#02192B

Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.047 244.3), rgb(2, 25, 43).

Aa

White text reads best on this color (17.84:1).

About this color

#02192B is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.047 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.017 away. White text reads best on it, at 17.84:1.

Hue familyBlues
Lightnessvery dark (21%)
Chromamuted (0.047)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.17:1
White text17.84:1

Values

HEX#02192B
RGBrgb(2, 25, 43)
HSLhsl(206, 91%, 9%)
OKLCHoklch(20.6% 0.047 244.3)

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 #02192B 17.84:1 AAA Lc -106.7 Preferred for body text
Black text on #02192B 1.17:1 Fails Lc 0.0 Not readable
#02192B text on white 17.84:1 AAA Lc 104.4 Preferred for body text
#02192B text on black 1.17:1 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

    #F1F6FA

    oklch(97.1% 0.008 241.7)

  2. Step 100

    100

    #E1EBF4

    oklch(93.5% 0.016 245.1)

  3. Step 200

    200

    #C9DCED

    oklch(88.6% 0.031 245.1)

  4. Step 300

    300

    #A3C5E3

    oklch(80.9% 0.056 245.2)

  5. Step 400

    400

    #6FA7D4

    oklch(70.7% 0.089 243.7)

  6. Step 500

    500

    #4690C9

    oklch(63.1% 0.113 244.3)

  7. Step 600

    600

    #2179B6

    oklch(55.6% 0.124 244.4)

  8. Step 700

    700

    #12669D

    oklch(49.2% 0.115 244.4)

  9. Step 800

    800

    #14537F

    oklch(42.7% 0.095 244.6)

  10. Step 900

    900

    #194566

    oklch(37.7% 0.074 244.5)

  11. Step 950

    950 (this color)

    #02192B

    oklch(20.6% 0.047 244.3)

Export this scale for Tailwind in the Tailwind colors tool

#02192B 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)#101A2C0.020
Deuteranopia (no green cones)#0A162B0.014
Tritanopia (no blue cones)#001D1F0.032
Achromatopsia (no color)#1717170.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #02192B

    #02192B

    oklch(20.6% 0.047 244.3)

  • #261200

    #261200

    oklch(20.7% 0.047 63.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #02192B

    #02192B

    oklch(20.6% 0.047 244.3)

  • #001B21

    #001B21

    oklch(20.4% 0.036 214.3)

  • #11152C

    #11152C

    oklch(20.5% 0.046 274.2)

Open the analogous palette in the generator

Split complementary

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

  • #02192B

    #02192B

    oklch(20.6% 0.047 244.3)

  • #290E08

    #290E08

    oklch(20.5% 0.047 34.1)

  • #1E1700

    #1E1700

    oklch(20.7% 0.042 94.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #02192B

    #02192B

    oklch(20.6% 0.047 244.3)

  • #280D15

    #280D15

    oklch(20.5% 0.046 3.4)

  • #131B02

    #131B02

    oklch(20.7% 0.047 124.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #02192B

    #02192B

    oklch(20.6% 0.047 244.3)

  • #240E20

    #240E20

    oklch(20.6% 0.048 334.4)

  • #261200

    #261200

    oklch(20.7% 0.047 63.8)

  • #021D0D

    #021D0D

    oklch(20.4% 0.047 154.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #02192B, closest first.

Similar named colors

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

Use #02192B 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.