#213330

Closest named color: Gunmetal (#293241). oklch(30.4% 0.024 183.2), rgb(33, 51, 48).

Aa

White text reads best on this color (13.28:1).

About this color

#213330 is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.036 away. White text reads best on it, at 13.28:1.

Hue familyNeutrals
Lightnessdark (30%)
Chromaclose to neutral grey (0.024)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.58:1
White text13.28:1

Values

HEX#213330
RGBrgb(33, 51, 48)
HSLhsl(170, 21%, 16%)
OKLCHoklch(30.4% 0.024 183.2)

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 #213330 13.28:1 AAA Lc -102.8 Preferred for body text
Black text on #213330 1.58:1 Fails Lc 0.0 Not readable
#213330 text on white 13.28:1 AAA Lc 99.6 Preferred for body text
#213330 text on black 1.58:1 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

    #E4ECEA

    oklch(93.6% 0.009 179.6)

  3. Step 200

    200

    #CEDDDA

    oklch(88.5% 0.017 182.7)

  4. Step 300

    300

    #ADC7C2

    oklch(80.9% 0.029 182.7)

  5. Step 400

    400

    #81AAA3

    oklch(70.6% 0.046 183.4)

  6. Step 500

    500

    #60958D

    oklch(63% 0.058 183.9)

  7. Step 600

    600

    #458077

    oklch(55.7% 0.064 183)

  8. Step 700

    700

    #366C64

    oklch(49.2% 0.059 183.1)

  9. Step 800

    800

    #2D5851

    oklch(42.7% 0.05 182.1)

  10. Step 900

    900

    #294843

    oklch(37.6% 0.038 182.8)

  11. Step 950

    950 (this color)

    #213330

    oklch(30.4% 0.024 183.2)

Export this scale for Tailwind in the Tailwind colors tool

#213330 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)#3131300.025
Deuteranopia (no green cones)#2E2F300.023
Tritanopia (no blue cones)#1B34320.008
Achromatopsia (no color)#3030300.025

Harmonies

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

Complementary

The opposite hue (180°).

  • #213330

    #213330

    oklch(30.4% 0.024 183.2)

  • #3A2A2E

    #3A2A2E

    oklch(30.5% 0.025 2.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #213330

    #213330

    oklch(30.4% 0.024 183.2)

  • #263329

    #263329

    oklch(30.6% 0.025 151.7)

  • #213236

    #213236

    oklch(30.4% 0.023 213.9)

Open the analogous palette in the generator

Split complementary

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

  • #213330

    #213330

    oklch(30.4% 0.024 183.2)

  • #372A34

    #372A34

    oklch(30.4% 0.026 334.4)

  • #3A2B27

    #3A2B27

    oklch(30.5% 0.024 35.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #213330

    #213330

    oklch(30.4% 0.024 183.2)

  • #312C39

    #312C39

    oklch(30.4% 0.024 302.5)

  • #382C22

    #382C22

    oklch(30.4% 0.025 61.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #213330

    #213330

    oklch(30.4% 0.024 183.2)

  • #2B2E3B

    #2B2E3B

    oklch(30.4% 0.024 274.7)

  • #3A2A2E

    #3A2A2E

    oklch(30.5% 0.025 2.1)

  • #332F21

    #332F21

    oklch(30.5% 0.024 94)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #213330, closest first.

Similar named colors

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

Use #213330 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.