#282B33

Closest named color: Space Cadet (#2B2D42). oklch(28.9% 0.015 269.2), rgb(40, 43, 51).

Aa

White text reads best on this color (14.15:1).

About this color

#282B33 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.028 away. White text reads best on it, at 14.15:1.

Hue familyNeutrals
Lightnessdark (29%)
Chromaclose to neutral grey (0.015)
Temperatureneutral
Nearest nameSpace Cadet (#2B2D42)
Black text1.48:1
White text14.15:1

Values

HEX#282B33
RGBrgb(40, 43, 51)
HSLhsl(224, 12%, 18%)
OKLCHoklch(28.9% 0.015 269.2)

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 #282B33 14.15:1 AAA Lc -103.8 Preferred for body text
Black text on #282B33 1.48:1 Fails Lc 0.0 Not readable
#282B33 text on white 14.15:1 AAA Lc 100.9 Preferred for body text
#282B33 text on black 1.48:1 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

    #F5F5F7

    oklch(97.1% 0.003 286.4)

  2. Step 100

    100

    #E8EAED

    oklch(93.6% 0.005 258.3)

  3. Step 200

    200

    #D6D9E0

    oklch(88.5% 0.01 267.4)

  4. Step 300

    300

    #BCC0CD

    oklch(80.9% 0.019 272.3)

  5. Step 400

    400

    #99A0B3

    oklch(70.6% 0.029 269.5)

  6. Step 500

    500

    #8089A1

    oklch(63.1% 0.038 269.1)

  7. Step 600

    600

    #6A738B

    oklch(55.7% 0.039 269)

  8. Step 700

    700

    #586076

    oklch(49.1% 0.037 269.4)

  9. Step 800

    800

    #484F60

    oklch(42.8% 0.03 267.5)

  10. Step 900

    900

    #3C414F

    oklch(37.6% 0.025 269.7)

  11. Step 950

    950 (this color)

    #282B33

    oklch(28.9% 0.015 269.2)

Export this scale for Tailwind in the Tailwind colors tool

#282B33 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)#292C330.004
Deuteranopia (no green cones)#282B330.000
Tritanopia (no blue cones)#252C2E0.012
Achromatopsia (no color)#2B2B2B0.015

Harmonies

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

Complementary

The opposite hue (180°).

  • #282B33

    #282B33

    oklch(28.9% 0.015 269.2)

  • #2E2B23

    #2E2B23

    oklch(29% 0.015 89.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #282B33

    #282B33

    oklch(28.9% 0.015 269.2)

  • #242C32

    #242C32

    oklch(28.8% 0.016 240.5)

  • #2C2A32

    #2C2A32

    oklch(29% 0.015 296.9)

Open the analogous palette in the generator

Split complementary

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

  • #282B33

    #282B33

    oklch(28.9% 0.015 269.2)

  • #312924

    #312924

    oklch(28.8% 0.015 54)

  • #2A2C24

    #2A2C24

    oklch(28.8% 0.014 118.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #282B33

    #282B33

    oklch(28.9% 0.015 269.2)

  • #322827

    #322827

    oklch(28.8% 0.015 24.8)

  • #262D27

    #262D27

    oklch(28.8% 0.015 149.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #282B33

    #282B33

    oklch(28.9% 0.015 269.2)

  • #32282B

    #32282B

    oklch(28.9% 0.016 358.2)

  • #2E2B23

    #2E2B23

    oklch(29% 0.015 89.9)

  • #232E2B

    #232E2B

    oklch(29% 0.016 176.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #282B33, closest first.

Similar named colors

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

Use #282B33 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.