#280703

Closest named color: Very Dark Brown (#1D0200). oklch(18.9% 0.057 32.7), rgb(40, 7, 3).

Aa

White text reads best on this color (18.71:1).

About this color

#280703 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.057 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.038 away. White text reads best on it, at 18.71:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.057)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.71:1

Values

HEX#280703
RGBrgb(40, 7, 3)
HSLhsl(6, 86%, 8%)
OKLCHoklch(18.9% 0.057 32.7)

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 #280703 18.71:1 AAA Lc -107.0 Preferred for body text
Black text on #280703 1.12:1 Fails Lc 0.0 Not readable
#280703 text on white 18.71:1 AAA Lc 104.9 Preferred for body text
#280703 text on black 1.12:1 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

    #FBF3F2

    oklch(97% 0.009 26)

  2. Step 100

    100

    #F7E5E2

    oklch(93.5% 0.02 28.9)

  3. Step 200

    200

    #F1D1CA

    oklch(88.6% 0.037 32.4)

  4. Step 300

    300

    #E9B1A5

    oklch(80.9% 0.068 32.3)

  5. Step 400

    400

    #DC8775

    oklch(70.8% 0.108 32.7)

  6. Step 500

    500

    #CF6651

    oklch(63.1% 0.138 32.7)

  7. Step 600

    600

    #BB4A34

    oklch(55.6% 0.151 32.9)

  8. Step 700

    700

    #A13A27

    oklch(49.1% 0.141 32.6)

  9. Step 800

    800

    #833122

    oklch(42.8% 0.117 32.4)

  10. Step 900

    900

    #692C20

    oklch(37.6% 0.091 32.8)

  11. Step 950

    950 (this color)

    #280703

    oklch(18.9% 0.057 32.7)

Export this scale for Tailwind in the Tailwind colors tool

#280703 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)#100D030.059
Deuteranopia (no green cones)#1815020.056
Tritanopia (no blue cones)#2D01060.022
Achromatopsia (no color)#1212120.058

Harmonies

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

Complementary

The opposite hue (180°).

  • #280703

    #280703

    oklch(18.9% 0.057 32.7)

  • #00171C

    #00171C

    oklch(18.8% 0.033 212.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280703

    #280703

    oklch(18.9% 0.057 32.7)

  • #270611

    #270611

    oklch(18.9% 0.057 3.3)

  • #210E00

    #210E00

    oklch(18.8% 0.044 61.3)

Open the analogous palette in the generator

Split complementary

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

  • #280703

    #280703

    oklch(18.9% 0.057 32.7)

  • #001815

    #001815

    oklch(18.8% 0.033 184.2)

  • #001526

    #001526

    oklch(18.8% 0.046 243.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280703

    #280703

    oklch(18.9% 0.057 32.7)

  • #001A08

    #001A08

    oklch(19.1% 0.05 152)

  • #0C102D

    #0C102D

    oklch(18.9% 0.058 273.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280703

    #280703

    oklch(18.9% 0.057 32.7)

  • #101700

    #101700

    oklch(19% 0.047 123.1)

  • #00171C

    #00171C

    oklch(18.8% 0.033 212.9)

  • #190C28

    #190C28

    oklch(19% 0.056 302.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280703, closest first.

Similar named colors

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

Use #280703 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.