#211B2E

Closest named color: Dark (#1B2431). oklch(23.9% 0.037 298.1), rgb(33, 27, 46).

Aa

White text reads best on this color (16.65:1).

About this color

#211B2E is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.037 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.031 away. White text reads best on it, at 16.65:1.

Hue familyPurples
Lightnessvery dark (24%)
Chromamuted (0.037)
Temperaturein between
Nearest nameDark (#1B2431)
Black text1.26:1
White text16.65:1

Values

HEX#211B2E
RGBrgb(33, 27, 46)
HSLhsl(259, 26%, 14%)
OKLCHoklch(23.9% 0.037 298.1)

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 #211B2E 16.65:1 AAA Lc -106.0 Preferred for body text
Black text on #211B2E 1.26:1 Fails Lc 0.0 Not readable
#211B2E text on white 16.65:1 AAA Lc 103.6 Preferred for body text
#211B2E text on black 1.26:1 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

    #F6F5F9

    oklch(97.2% 0.005 297.7)

  2. Step 100

    100

    #EBE8F1

    oklch(93.6% 0.012 301.3)

  3. Step 200

    200

    #DBD6E7

    oklch(88.5% 0.024 299.3)

  4. Step 300

    300

    #C4BBDA

    oklch(80.9% 0.044 298.7)

  5. Step 400

    400

    #A698C7

    oklch(70.8% 0.069 298.3)

  6. Step 500

    500

    #907EB8

    oklch(63.2% 0.088 298.1)

  7. Step 600

    600

    #7A66A4

    oklch(55.5% 0.096 298)

  8. Step 700

    700

    #67558D

    oklch(49.1% 0.09 297.8)

  9. Step 800

    800

    #544672

    oklch(42.8% 0.073 297.9)

  10. Step 900

    900

    #453B5C

    oklch(37.7% 0.057 297.6)

  11. Step 950

    950 (this color)

    #211B2E

    oklch(23.9% 0.037 298.1)

Export this scale for Tailwind in the Tailwind colors tool

#211B2E 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)#161E2F0.021
Deuteranopia (no green cones)#171E2D0.020
Tritanopia (no blue cones)#1F1E220.029
Achromatopsia (no color)#1E1E1E0.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #211B2E

    #211B2E

    oklch(23.9% 0.037 298.1)

  • #1D210C

    #1D210C

    oklch(23.7% 0.037 118.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211B2E

    #211B2E

    oklch(23.9% 0.037 298.1)

  • #171E30

    #171E30

    oklch(23.8% 0.036 267.4)

  • #281928

    #281928

    oklch(23.9% 0.036 326.6)

Open the analogous palette in the generator

Split complementary

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

  • #211B2E

    #211B2E

    oklch(23.9% 0.037 298.1)

  • #261E09

    #261E09

    oklch(23.9% 0.036 88.6)

  • #122415

    #122415

    oklch(23.9% 0.037 148.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211B2E

    #211B2E

    oklch(23.9% 0.037 298.1)

  • #2C1A0D

    #2C1A0D

    oklch(23.8% 0.036 55.8)

  • #07251F

    #07251F

    oklch(24% 0.037 177.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211B2E

    #211B2E

    oklch(23.9% 0.037 298.1)

  • #2E1815

    #2E1815

    oklch(23.8% 0.036 28.4)

  • #1D210C

    #1D210C

    oklch(23.7% 0.037 118.2)

  • #052428

    #052428

    oklch(24% 0.036 207.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211B2E, closest first.

Similar named colors

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

Use #211B2E 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.