#232F3C

Closest named color: Gunmetal (#293241). oklch(30% 0.029 250.8), rgb(35, 47, 60).

Aa

White text reads best on this color (13.60:1).

About this color

#232F3C is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.016 away. White text reads best on it, at 13.60:1.

Hue familyNeutrals
Lightnessdark (30%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.54:1
White text13.60:1

Values

HEX#232F3C
RGBrgb(35, 47, 60)
HSLhsl(211, 26%, 19%)
OKLCHoklch(30% 0.029 250.8)

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 #232F3C 13.60:1 AAA Lc -103.2 Preferred for body text
Black text on #232F3C 1.54:1 Fails Lc 0.0 Not readable
#232F3C text on white 13.60:1 AAA Lc 100.1 Preferred for body text
#232F3C text on black 1.54:1 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

    #E5EAF0

    oklch(93.5% 0.01 252.8)

  3. Step 200

    200

    #D0DAE6

    oklch(88.4% 0.02 252.9)

  4. Step 300

    300

    #B1C3D6

    oklch(81% 0.033 249.7)

  5. Step 400

    400

    #88A4C2

    oklch(70.8% 0.054 250.4)

  6. Step 500

    500

    #6A8DB3

    oklch(63.2% 0.07 251)

  7. Step 600

    600

    #51769F

    oklch(55.5% 0.077 251.8)

  8. Step 700

    700

    #416388

    oklch(49% 0.072 251.4)

  9. Step 800

    800

    #36516E

    oklch(42.6% 0.059 251)

  10. Step 900

    900

    #2F4359

    oklch(37.6% 0.046 251.4)

  11. Step 950

    950 (this color)

    #232F3C

    oklch(30% 0.029 250.8)

Export this scale for Tailwind in the Tailwind colors tool

#232F3C 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)#2A2F3D0.011
Deuteranopia (no green cones)#272D3C0.009
Tritanopia (no blue cones)#1B32330.025
Achromatopsia (no color)#2E2E2E0.029

Harmonies

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

Complementary

The opposite hue (180°).

  • #232F3C

    #232F3C

    oklch(30% 0.029 250.8)

  • #372B1E

    #372B1E

    oklch(29.9% 0.028 68.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #232F3C

    #232F3C

    oklch(30% 0.029 250.8)

  • #1D3138

    #1D3138

    oklch(29.9% 0.029 222.1)

  • #2B2C3C

    #2B2C3C

    oklch(29.9% 0.029 281.7)

Open the analogous palette in the generator

Split complementary

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

  • #232F3C

    #232F3C

    oklch(30% 0.029 250.8)

  • #3B2923

    #3B2923

    oklch(30% 0.029 39.2)

  • #312E1D

    #312E1D

    oklch(29.9% 0.029 99.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #232F3C

    #232F3C

    oklch(30% 0.029 250.8)

  • #3B282A

    #3B282A

    oklch(30% 0.029 11.9)

  • #293122

    #293122

    oklch(30.1% 0.028 130.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #232F3C

    #232F3C

    oklch(30% 0.029 250.8)

  • #382832

    #382832

    oklch(29.9% 0.029 341.1)

  • #372B1E

    #372B1E

    oklch(29.9% 0.028 68.6)

  • #213229

    #213229

    oklch(29.9% 0.028 161)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #232F3C, closest first.

Similar named colors

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

Use #232F3C 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.