#2A0305

Closest named color: Very Dark Brown (#1D0200). oklch(18.7% 0.066 22.7), rgb(42, 3, 5).

Aa

White text reads best on this color (18.85:1).

About this color

#2A0305 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.066 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.039 away. White text reads best on it, at 18.85:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.066)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.85:1

Values

HEX#2A0305
RGBrgb(42, 3, 5)
HSLhsl(357, 87%, 9%)
OKLCHoklch(18.7% 0.066 22.7)

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 #2A0305 18.85:1 AAA Lc -107.0 Preferred for body text
Black text on #2A0305 1.11:1 Fails Lc 0.0 Not readable
#2A0305 text on white 18.85:1 AAA Lc 104.8 Preferred for body text
#2A0305 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

    #F5CFCC

    oklch(88.6% 0.043 23.3)

  4. Step 300

    300

    #EFADA9

    oklch(80.8% 0.078 22.8)

  5. Step 400

    400

    #E47F7C

    oklch(70.7% 0.125 22.5)

  6. Step 500

    500

    #D95A5B

    oklch(63% 0.16 22.4)

  7. Step 600

    600

    #C43B41

    oklch(55.5% 0.173 22.5)

  8. Step 700

    700

    #A92C33

    oklch(49.1% 0.161 22.6)

  9. Step 800

    800

    #89262A

    oklch(42.6% 0.134 22.8)

  10. Step 900

    900

    #6F2526

    oklch(37.7% 0.105 22.9)

  11. Step 950

    950 (this color)

    #2A0305

    oklch(18.7% 0.066 22.7)

Export this scale for Tailwind in the Tailwind colors tool

#2A0305 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)#0D0C050.073
Deuteranopia (no green cones)#1814040.065
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°).

  • #2A0305

    #2A0305

    oklch(18.7% 0.066 22.7)

  • #001719

    #001719

    oklch(18.6% 0.032 202.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A0305

    #2A0305

    oklch(18.7% 0.066 22.7)

  • #270316

    #270316

    oklch(18.6% 0.067 351.8)

  • #230C00

    #230C00

    oklch(18.8% 0.047 53.3)

Open the analogous palette in the generator

Split complementary

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

  • #2A0305

    #2A0305

    oklch(18.7% 0.066 22.7)

  • #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.

  • #2A0305

    #2A0305

    oklch(18.7% 0.066 22.7)

  • #001900

    #001900

    oklch(18.5% 0.063 142.5)

  • #041030

    #041030

    oklch(18.6% 0.067 263.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A0305

    #2A0305

    oklch(18.7% 0.066 22.7)

  • #131500

    #131500

    oklch(18.7% 0.042 114.1)

  • #001719

    #001719

    oklch(18.6% 0.032 202.2)

  • #150B2D

    #150B2D

    oklch(18.7% 0.065 292.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A0305, closest first.

Similar named colors

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

Use #2A0305 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.