#0D1429

Closest named color: Rich Black (#0D1B2A). oklch(19.7% 0.044 268.3), rgb(13, 20, 41).

Aa

White text reads best on this color (18.27:1).

About this color

#0D1429 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.044 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 18.27:1.

Hue familyBlues
Lightnessvery dark (20%)
Chromamuted (0.044)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.14:1
White text18.27:1

Values

HEX#0D1429
RGBrgb(13, 20, 41)
HSLhsl(225, 52%, 11%)
OKLCHoklch(19.7% 0.044 268.3)

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 #0D1429 18.27:1 AAA Lc -107.0 Preferred for body text
Black text on #0D1429 1.14:1 Fails Lc 0.0 Not readable
#0D1429 text on white 18.27:1 AAA Lc 104.9 Preferred for body text
#0D1429 text on black 1.14:1 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

    #F3F5FA

    oklch(97% 0.007 268.5)

  2. Step 100

    100

    #E5EAF4

    oklch(93.6% 0.015 264.5)

  3. Step 200

    200

    #D1D9ED

    oklch(88.5% 0.029 268.3)

  4. Step 300

    300

    #B2C0E3

    oklch(80.9% 0.052 268)

  5. Step 400

    400

    #8B9FD5

    oklch(70.7% 0.083 268.6)

  6. Step 500

    500

    #6E86CA

    oklch(63% 0.107 268.5)

  7. Step 600

    600

    #576FB7

    oklch(55.6% 0.116 268.5)

  8. Step 700

    700

    #475D9D

    oklch(49.2% 0.106 268)

  9. Step 800

    800

    #3A4C7F

    oklch(42.7% 0.088 267.9)

  10. Step 900

    900

    #324066

    oklch(37.8% 0.068 267.7)

  11. Step 950

    950 (this color)

    #0D1429

    oklch(19.7% 0.044 268.3)

Export this scale for Tailwind in the Tailwind colors tool

#0D1429 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)#0B162A0.007
Deuteranopia (no green cones)#0814290.007
Tritanopia (no blue cones)#02191C0.040
Achromatopsia (no color)#1515150.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #0D1429

    #0D1429

    oklch(19.7% 0.044 268.3)

  • #1D1400

    #1D1400

    oklch(19.7% 0.04 87.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0D1429

    #0D1429

    oklch(19.7% 0.044 268.3)

  • #001827

    #001827

    oklch(19.8% 0.044 237.9)

  • #181026

    #181026

    oklch(19.6% 0.044 299.1)

Open the analogous palette in the generator

Split complementary

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

  • #0D1429

    #0D1429

    oklch(19.7% 0.044 268.3)

  • #241001

    #241001

    oklch(19.9% 0.044 59.5)

  • #141801

    #141801

    oklch(19.8% 0.044 117.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0D1429

    #0D1429

    oklch(19.7% 0.044 268.3)

  • #260D0A

    #260D0A

    oklch(19.8% 0.043 28.5)

  • #051B0A

    #051B0A

    oklch(19.8% 0.044 149.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0D1429

    #0D1429

    oklch(19.7% 0.044 268.3)

  • #250C15

    #250C15

    oklch(19.8% 0.044 359.2)

  • #1D1400

    #1D1400

    oklch(19.7% 0.04 87.9)

  • #001B15

    #001B15

    oklch(19.8% 0.037 176)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0D1429, closest first.

Similar named colors

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

Use #0D1429 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.