#2B031A

Closest named color: Very Dark Purple (#2A0134). oklch(19.7% 0.073 349.6), rgb(43, 3, 26).

Aa

White text reads best on this color (18.57:1).

About this color

#2B031A is a very dark, moderately saturated red. In OKLCH its lightness is 20%, its chroma 0.073 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.054 away. White text reads best on it, at 18.57:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamoderately saturated (0.073)
Temperaturewarm
Nearest nameVery Dark Purple (#2A0134)
Black text1.13:1
White text18.57:1

Values

HEX#2B031A
RGBrgb(43, 3, 26)
HSLhsl(326, 87%, 9%)
OKLCHoklch(19.7% 0.073 349.6)

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 #2B031A 18.57:1 AAA Lc -106.8 Preferred for body text
Black text on #2B031A 1.13:1 Fails Lc 0.0 Not readable
#2B031A text on white 18.57:1 AAA Lc 104.6 Preferred for body text
#2B031A 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

    #FCF2F6

    oklch(97% 0.012 351)

  2. Step 100

    100

    #F8E3EC

    oklch(93.5% 0.026 349.8)

  3. Step 200

    200

    #F3CDDE

    oklch(88.5% 0.048 349.4)

  4. Step 300

    300

    #ECAAC9

    oklch(80.9% 0.087 349.4)

  5. Step 400

    400

    #DF7AAD

    oklch(70.6% 0.138 349.6)

  6. Step 500

    500

    #D35399

    oklch(63% 0.177 349.5)

  7. Step 600

    600

    #BE3284

    oklch(55.5% 0.192 349.3)

  8. Step 700

    700

    #A4226F

    oklch(49.1% 0.179 349.8)

  9. Step 800

    800

    #85205B

    oklch(42.7% 0.148 349.4)

  10. Step 900

    900

    #6B214A

    oklch(37.6% 0.115 349.8)

  11. Step 950

    950 (this color)

    #2B031A

    oklch(19.7% 0.073 349.6)

Export this scale for Tailwind in the Tailwind colors tool

#2B031A 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)#080E1B0.083
Deuteranopia (no green cones)#1516190.072
Tritanopia (no blue cones)#2F020D0.028
Achromatopsia (no color)#1313130.074

Harmonies

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

Complementary

The opposite hue (180°).

  • #2B031A

    #2B031A

    oklch(19.7% 0.073 349.6)

  • #001B12

    #001B12

    oklch(19.7% 0.04 168.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2B031A

    #2B031A

    oklch(19.7% 0.073 349.6)

  • #230729

    #230729

    oklch(19.8% 0.072 320.1)

  • #2F0207

    #2F0207

    oklch(19.7% 0.074 19.6)

Open the analogous palette in the generator

Split complementary

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

  • #2B031A

    #2B031A

    oklch(19.7% 0.073 349.6)

  • #041B00

    #041B00

    oklch(19.5% 0.062 139.2)

  • #001A1B

    #001A1B

    oklch(19.8% 0.034 198.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2B031A

    #2B031A

    oklch(19.7% 0.073 349.6)

  • #171700

    #171700

    oklch(19.8% 0.043 109.8)

  • #001823

    #001823

    oklch(19.6% 0.039 229.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2B031A

    #2B031A

    oklch(19.7% 0.073 349.6)

  • #1F1300

    #1F1300

    oklch(19.8% 0.041 80.2)

  • #001B12

    #001B12

    oklch(19.7% 0.04 168.3)

  • #011335

    #011335

    oklch(19.7% 0.072 259.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B031A, closest first.

Similar named colors

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

Use #2B031A 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.