#212D2C

Closest named color: Jet (#212529). oklch(28.6% 0.016 190), rgb(33, 45, 44).

Aa

White text reads best on this color (14.22:1).

About this color

#212D2C is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.027 away. White text reads best on it, at 14.22:1.

Hue familyNeutrals
Lightnessdark (29%)
Chromaclose to neutral grey (0.016)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.47:1
White text14.22:1

Values

HEX#212D2C
RGBrgb(33, 45, 44)
HSLhsl(175, 15%, 15%)
OKLCHoklch(28.6% 0.016 190)

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 #212D2C 14.22:1 AAA Lc -103.9 Preferred for body text
Black text on #212D2C 1.47:1 Fails Lc 0.0 Not readable
#212D2C text on white 14.22:1 AAA Lc 100.9 Preferred for body text
#212D2C text on black 1.47:1 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

    #F3F6F6

    oklch(97.1% 0.003 197.1)

  2. Step 100

    100

    #E6EBEA

    oklch(93.6% 0.006 183)

  3. Step 200

    200

    #D2DBDB

    oklch(88.5% 0.01 197)

  4. Step 300

    300

    #B3C5C3

    oklch(80.9% 0.02 188.7)

  5. Step 400

    400

    #8BA7A5

    oklch(70.7% 0.031 191.2)

  6. Step 500

    500

    #6E928F

    oklch(63.2% 0.04 189.8)

  7. Step 600

    600

    #557C79

    oklch(55.6% 0.044 189.9)

  8. Step 700

    700

    #456866

    oklch(49% 0.04 191.4)

  9. Step 800

    800

    #395553

    oklch(42.7% 0.034 190.4)

  10. Step 900

    900

    #324645

    oklch(37.7% 0.025 192.3)

  11. Step 950

    950 (this color)

    #212D2C

    oklch(28.6% 0.016 190)

Export this scale for Tailwind in the Tailwind colors tool

#212D2C 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)#2C2C2C0.018
Deuteranopia (no green cones)#292A2C0.016
Tritanopia (no blue cones)#1D2E2D0.006
Achromatopsia (no color)#2B2B2B0.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #212D2C

    #212D2C

    oklch(28.6% 0.016 190)

  • #322728

    #322728

    oklch(28.6% 0.017 12)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #212D2C

    #212D2C

    oklch(28.6% 0.016 190)

  • #232D27

    #232D27

    oklch(28.6% 0.018 158.7)

  • #212C30

    #212C30

    oklch(28.5% 0.017 222.1)

Open the analogous palette in the generator

Split complementary

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

  • #212D2C

    #212D2C

    oklch(28.6% 0.016 190)

  • #30272D

    #30272D

    oklch(28.5% 0.017 338.4)

  • #322824

    #322824

    oklch(28.7% 0.017 43)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #212D2C

    #212D2C

    oklch(28.6% 0.016 190)

  • #2D2831

    #2D2831

    oklch(28.6% 0.018 310.1)

  • #302922

    #302922

    oklch(28.6% 0.016 67.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #212D2C

    #212D2C

    oklch(28.6% 0.016 190)

  • #282A33

    #282A33

    oklch(28.7% 0.017 275.4)

  • #322728

    #322728

    oklch(28.6% 0.017 12)

  • #2C2B21

    #2C2B21

    oklch(28.7% 0.018 102.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #212D2C, closest first.

Similar named colors

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

Use #212D2C 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.