#21291E

Closest named color: Jet (#212529). oklch(26.9% 0.023 137.2), rgb(33, 41, 30).

Aa

White text reads best on this color (14.99:1).

About this color

#21291E is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.029 away. White text reads best on it, at 14.99:1.

Hue familyNeutrals
Lightnessdark (27%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.40:1
White text14.99:1

Values

HEX#21291E
RGBrgb(33, 41, 30)
HSLhsl(104, 15%, 14%)
OKLCHoklch(26.9% 0.023 137.2)

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 #21291E 14.99:1 AAA Lc -104.7 Preferred for body text
Black text on #21291E 1.40:1 Fails Lc 0.0 Not readable
#21291E text on white 14.99:1 AAA Lc 101.9 Preferred for body text
#21291E text on black 1.40:1 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

    #F4F6F4

    oklch(97.1% 0.003 145.5)

  2. Step 100

    100

    #E7EBE6

    oklch(93.6% 0.008 139.4)

  3. Step 200

    200

    #D4DCD2

    oklch(88.6% 0.016 139.4)

  4. Step 300

    300

    #B9C5B4

    oklch(80.9% 0.027 136.3)

  5. Step 400

    400

    #94A78D

    oklch(70.6% 0.043 137.3)

  6. Step 500

    500

    #7A9271

    oklch(63.2% 0.055 137.2)

  7. Step 600

    600

    #637C59

    oklch(55.7% 0.06 136.9)

  8. Step 700

    700

    #526849

    oklch(49% 0.055 136.8)

  9. Step 800

    800

    #43553C

    oklch(42.7% 0.046 137.1)

  10. Step 900

    900

    #384633

    oklch(37.6% 0.036 137.6)

  11. Step 950

    950 (this color)

    #21291E

    oklch(26.9% 0.023 137.2)

Export this scale for Tailwind in the Tailwind colors tool

#21291E 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)#2A271D0.016
Deuteranopia (no green cones)#29261F0.018
Tritanopia (no blue cones)#2128260.016
Achromatopsia (no color)#2727270.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #21291E

    #21291E

    oklch(26.9% 0.023 137.2)

  • #2B232E

    #2B232E

    oklch(27% 0.023 316.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21291E

    #21291E

    oklch(26.9% 0.023 137.2)

  • #27271A

    #27271A

    oklch(26.9% 0.023 107.8)

  • #1B2A24

    #1B2A24

    oklch(26.9% 0.023 167.9)

Open the analogous palette in the generator

Split complementary

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

  • #21291E

    #21291E

    oklch(26.9% 0.023 137.2)

  • #252531

    #252531

    oklch(27% 0.022 284.8)

  • #2F2228

    #2F2228

    oklch(27% 0.022 349.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21291E

    #21291E

    oklch(26.9% 0.023 137.2)

  • #1F2732

    #1F2732

    oklch(27% 0.024 256.4)

  • #312222

    #312222

    oklch(27% 0.023 18.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21291E

    #21291E

    oklch(26.9% 0.023 137.2)

  • #1A292F

    #1A292F

    oklch(27% 0.023 224.8)

  • #2B232E

    #2B232E

    oklch(27% 0.023 316.8)

  • #30231D

    #30231D

    oklch(27% 0.023 46)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21291E, closest first.

Similar named colors

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

Use #21291E 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.