#280F18

Closest named color: Dark Maroon (#3C0008). oklch(21% 0.044 358.7), rgb(40, 15, 24).

Aa

White text reads best on this color (17.92:1).

About this color

#280F18 is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.044 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.055 away. White text reads best on it, at 17.92:1.

Hue familyReds
Lightnessvery dark (21%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.17:1
White text17.92:1

Values

HEX#280F18
RGBrgb(40, 15, 24)
HSLhsl(338, 45%, 11%)
OKLCHoklch(21% 0.044 358.7)

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 #280F18 17.92:1 AAA Lc -106.7 Preferred for body text
Black text on #280F18 1.17:1 Fails Lc 0.0 Not readable
#280F18 text on white 17.92:1 AAA Lc 104.5 Preferred for body text
#280F18 text on black 1.17:1 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

    #FAF4F5

    oklch(97.2% 0.007 5.6)

  2. Step 100

    100

    #F3E6E9

    oklch(93.6% 0.015 1.6)

  3. Step 200

    200

    #EAD2D9

    oklch(88.6% 0.028 358.1)

  4. Step 300

    300

    #DEB3C0

    oklch(80.9% 0.052 358.3)

  5. Step 400

    400

    #CC8BA0

    oklch(70.8% 0.083 358.4)

  6. Step 500

    500

    #BD6D88

    oklch(63.1% 0.106 359)

  7. Step 600

    600

    #A85472

    oklch(55.6% 0.115 358.9)

  8. Step 700

    700

    #904460

    oklch(49.2% 0.107 358.5)

  9. Step 800

    800

    #75384E

    oklch(42.7% 0.089 358.7)

  10. Step 900

    900

    #5F3141

    oklch(37.8% 0.069 358.8)

  11. Step 950

    950 (this color)

    #280F18

    oklch(21% 0.044 358.7)

Export this scale for Tailwind in the Tailwind colors tool

#280F18 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)#1314180.047
Deuteranopia (no green cones)#1919170.045
Tritanopia (no blue cones)#2B0D120.013
Achromatopsia (no color)#1717170.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #280F18

    #280F18

    oklch(21% 0.044 358.7)

  • #001E19

    #001E19

    oklch(21.1% 0.038 179.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280F18

    #280F18

    oklch(21% 0.044 358.7)

  • #231122

    #231122

    oklch(21.1% 0.042 328.9)

  • #29100C

    #29100C

    oklch(21% 0.043 30.5)

Open the analogous palette in the generator

Split complementary

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

  • #280F18

    #280F18

    oklch(21% 0.044 358.7)

  • #081E0D

    #081E0D

    oklch(21.1% 0.044 149)

  • #001D21

    #001D21

    oklch(21.1% 0.036 207.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280F18

    #280F18

    oklch(21% 0.044 358.7)

  • #161B03

    #161B03

    oklch(21% 0.043 119.6)

  • #021B2A

    #021B2A

    oklch(21.1% 0.043 238)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280F18

    #280F18

    oklch(21% 0.044 358.7)

  • #201700

    #201700

    oklch(21% 0.043 89.6)

  • #001E19

    #001E19

    oklch(21.1% 0.038 179.9)

  • #10172C

    #10172C

    oklch(21% 0.043 268.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280F18, closest first.

Similar named colors

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

Use #280F18 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.