#140B21

Closest named color: Rich Navy (#001219). oklch(17.5% 0.045 300.7), rgb(20, 11, 33).

Aa

White text reads best on this color (19.09:1).

About this color

#140B21 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.045 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.050 away. White text reads best on it, at 19.09:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.045)
Temperaturein between
Nearest nameRich Navy (#001219)
Black text1.09:1
White text19.09:1

Values

HEX#140B21
RGBrgb(20, 11, 33)
HSLhsl(265, 50%, 9%)
OKLCHoklch(17.5% 0.045 300.7)

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 #140B21 19.09:1 AAA Lc -107.4 Preferred for body text
Black text on #140B21 1.09:1 Fails Lc 0.0 Not readable
#140B21 text on white 19.09:1 AAA Lc 105.4 Preferred for body text
#140B21 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

    #F6F4FA

    oklch(97% 0.008 301.4)

  2. Step 100

    100

    #EBE8F3

    oklch(93.7% 0.015 298.6)

  3. Step 200

    200

    #DCD5EA

    oklch(88.5% 0.029 301)

  4. Step 300

    300

    #C6B9DE

    oklch(80.8% 0.053 301.2)

  5. Step 400

    400

    #A994CE

    oklch(70.6% 0.086 300.8)

  6. Step 500

    500

    #9479C1

    oklch(63% 0.109 300.6)

  7. Step 600

    600

    #7F61AE

    oklch(55.6% 0.12 300.5)

  8. Step 700

    700

    #6B5095

    oklch(49% 0.11 300.4)

  9. Step 800

    800

    #584279

    oklch(42.8% 0.091 301.1)

  10. Step 900

    900

    #483861

    oklch(37.7% 0.071 301.1)

  11. Step 950

    950 (this color)

    #140B21

    oklch(17.5% 0.045 300.7)

Export this scale for Tailwind in the Tailwind colors tool

#140B21 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)#050F220.031
Deuteranopia (no green cones)#070F200.028
Tritanopia (no blue cones)#110F140.035
Achromatopsia (no color)#1010100.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #140B21

    #140B21

    oklch(17.5% 0.045 300.7)

  • #0E1300

    #0E1300

    oklch(17.5% 0.042 120.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #140B21

    #140B21

    oklch(17.5% 0.045 300.7)

  • #090F24

    #090F24

    oklch(17.6% 0.044 269.4)

  • #1B081A

    #1B081A

    oklch(17.5% 0.046 329.3)

Open the analogous palette in the generator

Split complementary

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

  • #140B21

    #140B21

    oklch(17.5% 0.045 300.7)

  • #161000

    #161000

    oklch(17.6% 0.036 93.2)

  • #011606

    #011606

    oklch(17.6% 0.045 150.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #140B21

    #140B21

    oklch(17.5% 0.045 300.7)

  • #1D0B00

    #1D0B00

    oklch(17.4% 0.041 59.4)

  • #001511

    #001511

    oklch(17.5% 0.032 179.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #140B21

    #140B21

    oklch(17.5% 0.045 300.7)

  • #210805

    #210805

    oklch(17.7% 0.045 30.9)

  • #0E1300

    #0E1300

    oklch(17.5% 0.042 120.7)

  • #001418

    #001418

    oklch(17.5% 0.03 210.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #140B21, closest first.

Similar named colors

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

Use #140B21 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.