#120B23

Closest named color: Rich Navy (#001219). oklch(17.4% 0.048 294.3), rgb(18, 11, 35).

Aa

White text reads best on this color (19.12:1).

About this color

#120B23 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.048 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.049 away. White text reads best on it, at 19.12:1.

Hue familyPurples
Lightnessvery dark (17%)
Chromamuted (0.048)
Temperaturein between
Nearest nameRich Navy (#001219)
Black text1.09:1
White text19.12:1

Values

HEX#120B23
RGBrgb(18, 11, 35)
HSLhsl(258, 52%, 9%)
OKLCHoklch(17.4% 0.048 294.3)

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 #120B23 19.12:1 AAA Lc -107.4 Preferred for body text
Black text on #120B23 1.09:1 Fails Lc 0.0 Not readable
#120B23 text on white 19.12:1 AAA Lc 105.4 Preferred for body text
#120B23 text on black 1.09:1 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

    #F5F4FA

    oklch(97% 0.008 293.9)

  2. Step 100

    100

    #EAE8F4

    oklch(93.6% 0.016 293.7)

  3. Step 200

    200

    #DAD6ED

    oklch(88.6% 0.032 293.7)

  4. Step 300

    300

    #C2BAE3

    oklch(80.9% 0.058 294)

  5. Step 400

    400

    #A496D4

    oklch(70.8% 0.09 294.3)

  6. Step 500

    500

    #8E7AC9

    oklch(63% 0.118 294.4)

  7. Step 600

    600

    #7962B5

    oklch(55.6% 0.127 294.7)

  8. Step 700

    700

    #66519C

    oklch(49.1% 0.118 294.6)

  9. Step 800

    800

    #53437F

    oklch(42.8% 0.098 294.2)

  10. Step 900

    900

    #443966

    oklch(37.8% 0.076 293.7)

  11. Step 950

    950 (this color)

    #120B23

    oklch(17.4% 0.048 294.3)

Export this scale for Tailwind in the Tailwind colors tool

#120B23 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)#0310240.031
Deuteranopia (no green cones)#040F220.029
Tritanopia (no blue cones)#0E10150.039
Achromatopsia (no color)#0F0F0F0.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #120B23

    #120B23

    oklch(17.4% 0.048 294.3)

  • #101200

    #101200

    oklch(17.4% 0.039 114.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #120B23

    #120B23

    oklch(17.4% 0.048 294.3)

  • #060F25

    #060F25

    oklch(17.4% 0.048 264.3)

  • #1A081C

    #1A081C

    oklch(17.4% 0.048 323.5)

Open the analogous palette in the generator

Split complementary

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

  • #120B23

    #120B23

    oklch(17.4% 0.048 294.3)

  • #180F00

    #180F00

    oklch(17.6% 0.036 84.2)

  • #021503

    #021503

    oklch(17.2% 0.048 144.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #120B23

    #120B23

    oklch(17.4% 0.048 294.3)

  • #1E0A00

    #1E0A00

    oklch(17.4% 0.043 55)

  • #00150F

    #00150F

    oklch(17.5% 0.033 173.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #120B23

    #120B23

    oklch(17.4% 0.048 294.3)

  • #220606

    #220606

    oklch(17.5% 0.049 23.7)

  • #101200

    #101200

    oklch(17.4% 0.039 114.5)

  • #001416

    #001416

    oklch(17.4% 0.03 202.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #120B23, closest first.

Similar named colors

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

Use #120B23 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.