#211925

Closest named color: Rich Black (#0D1B2A). oklch(22.9% 0.026 314.3), rgb(33, 25, 37).

Aa

White text reads best on this color (17.06:1).

About this color

#211925 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 17.06:1.

Hue familyNeutrals
Lightnessvery dark (23%)
Chromaclose to neutral grey (0.026)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.23:1
White text17.06:1

Values

HEX#211925
RGBrgb(33, 25, 37)
HSLhsl(280, 19%, 12%)
OKLCHoklch(22.9% 0.026 314.3)

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 #211925 17.06:1 AAA Lc -106.3 Preferred for body text
Black text on #211925 1.23:1 Fails Lc 0.0 Not readable
#211925 text on white 17.06:1 AAA Lc 104.0 Preferred for body text
#211925 text on black 1.23:1 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

    #F6F5F7

    oklch(97.1% 0.003 308.4)

  2. Step 100

    100

    #ECE8EE

    oklch(93.6% 0.009 314.8)

  3. Step 200

    200

    #DDD6E1

    oklch(88.5% 0.017 313.6)

  4. Step 300

    300

    #C8BBCF

    oklch(80.9% 0.031 314)

  5. Step 400

    400

    #AC98B6

    oklch(70.7% 0.048 314.5)

  6. Step 500

    500

    #977FA4

    oklch(63.2% 0.061 313.6)

  7. Step 600

    600

    #82688F

    oklch(55.7% 0.066 314.2)

  8. Step 700

    700

    #6E567A

    oklch(49.1% 0.063 314.2)

  9. Step 800

    800

    #594663

    oklch(42.5% 0.053 313.7)

  10. Step 900

    900

    #4A3B51

    oklch(37.7% 0.042 314.9)

  11. Step 950

    950 (this color)

    #211925

    oklch(22.9% 0.026 314.3)

Export this scale for Tailwind in the Tailwind colors tool

#211925 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)#171B250.020
Deuteranopia (no green cones)#191C250.018
Tritanopia (no blue cones)#211A1D0.017
Achromatopsia (no color)#1C1C1C0.026

Harmonies

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

Complementary

The opposite hue (180°).

  • #211925

    #211925

    oklch(22.9% 0.026 314.3)

  • #181F13

    #181F13

    oklch(22.8% 0.025 132.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211925

    #211925

    oklch(22.9% 0.026 314.3)

  • #1B1B28

    #1B1B28

    oklch(22.8% 0.025 284.2)

  • #25181F

    #25181F

    oklch(22.9% 0.024 345.7)

Open the analogous palette in the generator

Split complementary

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

  • #211925

    #211925

    oklch(22.9% 0.026 314.3)

  • #1E1D0F

    #1E1D0F

    oklch(22.7% 0.025 104.7)

  • #112019

    #112019

    oklch(22.7% 0.025 163.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211925

    #211925

    oklch(22.9% 0.026 314.3)

  • #241B0F

    #241B0F

    oklch(22.9% 0.026 74)

  • #0D2020

    #0D2020

    oklch(22.7% 0.025 195.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211925

    #211925

    oklch(22.9% 0.026 314.3)

  • #271913

    #271913

    oklch(23% 0.025 44.1)

  • #181F13

    #181F13

    oklch(22.8% 0.025 132.7)

  • #0E1F26

    #0E1F26

    oklch(22.8% 0.026 226.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211925, closest first.

Similar named colors

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

Use #211925 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.