#212D36

Closest named color: Gunmetal (#293241). oklch(29% 0.023 241), rgb(33, 45, 54).

Aa

White text reads best on this color (14.06:1).

About this color

#212D36 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.028 away. White text reads best on it, at 14.06:1.

Hue familyNeutrals
Lightnessdark (29%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.49:1
White text14.06:1

Values

HEX#212D36
RGBrgb(33, 45, 54)
HSLhsl(206, 24%, 17%)
OKLCHoklch(29% 0.023 241)

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 #212D36 14.06:1 AAA Lc -103.7 Preferred for body text
Black text on #212D36 1.49:1 Fails Lc 0.0 Not readable
#212D36 text on white 14.06:1 AAA Lc 100.7 Preferred for body text
#212D36 text on black 1.49:1 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

    #F3F6F8

    oklch(97.1% 0.004 236.5)

  2. Step 100

    100

    #E5EBEF

    oklch(93.7% 0.008 236.6)

  3. Step 200

    200

    #D1DBE2

    oklch(88.6% 0.015 238)

  4. Step 300

    300

    #B2C3D1

    oklch(80.9% 0.027 242.8)

  5. Step 400

    400

    #89A5BA

    oklch(70.8% 0.044 240.7)

  6. Step 500

    500

    #6B8EA9

    oklch(63.1% 0.057 241.9)

  7. Step 600

    600

    #527894

    oklch(55.5% 0.061 241.1)

  8. Step 700

    700

    #42657E

    oklch(49.1% 0.057 240.5)

  9. Step 800

    800

    #375267

    oklch(42.6% 0.048 242.6)

  10. Step 900

    900

    #304453

    oklch(37.6% 0.036 241.3)

  11. Step 950

    950 (this color)

    #212D36

    oklch(29% 0.023 241)

Export this scale for Tailwind in the Tailwind colors tool

#212D36 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)#292D360.013
Deuteranopia (no green cones)#262B360.010
Tritanopia (no blue cones)#1A2F300.018
Achromatopsia (no color)#2B2B2B0.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #212D36

    #212D36

    oklch(29% 0.023 241)

  • #342920

    #342920

    oklch(29.1% 0.023 61)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #212D36

    #212D36

    oklch(29% 0.023 241)

  • #1E2F32

    #1E2F32

    oklch(29.2% 0.023 209.7)

  • #272B37

    #272B37

    oklch(29% 0.023 270.5)

Open the analogous palette in the generator

Split complementary

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

  • #212D36

    #212D36

    oklch(29% 0.023 241)

  • #362724

    #362724

    oklch(28.9% 0.023 31.4)

  • #302B1E

    #302B1E

    oklch(29% 0.023 89.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #212D36

    #212D36

    oklch(29% 0.023 241)

  • #35272B

    #35272B

    oklch(29.1% 0.022 359.7)

  • #292D20

    #292D20

    oklch(28.9% 0.023 121.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #212D36

    #212D36

    oklch(29% 0.023 241)

  • #322731

    #322731

    oklch(28.9% 0.024 329.1)

  • #342920

    #342920

    oklch(29.1% 0.023 61)

  • #232F25

    #232F25

    oklch(29.1% 0.024 149.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #212D36, closest first.

Similar named colors

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

Use #212D36 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.