#0B031B

Closest named color: Midnight (#03012D). oklch(13.5% 0.054 296.6), rgb(11, 3, 27).

Aa

White text reads best on this color (20.13:1).

About this color

#0B031B is a very dark, muted purple. In OKLCH its lightness is 14%, its chroma 0.054 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.046 away. White text reads best on it, at 20.13:1.

Hue familyPurples
Lightnessvery dark (14%)
Chromamuted (0.054)
Temperaturein between
Nearest nameMidnight (#03012D)
Black text1.04:1
White text20.13:1

Values

HEX#0B031B
RGBrgb(11, 3, 27)
HSLhsl(260, 80%, 6%)
OKLCHoklch(13.5% 0.054 296.6)

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 #0B031B 20.13:1 AAA Lc -107.7 Preferred for body text
Black text on #0B031B 1.04:1 Fails Lc 0.0 Not readable
#0B031B text on white 20.13:1 AAA Lc 105.8 Preferred for body text
#0B031B text on black 1.04:1 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

    #F6F4FB

    oklch(97.1% 0.009 299.2)

  2. Step 100

    100

    #EBE8F5

    oklch(93.7% 0.018 296.6)

  3. Step 200

    200

    #DBD5EE

    oklch(88.5% 0.035 296.7)

  4. Step 300

    300

    #C4B9E6

    oklch(81% 0.064 296.2)

  5. Step 400

    400

    #A793D9

    oklch(70.7% 0.102 296.8)

  6. Step 500

    500

    #9277CE

    oklch(63.1% 0.13 296.8)

  7. Step 600

    600

    #7D5EBB

    oklch(55.6% 0.142 296.9)

  8. Step 700

    700

    #694DA2

    oklch(49.1% 0.133 296.4)

  9. Step 800

    800

    #564083

    oklch(42.8% 0.109 296.7)

  10. Step 900

    900

    #463769

    oklch(37.7% 0.084 295.9)

  11. Step 950

    950 (this color)

    #0B031B

    oklch(13.5% 0.054 296.6)

Export this scale for Tailwind in the Tailwind colors tool

#0B031B 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)#00071C0.034
Deuteranopia (no green cones)#00071A0.035
Tritanopia (no blue cones)#07070D0.040
Achromatopsia (no color)#0707070.054

Harmonies

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

Complementary

The opposite hue (180°).

  • #0B031B

    #0B031B

    oklch(13.5% 0.054 296.6)

  • #080A00

    #080A00

    oklch(13.7% 0.032 116.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0B031B

    #0B031B

    oklch(13.5% 0.054 296.6)

  • #02061E

    #02061E

    oklch(13.7% 0.054 266.6)

  • #130113

    #130113

    oklch(13.5% 0.055 328.1)

Open the analogous palette in the generator

Split complementary

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

  • #0B031B

    #0B031B

    oklch(13.5% 0.054 296.6)

  • #0D0700

    #0D0700

    oklch(13.4% 0.027 84.6)

  • #000C01

    #000C01

    oklch(13.4% 0.041 145.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0B031B

    #0B031B

    oklch(13.5% 0.054 296.6)

  • #120500

    #120500

    oklch(13.6% 0.033 57)

  • #000B08

    #000B08

    oklch(13.4% 0.025 178.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0B031B

    #0B031B

    oklch(13.5% 0.054 296.6)

  • #190001

    #190001

    oklch(13.5% 0.054 23.9)

  • #080A00

    #080A00

    oklch(13.7% 0.032 116.4)

  • #000B0D

    #000B0D

    oklch(13.7% 0.023 205.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0B031B, closest first.

Similar named colors

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

Use #0B031B 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.