#21332E

Closest named color: Gunmetal (#293241). oklch(30.4% 0.025 175.4), rgb(33, 51, 46).

Aa

White text reads best on this color (13.31:1).

About this color

#21332E is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.039 away. White text reads best on it, at 13.31:1.

Hue familyNeutrals
Lightnessdark (30%)
Chromaclose to neutral grey (0.025)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.57:1
White text13.31:1

Values

HEX#21332E
RGBrgb(33, 51, 46)
HSLhsl(163, 21%, 16%)
OKLCHoklch(30.4% 0.025 175.4)

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 #21332E 13.31:1 AAA Lc -102.9 Preferred for body text
Black text on #21332E 1.57:1 Fails Lc 0.0 Not readable
#21332E text on white 13.31:1 AAA Lc 99.7 Preferred for body text
#21332E text on black 1.57:1 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

    #F3F6F5

    oklch(97.1% 0.003 174.5)

  2. Step 100

    100

    #E4ECE9

    oklch(93.6% 0.009 171.8)

  3. Step 200

    200

    #CEDDD8

    oklch(88.5% 0.017 174)

  4. Step 300

    300

    #AEC7BF

    oklch(80.9% 0.029 174.3)

  5. Step 400

    400

    #82AB9F

    oklch(70.8% 0.048 175)

  6. Step 500

    500

    #609688

    oklch(63.1% 0.061 176)

  7. Step 600

    600

    #458071

    oklch(55.5% 0.067 175.4)

  8. Step 700

    700

    #376C5F

    oklch(49% 0.061 175.8)

  9. Step 800

    800

    #2E584D

    oklch(42.6% 0.051 174.9)

  10. Step 900

    900

    #2A4940

    oklch(37.8% 0.04 173.6)

  11. Step 950

    950 (this color)

    #21332E

    oklch(30.4% 0.025 175.4)

Export this scale for Tailwind in the Tailwind colors tool

#21332E 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)#32312E0.027
Deuteranopia (no green cones)#2E2E2E0.025
Tritanopia (no blue cones)#1C33310.008
Achromatopsia (no color)#2F2F2F0.025

Harmonies

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

Complementary

The opposite hue (180°).

  • #21332E

    #21332E

    oklch(30.4% 0.025 175.4)

  • #392A2F

    #392A2F

    oklch(30.4% 0.024 356.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21332E

    #21332E

    oklch(30.4% 0.025 175.4)

  • #273227

    #273227

    oklch(30.3% 0.025 144.9)

  • #1F3335

    #1F3335

    oklch(30.5% 0.026 203.8)

Open the analogous palette in the generator

Split complementary

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

  • #21332E

    #21332E

    oklch(30.4% 0.025 175.4)

  • #352A36

    #352A36

    oklch(30.2% 0.026 323.5)

  • #3B2A28

    #3B2A28

    oklch(30.4% 0.026 26.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21332E

    #21332E

    oklch(30.4% 0.025 175.4)

  • #2F2C3A

    #2F2C3A

    oklch(30.2% 0.025 294.7)

  • #392C23

    #392C23

    oklch(30.5% 0.025 56.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21332E

    #21332E

    oklch(30.4% 0.025 175.4)

  • #292F3C

    #292F3C

    oklch(30.5% 0.025 265.5)

  • #392A2F

    #392A2F

    oklch(30.4% 0.024 356.7)

  • #342E20

    #342E20

    oklch(30.3% 0.025 87.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21332E, closest first.

Similar named colors

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

Use #21332E 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.