#211801

Closest named color: Dark Brown (#341C02). oklch(21.4% 0.042 89.1), rgb(33, 24, 1).

Aa

White text reads best on this color (17.56:1).

About this color

#211801 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.042 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.046 away. White text reads best on it, at 17.56:1.

Hue familyBrowns
Lightnessvery dark (21%)
Chromamuted (0.042)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.19:1
White text17.56:1

Values

HEX#211801
RGBrgb(33, 24, 1)
HSLhsl(43, 94%, 7%)
OKLCHoklch(21.4% 0.042 89.1)

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 #211801 17.56:1 AAA Lc -106.6 Preferred for body text
Black text on #211801 1.19:1 Fails Lc 0.0 Not readable
#211801 text on white 17.56:1 AAA Lc 104.3 Preferred for body text
#211801 text on black 1.19:1 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

    #F7F5F0

    oklch(97% 0.007 88.6)

  2. Step 100

    100

    #EEEADF

    oklch(93.7% 0.015 90.2)

  3. Step 200

    200

    #E0D9C5

    oklch(88.5% 0.028 90.9)

  4. Step 300

    300

    #CDC09D

    oklch(81% 0.049 90.1)

  5. Step 400

    400

    #B49E66

    oklch(70.6% 0.079 88.9)

  6. Step 500

    500

    #A28639

    oklch(63.1% 0.101 89.1)

  7. Step 600

    600

    #8D6F0C

    oklch(55.6% 0.11 89.2)

  8. Step 700

    700

    #775D00

    oklch(49.1% 0.1 89.6)

  9. Step 800

    800

    #624C05

    oklch(42.8% 0.085 88.9)

  10. Step 900

    900

    #503F11

    oklch(37.6% 0.066 88)

  11. Step 950

    950 (this color)

    #211801

    oklch(21.4% 0.042 89.1)

Export this scale for Tailwind in the Tailwind colors tool

#211801 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)#1C18000.011
Deuteranopia (no green cones)#1F1A020.007
Tritanopia (no blue cones)#2515130.038
Achromatopsia (no color)#1919190.042

Harmonies

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

Complementary

The opposite hue (180°).

  • #211801

    #211801

    oklch(21.4% 0.042 89.1)

  • #11182D

    #11182D

    oklch(21.4% 0.043 268.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211801

    #211801

    oklch(21.4% 0.042 89.1)

  • #271404

    #271404

    oklch(21.4% 0.042 60)

  • #171C04

    #171C04

    oklch(21.5% 0.043 119.6)

Open the analogous palette in the generator

Split complementary

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

  • #211801

    #211801

    oklch(21.4% 0.042 89.1)

  • #041C2A

    #041C2A

    oklch(21.5% 0.041 237.4)

  • #1C152A

    #1C152A

    oklch(21.6% 0.041 298.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211801

    #211801

    oklch(21.4% 0.042 89.1)

  • #001E22

    #001E22

    oklch(21.5% 0.037 207.2)

  • #241223

    #241223

    oklch(21.5% 0.042 328.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211801

    #211801

    oklch(21.4% 0.042 89.1)

  • #001F1A

    #001F1A

    oklch(21.4% 0.039 180.2)

  • #11182D

    #11182D

    oklch(21.4% 0.043 268.7)

  • #291019

    #291019

    oklch(21.5% 0.043 358.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211801, closest first.

Similar named colors

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

Use #211801 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.