.1)

Export this scale for Tailwind in the Tailwind colors tool

#211B0F 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)#1E1B0E0.007
Deuteranopia (no green cones)#1F1C0F0.005
Tritanopia (no blue cones)#2419180.021
Achromatopsia (no color)#1C1C1C0.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #211B0F

    #211B0F

    oklch(22.5% 0.023 84.1)

  • #161C27

    #161C27

    oklch(22.6% 0.023 262.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211B0F

    #211B0F

    oklch(22.5% 0.023 84.1)

  • #251911

    #251911

    oklch(22.6% 0.024 54.8)

  • #1C1D10

    #1C1D10

    oklch(22.5% 0.024 111.9)

Open the analogous palette in the generator

Split complementary

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

  • #211B0F

    #211B0F

    oklch(22.5% 0.023 84.1)

  • #111E25

    #111E25

    oklch(22.6% 0.023 232.6)

  • #1C1A26

    #1C1A26

    oklch(22.6% 0.023 292.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211B0F

    #211B0F

    oklch(22.5% 0.023 84.1)

  • #0E1F21

    #0E1F21

    oklch(22.5% 0.023 205.3)

  • #211822

    #211822

    oklch(22.5% 0.023 323)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211B0F

    #211B0F

    oklch(22.5% 0.023 84.1)

  • #101F1B

    #101F1B

    oklch(22.4% 0.022 175.5)

  • #161C27

    #161C27

    oklch(22.6% 0.023 262.3)

  • #25171D

    #25171D

    oklch(22.5% 0.025 351.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211B0F, closest first.

Similar named colors

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

Use #211B0F 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.