#2B1A4E

Closest named color: Dark Indigo (#1F0954). oklch(27.2% 0.092 294.6), rgb(43, 26, 78).

Aa

White text reads best on this color (15.43:1).

About this color

#2B1A4E is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.092 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.047 away. White text reads best on it, at 15.43:1.

Hue familyPurples
Lightnessdark (27%)
Chromamoderately saturated (0.092)
Temperaturein between
Nearest nameDark Indigo (#1F0954)
Black text1.36:1
White text15.43:1

Values

HEX#2B1A4E
RGBrgb(43, 26, 78)
HSLhsl(260, 50%, 20%)
OKLCHoklch(27.2% 0.092 294.6)

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 #2B1A4E 15.43:1 AAA Lc -104.9 Preferred for body text
Black text on #2B1A4E 1.36:1 Fails Lc 0.0 Not readable
#2B1A4E text on white 15.43:1 AAA Lc 102.1 Preferred for body text
#2B1A4E text on black 1.36:1 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

    #F6F4FF

    oklch(97.2% 0.015 294.5)

  2. Step 100

    100

    #EBE6FD

    oklch(93.6% 0.031 295.8)

  3. Step 200

    200

    #DBD2FE

    oklch(88.5% 0.061 294.5)

  4. Step 300

    300

    #C5B3FF

    oklch(80.9% 0.107 294.8)

  5. Step 400

    400

    #A987FF

    oklch(70.7% 0.172 294.7)

  6. Step 500

    500

    #9662FE

    oklch(63% 0.221 294.6)

  7. Step 600

    600

    #8341EE

    oklch(55.7% 0.241 294.6)

  8. Step 700

    700

    #6F30CF

    oklch(49.1% 0.224 294.6)

  9. Step 800

    800

    #5A2AA7

    oklch(42.6% 0.186 294.7)

  10. Step 900

    900

    #492984

    oklch(37.6% 0.144 294.6)

  11. Step 950

    950 (this color)

    #2B1A4E

    oklch(27.2% 0.092 294.6)

Export this scale for Tailwind in the Tailwind colors tool

#2B1A4E 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)#0025500.061
Deuteranopia (no green cones)#01244D0.060
Tritanopia (no blue cones)#2226310.073
Achromatopsia (no color)#2424240.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #2B1A4E

    #2B1A4E

    oklch(27.2% 0.092 294.6)

  • #262A00

    #262A00

    oklch(27.2% 0.062 115.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2B1A4E

    #2B1A4E

    oklch(27.2% 0.092 294.6)

  • #0F2353

    #0F2353

    oklch(27.2% 0.092 264.2)

  • #3C123F

    #3C123F

    oklch(27.2% 0.092 325)

Open the analogous palette in the generator

Split complementary

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

  • #2B1A4E

    #2B1A4E

    oklch(27.2% 0.092 294.6)

  • #332400

    #332400

    oklch(27.1% 0.056 85)

  • #003106

    #003106

    oklch(27.2% 0.086 144.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2B1A4E

    #2B1A4E

    oklch(27.2% 0.092 294.6)

  • #3F1C00

    #3F1C00

    oklch(27.2% 0.067 55)

  • #002F25

    #002F25

    oklch(27.2% 0.052 174)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2B1A4E

    #2B1A4E

    oklch(27.2% 0.092 294.6)

  • #4A0D0E

    #4A0D0E

    oklch(27.2% 0.091 24.9)

  • #262A00

    #262A00

    oklch(27.2% 0.062 115.2)

  • #002D31

    #002D31

    oklch(27.1% 0.046 204.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B1A4E, closest first.

Similar named colors

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

Use #2B1A4E 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.