#031222

Closest named color: Rich Navy (#001219). oklch(17.8% 0.04 249.5), rgb(3, 18, 34).

Aa

White text reads best on this color (18.85:1).

About this color

#031222 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.040 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.021 away. White text reads best on it, at 18.85:1.

Hue familyBlues
Lightnessvery dark (18%)
Chromamuted (0.040)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.11:1
White text18.85:1

Values

HEX#031222
RGBrgb(3, 18, 34)
HSLhsl(211, 84%, 7%)
OKLCHoklch(17.8% 0.04 249.5)

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 #031222 18.85:1 AAA Lc -107.3 Preferred for body text
Black text on #031222 1.11:1 Fails Lc 0.0 Not readable
#031222 text on white 18.85:1 AAA Lc 105.2 Preferred for body text
#031222 text on black 1.11:1 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

    #F2F6FA

    oklch(97.1% 0.007 247.9)

  2. Step 100

    100

    #E3EBF3

    oklch(93.6% 0.014 248)

  3. Step 200

    200

    #CCDBEA

    oklch(88.5% 0.026 248.1)

  4. Step 300

    300

    #AAC4DF

    oklch(81% 0.048 249.4)

  5. Step 400

    400

    #7CA5CF

    oklch(70.8% 0.076 249.5)

  6. Step 500

    500

    #598EC2

    oklch(63.1% 0.097 249.2)

  7. Step 600

    600

    #3E77AF

    oklch(55.6% 0.106 249.9)

  8. Step 700

    700

    #2F6496

    oklch(49.1% 0.098 249.3)

  9. Step 800

    800

    #28527A

    oklch(42.8% 0.082 249.3)

  10. Step 900

    900

    #254462

    oklch(37.7% 0.064 249.1)

  11. Step 950

    950 (this color)

    #031222

    oklch(17.8% 0.04 249.5)

Export this scale for Tailwind in the Tailwind colors tool

#031222 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)#0B13230.014
Deuteranopia (no green cones)#0610220.008
Tritanopia (no blue cones)#0016180.030
Achromatopsia (no color)#1111110.040

Harmonies

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

Complementary

The opposite hue (180°).

  • #031222

    #031222

    oklch(17.8% 0.04 249.5)

  • #1C0D00

    #1C0D00

    oklch(17.7% 0.039 67.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #031222

    #031222

    oklch(17.8% 0.04 249.5)

  • #00141B

    #00141B

    oklch(17.7% 0.033 221.3)

  • #0E0F22

    #0E0F22

    oklch(17.9% 0.039 279.4)

Open the analogous palette in the generator

Split complementary

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

  • #031222

    #031222

    oklch(17.8% 0.04 249.5)

  • #200A04

    #200A04

    oklch(17.9% 0.041 39.4)

  • #151100

    #151100

    oklch(17.7% 0.037 99.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #031222

    #031222

    oklch(17.8% 0.04 249.5)

  • #20090D

    #20090D

    oklch(18% 0.04 11.1)

  • #0B1402

    #0B1402

    oklch(17.6% 0.04 129.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #031222

    #031222

    oklch(17.8% 0.04 249.5)

  • #1C0917

    #1C0917

    oklch(17.7% 0.041 338.1)

  • #1C0D00

    #1C0D00

    oklch(17.7% 0.039 67.6)

  • #00160B

    #00160B

    oklch(17.7% 0.039 160.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #031222, closest first.

Similar named colors

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

Use #031222 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.