#28323D

Closest named color: Gunmetal (#293241). oklch(31.3% 0.024 251), rgb(40, 50, 61).

Aa

White text reads best on this color (13.01:1).

About this color

#28323D is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.008 away. White text reads best on it, at 13.01:1.

Hue familyNeutrals
Lightnessdark (31%)
Chromaclose to neutral grey (0.024)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.61:1
White text13.01:1

Values

HEX#28323D
RGBrgb(40, 50, 61)
HSLhsl(211, 21%, 20%)
OKLCHoklch(31.3% 0.024 251)

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 #28323D 13.01:1 AAA Lc -102.5 Preferred for body text
Black text on #28323D 1.61:1 Fails Lc 0.0 Not readable
#28323D text on white 13.01:1 AAA Lc 99.2 Preferred for body text
#28323D 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

    #F4F6F8

    oklch(97.2% 0.003 247.9)

  2. Step 100

    100

    #E6EAEF

    oklch(93.5% 0.008 253.9)

  3. Step 200

    200

    #D2DAE4

    oklch(88.5% 0.016 253.9)

  4. Step 300

    300

    #B4C2D3

    oklch(80.9% 0.029 253.3)

  5. Step 400

    400

    #8CA3BD

    oklch(70.7% 0.046 251.6)

  6. Step 500

    500

    #6F8CAC

    oklch(63% 0.059 251.2)

  7. Step 600

    600

    #577698

    oklch(55.6% 0.064 251.3)

  8. Step 700

    700

    #476381

    oklch(49% 0.059 250.8)

  9. Step 800

    800

    #3B5169

    oklch(42.7% 0.048 251.1)

  10. Step 900

    900

    #324355

    oklch(37.6% 0.038 250.3)

  11. Step 950

    950 (this color)

    #28323D

    oklch(31.3% 0.024 251)

Export this scale for Tailwind in the Tailwind colors tool

#28323D 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)#2E323E0.010
Deuteranopia (no green cones)#2B303D0.008
Tritanopia (no blue cones)#2234360.019
Achromatopsia (no color)#3131310.024

Harmonies

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

Complementary

The opposite hue (180°).

  • #28323D

    #28323D

    oklch(31.3% 0.024 251)

  • #392F24

    #392F24

    oklch(31.3% 0.024 69.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28323D

    #28323D

    oklch(31.3% 0.024 251)

  • #23343A

    #23343A

    oklch(31.3% 0.025 221.8)

  • #2F303D

    #2F303D

    oklch(31.4% 0.023 281.5)

Open the analogous palette in the generator

Split complementary

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

  • #28323D

    #28323D

    oklch(31.3% 0.024 251)

  • #3C2D28

    #3C2D28

    oklch(31.3% 0.024 39.2)

  • #333123

    #333123

    oklch(31.1% 0.024 100.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28323D

    #28323D

    oklch(31.3% 0.024 251)

  • #3C2C2E

    #3C2C2E

    oklch(31.2% 0.024 10.2)

  • #2D3427

    #2D3427

    oklch(31.4% 0.024 130.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28323D

    #28323D

    oklch(31.3% 0.024 251)

  • #3A2C35

    #3A2C35

    oklch(31.2% 0.025 339.9)

  • #392F24

    #392F24

    oklch(31.3% 0.024 69.5)

  • #26352D

    #26352D

    oklch(31.3% 0.025 161.3)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #28323D 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.