#1B0D2A

Closest named color: Midnight Purple (#280137). oklch(19.6% 0.058 303.8), rgb(27, 13, 42).

Aa

White text reads best on this color (18.45:1).

About this color

#1B0D2A is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.058 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.047 away. White text reads best on it, at 18.45:1.

Hue familyPurples
Lightnessvery dark (20%)
Chromamuted (0.058)
Temperaturein between
Nearest nameMidnight Purple (#280137)
Black text1.13:1
White text18.45:1

Values

HEX#1B0D2A
RGBrgb(27, 13, 42)
HSLhsl(269, 53%, 11%)
OKLCHoklch(19.6% 0.058 303.8)

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 #1B0D2A 18.45:1 AAA Lc -107.1 Preferred for body text
Black text on #1B0D2A 1.13:1 Fails Lc 0.0 Not readable
#1B0D2A text on white 18.45:1 AAA Lc 104.9 Preferred for body text
#1B0D2A 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

    #F7F4FB

    oklch(97.1% 0.01 305.4)

  2. Step 100

    100

    #ECE7F5

    oklch(93.6% 0.019 302.2)

  3. Step 200

    200

    #DED3EE

    oklch(88.4% 0.038 304)

  4. Step 300

    300

    #CAB6E5

    oklch(80.9% 0.069 304.3)

  5. Step 400

    400

    #AF8FD8

    oklch(70.6% 0.109 303.9)

  6. Step 500

    500

    #9C72CE

    oklch(63.2% 0.14 303.7)

  7. Step 600

    600

    #8758BA

    oklch(55.5% 0.152 304)

  8. Step 700

    700

    #7248A1

    oklch(49.1% 0.141 303.4)

  9. Step 800

    800

    #5D3B82

    oklch(42.6% 0.117 304)

  10. Step 900

    900

    #4C3468

    oklch(37.7% 0.09 303.7)

  11. Step 950

    950 (this color)

    #1B0D2A

    oklch(19.6% 0.058 303.8)

Export this scale for Tailwind in the Tailwind colors tool

#1B0D2A 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)#04132B0.044
Deuteranopia (no green cones)#0714290.041
Tritanopia (no blue cones)#1813190.044
Achromatopsia (no color)#1414140.058

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B0D2A

    #1B0D2A

    oklch(19.6% 0.058 303.8)

  • #111900

    #111900

    oklch(19.8% 0.049 124)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B0D2A

    #1B0D2A

    oklch(19.6% 0.058 303.8)

  • #0E122F

    #0E122F

    oklch(19.8% 0.058 274)

  • #240920

    #240920

    oklch(19.7% 0.058 333.7)

Open the analogous palette in the generator

Split complementary

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

  • #1B0D2A

    #1B0D2A

    oklch(19.6% 0.058 303.8)

  • #1B1500

    #1B1500

    oklch(19.7% 0.041 95.6)

  • #001B0A

    #001B0A

    oklch(19.5% 0.049 154)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B0D2A

    #1B0D2A

    oklch(19.6% 0.058 303.8)

  • #231000

    #231000

    oklch(19.7% 0.045 63.4)

  • #001A17

    #001A17

    oklch(19.6% 0.035 184.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B0D2A

    #1B0D2A

    oklch(19.6% 0.058 303.8)

  • #2A0903

    #2A0903

    oklch(19.7% 0.057 35.3)

  • #111900

    #111900

    oklch(19.8% 0.049 124)

  • #00191F

    #00191F

    oklch(19.6% 0.035 215.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B0D2A, closest first.

Similar named colors

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

Use #1B0D2A 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.