#010D1C

Closest named color: Rich Navy (#001219). oklch(15.6% 0.039 249.2), rgb(1, 13, 28).

Aa

White text reads best on this color (19.52:1).

About this color

#010D1C is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.039 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.022 away. White text reads best on it, at 19.52:1.

Hue familyBlues
Lightnessvery dark (16%)
Chromamuted (0.039)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.07:1
White text19.52:1

Values

HEX#010D1C
RGBrgb(1, 13, 28)
HSLhsl(213, 93%, 6%)
OKLCHoklch(15.6% 0.039 249.2)

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 #010D1C 19.52:1 AAA Lc -107.6 Preferred for body text
Black text on #010D1C 1.07:1 Fails Lc 0.0 Not readable
#010D1C text on white 19.52:1 AAA Lc 105.6 Preferred for body text
#010D1C text on black 1.07:1 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

    #F2F6F9

    oklch(97.1% 0.006 239.8)

  2. Step 100

    100

    #E3EBF3

    oklch(93.6% 0.014 248)

  3. Step 200

    200

    #CDDBEA

    oklch(88.5% 0.026 250)

  4. Step 300

    300

    #AAC4DE

    oklch(80.9% 0.046 248.4)

  5. Step 400

    400

    #7DA5CD

    oklch(70.8% 0.073 248.9)

  6. Step 500

    500

    #5B8EC0

    oklch(63.2% 0.094 249)

  7. Step 600

    600

    #3F77AD

    oklch(55.6% 0.103 249.4)

  8. Step 700

    700

    #316494

    oklch(49.1% 0.095 249.1)

  9. Step 800

    800

    #295278

    oklch(42.7% 0.079 248.5)

  10. Step 900

    900

    #264461

    oklch(37.7% 0.062 249)

  11. Step 950

    950 (this color)

    #010D1C

    oklch(15.6% 0.039 249.2)

Export this scale for Tailwind in the Tailwind colors tool

#010D1C 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)#060E1D0.013
Deuteranopia (no green cones)#030B1C0.008
Tritanopia (no blue cones)#0011130.029
Achromatopsia (no color)#0C0C0C0.039

Harmonies

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

Complementary

The opposite hue (180°).

  • #010D1C

    #010D1C

    oklch(15.6% 0.039 249.2)

  • #150900

    #150900

    oklch(15.4% 0.034 69.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #010D1C

    #010D1C

    oklch(15.6% 0.039 249.2)

  • #000F14

    #000F14

    oklch(15.5% 0.028 217.4)

  • #090A1C

    #090A1C

    oklch(15.6% 0.038 278.5)

Open the analogous palette in the generator

Split complementary

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

  • #010D1C

    #010D1C

    oklch(15.6% 0.039 249.2)

  • #1A0602

    #1A0602

    oklch(15.7% 0.039 39.1)

  • #100C00

    #100C00

    oklch(15.5% 0.032 97.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #010D1C

    #010D1C

    oklch(15.6% 0.039 249.2)

  • #1A0509

    #1A0509

    oklch(15.7% 0.04 8.9)

  • #070F01

    #070F01

    oklch(15.4% 0.037 129.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #010D1C

    #010D1C

    oklch(15.6% 0.039 249.2)

  • #170612

    #170612

    oklch(15.8% 0.038 339.3)

  • #150900

    #150900

    oklch(15.4% 0.034 69.4)

  • #001107

    #001107

    oklch(15.7% 0.036 159)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #010D1C, closest first.

Similar named colors

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

Use #010D1C 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.