#280A01

Closest named color: Very Dark Brown (#1D0200). oklch(19.4% 0.055 42.2), rgb(40, 10, 1).

Aa

White text reads best on this color (18.51:1).

About this color

#280A01 is a very dark, muted brown. In OKLCH its lightness is 19%, its chroma 0.055 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.044 away. White text reads best on it, at 18.51:1.

Hue familyBrowns
Lightnessvery dark (19%)
Chromamuted (0.055)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.13:1
White text18.51:1

Values

HEX#280A01
RGBrgb(40, 10, 1)
HSLhsl(14, 95%, 8%)
OKLCHoklch(19.4% 0.055 42.2)

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 #280A01 18.51:1 AAA Lc -107.0 Preferred for body text
Black text on #280A01 1.13:1 Fails Lc 0.0 Not readable
#280A01 text on white 18.51:1 AAA Lc 104.8 Preferred for body text
#280A01 text on black 1.13:1 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

    #FBF4F1

    oklch(97.2% 0.009 44.9)

  2. Step 100

    100

    #F6E6E0

    oklch(93.6% 0.019 41.8)

  3. Step 200

    200

    #EFD2C7

    oklch(88.5% 0.036 41.9)

  4. Step 300

    300

    #E6B4A0

    oklch(81% 0.065 42.9)

  5. Step 400

    400

    #D78A6C

    oklch(70.6% 0.104 42)

  6. Step 500

    500

    #CB6B44

    oklch(63.1% 0.133 42.1)

  7. Step 600

    600

    #B65023

    oklch(55.5% 0.144 42.1)

  8. Step 700

    700

    #9D4015

    oklch(49.1% 0.135 42)

  9. Step 800

    800

    #7F3615

    oklch(42.7% 0.111 42.5)

  10. Step 900

    900

    #673018

    oklch(37.9% 0.087 42.9)

  11. Step 950

    950 (this color)

    #280A01

    oklch(19.4% 0.055 42.2)

Export this scale for Tailwind in the Tailwind colors tool

#280A01 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)#130F000.053
Deuteranopia (no green cones)#1A16010.048
Tritanopia (no blue cones)#2D04080.027
Achromatopsia (no color)#1313130.055

Harmonies

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

Complementary

The opposite hue (180°).

  • #280A01

    #280A01

    oklch(19.4% 0.055 42.2)

  • #001820

    #001820

    oklch(19.4% 0.036 221.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280A01

    #280A01

    oklch(19.4% 0.055 42.2)

  • #28080E

    #28080E

    oklch(19.4% 0.054 12.2)

  • #201100

    #201100

    oklch(19.4% 0.042 71.9)

Open the analogous palette in the generator

Split complementary

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

  • #280A01

    #280A01

    oklch(19.4% 0.055 42.2)

  • #001919

    #001919

    oklch(19.3% 0.033 194.8)

  • #01152C

    #01152C

    oklch(19.4% 0.054 251.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280A01

    #280A01

    oklch(19.4% 0.055 42.2)

  • #001A0F

    #001A0F

    oklch(19.3% 0.041 163.3)

  • #12102C

    #12102C

    oklch(19.4% 0.055 283.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280A01

    #280A01

    oklch(19.4% 0.055 42.2)

  • #0B1900

    #0B1900

    oklch(19.3% 0.053 131.8)

  • #001820

    #001820

    oklch(19.4% 0.036 221.8)

  • #1D0C26

    #1D0C26

    oklch(19.4% 0.055 312.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280A01, closest first.

Similar named colors

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

Use #280A01 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.