#0D112A

Closest named color: Rich Black (#0D1B2A). oklch(19% 0.051 273.8), rgb(13, 17, 42).

Aa

White text reads best on this color (18.57:1).

About this color

#0D112A is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.051 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 18.57:1.

Hue familyBlues
Lightnessvery dark (19%)
Chromamuted (0.051)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.13:1
White text18.57:1

Values

HEX#0D112A
RGBrgb(13, 17, 42)
HSLhsl(232, 53%, 11%)
OKLCHoklch(19% 0.051 273.8)

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 #0D112A 18.57:1 AAA Lc -107.2 Preferred for body text
Black text on #0D112A 1.13:1 Fails Lc 0.0 Not readable
#0D112A text on white 18.57:1 AAA Lc 105.1 Preferred for body text
#0D112A text on black 1.13:1 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

    #F4F5FB

    oklch(97.1% 0.008 278.6)

  2. Step 100

    100

    #E6E9F6

    oklch(93.6% 0.018 275.6)

  3. Step 200

    200

    #D2D8F0

    oklch(88.5% 0.034 274.5)

  4. Step 300

    300

    #B4BFE8

    oklch(81% 0.059 273.2)

  5. Step 400

    400

    #8E9CDD

    oklch(70.7% 0.097 274.3)

  6. Step 500

    500

    #7283D3

    oklch(63.1% 0.122 273.3)

  7. Step 600

    600

    #5C6BC0

    oklch(55.6% 0.132 273.8)

  8. Step 700

    700

    #4C59A6

    oklch(49.2% 0.123 273.8)

  9. Step 800

    800

    #3E4986

    oklch(42.7% 0.102 273.6)

  10. Step 900

    900

    #343D6C

    oklch(37.6% 0.081 273.7)

  11. Step 950

    950 (this color)

    #0D112A

    oklch(19% 0.051 273.8)

Export this scale for Tailwind in the Tailwind colors tool

#0D112A 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)#06142B0.013
Deuteranopia (no green cones)#0312290.016
Tritanopia (no blue cones)#02171B0.045
Achromatopsia (no color)#1313130.051

Harmonies

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

Complementary

The opposite hue (180°).

  • #0D112A

    #0D112A

    oklch(19% 0.051 273.8)

  • #1A1300

    #1A1300

    oklch(19% 0.039 92.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0D112A

    #0D112A

    oklch(19% 0.051 273.8)

  • #001527

    #001527

    oklch(18.9% 0.047 244.7)

  • #190D26

    #190D26

    oklch(19.1% 0.051 304.2)

Open the analogous palette in the generator

Split complementary

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

  • #0D112A

    #0D112A

    oklch(19% 0.051 273.8)

  • #210F00

    #210F00

    oklch(19.1% 0.043 64.1)

  • #101700

    #101700

    oklch(19% 0.047 123.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0D112A

    #0D112A

    oklch(19% 0.051 273.8)

  • #260904

    #260904

    oklch(18.9% 0.051 34.3)

  • #001A09

    #001A09

    oklch(19.1% 0.049 153.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0D112A

    #0D112A

    oklch(19% 0.051 273.8)

  • #250811

    #250811

    oklch(18.9% 0.05 3.8)

  • #1A1300

    #1A1300

    oklch(19% 0.039 92.2)

  • #001915

    #001915

    oklch(19.1% 0.034 181.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0D112A, closest first.

Similar named colors

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

Use #0D112A 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.