#2A0306

Closest named color: Very Dark Brown (#1D0200). oklch(18.7% 0.066 20.8), rgb(42, 3, 6).

Aa

White text reads best on this color (18.84:1).

About this color

#2A0306 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.066 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.040 away. White text reads best on it, at 18.84:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.066)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.84:1

Values

HEX#2A0306
RGBrgb(42, 3, 6)
HSLhsl(355, 87%, 9%)
OKLCHoklch(18.7% 0.066 20.8)

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 #2A0306 18.84:1 AAA Lc -107.0 Preferred for body text
Black text on #2A0306 1.11:1 Fails Lc 0.0 Not readable
#2A0306 text on white 18.84:1 AAA Lc 104.8 Preferred for body text
#2A0306 text on black 1.11:1 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F9E4E3

    oklch(93.5% 0.023 20.9)

  3. Step 200

    200

    #F5CECD

    oklch(88.4% 0.044 19.8)

  4. Step 300

    300

    #EFADAB

    oklch(80.9% 0.078 20.9)

  5. Step 400

    400

    #E47F7F

    oklch(70.7% 0.125 20.7)

  6. Step 500

    500

    #D95A5E

    oklch(63.1% 0.16 21)

  7. Step 600

    600

    #C43B45

    oklch(55.6% 0.173 20.9)

  8. Step 700

    700

    #A92B37

    oklch(49.1% 0.162 20.6)

  9. Step 800

    800

    #89262E

    oklch(42.7% 0.133 20.5)

  10. Step 900

    900

    #6E2529

    oklch(37.6% 0.104 20.4)

  11. Step 950

    950 (this color)

    #2A0306

    oklch(18.7% 0.066 20.8)

Export this scale for Tailwind in the Tailwind colors tool

#2A0306 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)#0D0C060.073
Deuteranopia (no green cones)#1814050.065
Tritanopia (no blue cones)#2F00040.013
Achromatopsia (no color)#1111110.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A0306

    #2A0306

    oklch(18.7% 0.066 20.8)

  • #001719

    #001719

    oklch(18.6% 0.032 202.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A0306

    #2A0306

    oklch(18.7% 0.066 20.8)

  • #270317

    #270317

    oklch(18.6% 0.067 350.2)

  • #230B00

    #230B00

    oklch(18.6% 0.048 51.1)

Open the analogous palette in the generator

Split complementary

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

  • #2A0306

    #2A0306

    oklch(18.7% 0.066 20.8)

  • #001811

    #001811

    oklch(18.6% 0.036 171.8)

  • #001621

    #001621

    oklch(18.8% 0.038 231.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A0306

    #2A0306

    oklch(18.7% 0.066 20.8)

  • #021900

    #021900

    oklch(18.6% 0.061 140.6)

  • #021130

    #021130

    oklch(18.7% 0.066 260.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A0306

    #2A0306

    oklch(18.7% 0.066 20.8)

  • #141500

    #141500

    oklch(18.8% 0.042 112)

  • #001719

    #001719

    oklch(18.6% 0.032 202.2)

  • #140B2E

    #140B2E

    oklch(18.7% 0.067 290.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A0306, closest first.

Similar named colors

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

Use #2A0306 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.