#211F05

Closest named color: Dark Brown (#341C02). oklch(23.5% 0.042 105.1), rgb(33, 31, 5).

Aa

White text reads best on this color (16.62:1).

About this color

#211F05 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.042 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.040 away. White text reads best on it, at 16.62:1.

Hue familyBrowns
Lightnessvery dark (23%)
Chromamuted (0.042)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.26:1
White text16.62:1

Values

HEX#211F05
RGBrgb(33, 31, 5)
HSLhsl(56, 74%, 7%)
OKLCHoklch(23.5% 0.042 105.1)

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 #211F05 16.62:1 AAA Lc -106.0 Preferred for body text
Black text on #211F05 1.26:1 Fails Lc 0.0 Not readable
#211F05 text on white 16.62:1 AAA Lc 103.5 Preferred for body text
#211F05 text on black 1.26:1 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

    #F6F6F1

    oklch(97.2% 0.007 106.5)

  2. Step 100

    100

    #EBEBE0

    oklch(93.7% 0.015 106.7)

  3. Step 200

    200

    #DBDBC6

    oklch(88.6% 0.028 107)

  4. Step 300

    300

    #C5C39E

    oklch(80.9% 0.05 104.9)

  5. Step 400

    400

    #A8A468

    oklch(70.8% 0.08 105)

  6. Step 500

    500

    #938D3D

    oklch(63.2% 0.102 105)

  7. Step 600

    600

    #7D7615

    oklch(55.5% 0.111 105.1)

  8. Step 700

    700

    #6A6303

    oklch(49.1% 0.103 104.7)

  9. Step 800

    800

    #56510B

    oklch(42.7% 0.085 105.1)

  10. Step 900

    900

    #474314

    oklch(37.6% 0.066 104.4)

  11. Step 950

    950 (this color)

    #211F05

    oklch(23.5% 0.042 105.1)

Export this scale for Tailwind in the Tailwind colors tool

#211F05 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)#231E030.005
Deuteranopia (no green cones)#231F060.005
Tritanopia (no blue cones)#241C190.038
Achromatopsia (no color)#1E1E1E0.042

Harmonies

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

Complementary

The opposite hue (180°).

  • #211F05

    #211F05

    oklch(23.5% 0.042 105.1)

  • #1C1B31

    #1C1B31

    oklch(23.5% 0.042 284.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211F05

    #211F05

    oklch(23.5% 0.042 105.1)

  • #2A1B05

    #2A1B05

    oklch(23.6% 0.042 74.3)

  • #15220D

    #15220D

    oklch(23.3% 0.042 134.6)

Open the analogous palette in the generator

Split complementary

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

  • #211F05

    #211F05

    oklch(23.5% 0.042 105.1)

  • #101F32

    #101F32

    oklch(23.6% 0.042 255)

  • #26182C

    #26182C

    oklch(23.7% 0.042 315.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211F05

    #211F05

    oklch(23.5% 0.042 105.1)

  • #02222D

    #02222D

    oklch(23.5% 0.042 225.1)

  • #2C1523

    #2C1523

    oklch(23.4% 0.044 343.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211F05

    #211F05

    oklch(23.5% 0.042 105.1)

  • #002424

    #002424

    oklch(23.6% 0.04 194.8)

  • #1C1B31

    #1C1B31

    oklch(23.5% 0.042 284.8)

  • #2F1518

    #2F1518

    oklch(23.5% 0.042 13.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211F05, closest first.

Similar named colors

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

Use #211F05 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.