#0B0721

Closest named color: Midnight (#03012D). oklch(15.4% 0.053 285.9), rgb(11, 7, 33).

Aa

White text reads best on this color (19.68:1).

About this color

#0B0721 is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.053 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.041 away. White text reads best on it, at 19.68:1.

Hue familyPurples
Lightnessvery dark (15%)
Chromamuted (0.053)
Temperaturecool
Nearest nameMidnight (#03012D)
Black text1.06:1
White text19.68:1

Values

HEX#0B0721
RGBrgb(11, 7, 33)
HSLhsl(249, 65%, 8%)
OKLCHoklch(15.4% 0.053 285.9)

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 #0B0721 19.68:1 AAA Lc -107.6 Preferred for body text
Black text on #0B0721 1.06:1 Fails Lc 0.0 Not readable
#0B0721 text on white 19.68:1 AAA Lc 105.7 Preferred for body text
#0B0721 text on black 1.06:1 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

    #F5F5FB

    oklch(97.2% 0.008 286.3)

  2. Step 100

    100

    #E8E8F6

    oklch(93.5% 0.019 286)

  3. Step 200

    200

    #D6D6F0

    oklch(88.4% 0.036 285.7)

  4. Step 300

    300

    #BCBBE8

    oklch(80.8% 0.063 285.9)

  5. Step 400

    400

    #9B97DD

    oklch(70.7% 0.101 286.1)

  6. Step 500

    500

    #837CD3

    oklch(63% 0.129 285.8)

  7. Step 600

    600

    #6E64C0

    oklch(55.6% 0.139 285.9)

  8. Step 700

    700

    #5C52A6

    oklch(49% 0.13 286)

  9. Step 800

    800

    #4B4486

    oklch(42.7% 0.106 285.8)

  10. Step 900

    900

    #3E3A6C

    oklch(37.8% 0.084 285.3)

  11. Step 950

    950 (this color)

    #0B0721

    oklch(15.4% 0.053 285.9)

Export this scale for Tailwind in the Tailwind colors tool

#0B0721 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)#000C220.028
Deuteranopia (no green cones)#000A200.027
Tritanopia (no blue cones)#040D120.045
Achromatopsia (no color)#0B0B0B0.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #0B0721

    #0B0721

    oklch(15.4% 0.053 285.9)

  • #0E0D00

    #0E0D00

    oklch(15.5% 0.033 106.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0B0721

    #0B0721

    oklch(15.4% 0.053 285.9)

  • #000B21

    #000B21

    oklch(15.3% 0.052 255.8)

  • #14041B

    #14041B

    oklch(15.3% 0.054 315)

Open the analogous palette in the generator

Split complementary

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

  • #0B0721

    #0B0721

    oklch(15.4% 0.053 285.9)

  • #140A00

    #140A00

    oklch(15.5% 0.033 76.4)

  • #041000

    #041000

    oklch(15.4% 0.045 135.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0B0721

    #0B0721

    oklch(15.4% 0.053 285.9)

  • #1A0500

    #1A0500

    oklch(15.3% 0.044 45.1)

  • #001009

    #001009

    oklch(15.4% 0.032 166.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0B0721

    #0B0721

    oklch(15.4% 0.053 285.9)

  • #1E0205

    #1E0205

    oklch(15.6% 0.053 16.5)

  • #0E0D00

    #0E0D00

    oklch(15.5% 0.033 106.8)

  • #000F10

    #000F10

    oklch(15.3% 0.026 199.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0B0721, closest first.

Similar named colors

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

Use #0B0721 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.