#28323E

Closest named color: Gunmetal (#293241). oklch(31.3% 0.026 253.2), rgb(40, 50, 62).

Aa

White text reads best on this color (12.99:1).

About this color

#28323E is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.006 away. White text reads best on it, at 12.99:1.

Hue familyNeutrals
Lightnessdark (31%)
Chromaclose to neutral grey (0.026)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.61:1
White text12.99:1

Values

HEX#28323E
RGBrgb(40, 50, 62)
HSLhsl(213, 22%, 20%)
OKLCHoklch(31.3% 0.026 253.2)

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 #28323E 12.99:1 AAA Lc -102.5 Preferred for body text
Black text on #28323E 1.61:1 Fails Lc 0.0 Not readable
#28323E text on white 12.99:1 AAA Lc 99.2 Preferred for body text
#28323E text on black 1.61:1 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

    #E6EAF0

    oklch(93.6% 0.009 258.3)

  3. Step 200

    200

    #D2DAE4

    oklch(88.5% 0.016 253.9)

  4. Step 300

    300

    #B3C2D4

    oklch(80.8% 0.03 253)

  5. Step 400

    400

    #8CA3BF

    oklch(70.7% 0.049 253.5)

  6. Step 500

    500

    #6F8CAF

    oklch(63.1% 0.062 253.4)

  7. Step 600

    600

    #57769A

    oklch(55.7% 0.067 252.7)

  8. Step 700

    700

    #476384

    oklch(49.2% 0.063 253.1)

  9. Step 800

    800

    #3B516B

    oklch(42.8% 0.051 253.1)

  10. Step 900

    900

    #324357

    oklch(37.7% 0.041 252.9)

  11. Step 950

    950 (this color)

    #28323E

    oklch(31.3% 0.026 253.2)

Export this scale for Tailwind in the Tailwind colors tool

#28323E 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)#2E323F0.010
Deuteranopia (no green cones)#2B303E0.008
Tritanopia (no blue cones)#2135360.023
Achromatopsia (no color)#3131310.026

Harmonies

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

Complementary

The opposite hue (180°).

  • #28323E

    #28323E

    oklch(31.3% 0.026 253.2)

  • #392F23

    #392F23

    oklch(31.2% 0.025 71.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28323E

    #28323E

    oklch(31.3% 0.026 253.2)

  • #23343B

    #23343B

    oklch(31.3% 0.026 225.4)

  • #2F303E

    #2F303E

    oklch(31.4% 0.025 281.6)

Open the analogous palette in the generator

Split complementary

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

  • #28323E

    #28323E

    oklch(31.3% 0.026 253.2)

  • #3D2D27

    #3D2D27

    oklch(31.4% 0.026 41.5)

  • #333223

    #333223

    oklch(31.3% 0.025 104.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28323E

    #28323E

    oklch(31.3% 0.026 253.2)

  • #3D2C2D

    #3D2C2D

    oklch(31.3% 0.025 14.7)

  • #2C3427

    #2C3427

    oklch(31.3% 0.025 133.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28323E

    #28323E

    oklch(31.3% 0.026 253.2)

  • #3B2C34

    #3B2C34

    oklch(31.3% 0.026 345.4)

  • #392F23

    #392F23

    oklch(31.2% 0.025 71.8)

  • #25352D

    #25352D

    oklch(31.2% 0.026 162.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28323E, closest first.

Similar named colors

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

Use #28323E 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.