#031028

Closest named color: Rich Navy (#001219). oklch(17.7% 0.054 259.1), rgb(3, 16, 40).

Aa

White text reads best on this color (18.94:1).

About this color

#031028 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.054 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.035 away. White text reads best on it, at 18.94:1.

Hue familyBlues
Lightnessvery dark (18%)
Chromamuted (0.054)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.10:1
White text18.94:1

Values

HEX#031028
RGBrgb(3, 16, 40)
HSLhsl(219, 86%, 8%)
OKLCHoklch(17.7% 0.054 259.1)

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 #031028 18.94:1 AAA Lc -107.3 Preferred for body text
Black text on #031028 1.10:1 Fails Lc 0.0 Not readable
#031028 text on white 18.94:1 AAA Lc 105.2 Preferred for body text
#031028 text on black 1.10:1 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

    #F2F6FB

    oklch(97.2% 0.008 253.9)

  2. Step 100

    100

    #E3EAF6

    oklch(93.5% 0.018 261.3)

  3. Step 200

    200

    #CCDAF1

    oklch(88.5% 0.035 260.4)

  4. Step 300

    300

    #A8C2EA

    oklch(80.8% 0.064 258.9)

  5. Step 400

    400

    #7AA2E0

    oklch(70.8% 0.101 258.9)

  6. Step 500

    500

    #5889D7

    oklch(63.1% 0.13 259.3)

  7. Step 600

    600

    #3D72C4

    oklch(55.7% 0.14 258.9)

  8. Step 700

    700

    #2F5FAA

    oklch(49.2% 0.131 259.1)

  9. Step 800

    800

    #284E89

    oklch(42.8% 0.107 258.9)

  10. Step 900

    900

    #25416E

    oklch(37.7% 0.085 259.5)

  11. Step 950

    950 (this color)

    #031028

    oklch(17.7% 0.054 259.1)

Export this scale for Tailwind in the Tailwind colors tool

#031028 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)#0413290.011
Deuteranopia (no green cones)#000F280.008
Tritanopia (no blue cones)#00161A0.041
Achromatopsia (no color)#1111110.054

Harmonies

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

Complementary

The opposite hue (180°).

  • #031028

    #031028

    oklch(17.7% 0.054 259.1)

  • #1A0F00

    #1A0F00

    oklch(17.9% 0.037 79)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #031028

    #031028

    oklch(17.7% 0.054 259.1)

  • #00141D

    #00141D

    oklch(17.8% 0.035 227.3)

  • #110B27

    #110B27

    oklch(17.7% 0.055 289.4)

Open the analogous palette in the generator

Split complementary

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

  • #031028

    #031028

    oklch(17.7% 0.054 259.1)

  • #210900

    #210900

    oklch(17.8% 0.048 48.8)

  • #121200

    #121200

    oklch(17.6% 0.038 109.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #031028

    #031028

    oklch(17.7% 0.054 259.1)

  • #240507

    #240507

    oklch(17.8% 0.054 19.9)

  • #041601

    #041601

    oklch(17.7% 0.052 139.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #031028

    #031028

    oklch(17.7% 0.054 259.1)

  • #210515

    #210515

    oklch(17.7% 0.055 348)

  • #1A0F00

    #1A0F00

    oklch(17.9% 0.037 79)

  • #00160E

    #00160E

    oklch(17.8% 0.036 168)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #031028, closest first.

Similar named colors

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

Use #031028 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.