#03111E

Closest named color: Rich Navy (#001219). oklch(17.2% 0.035 245.8), rgb(3, 17, 30).

Aa

White text reads best on this color (19.04:1).

About this color

#03111E is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.035 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.014 away. White text reads best on it, at 19.04:1.

Hue familyBlues
Lightnessvery dark (17%)
Chromamuted (0.035)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.10:1
White text19.04:1

Values

HEX#03111E
RGBrgb(3, 17, 30)
HSLhsl(209, 82%, 6%)
OKLCHoklch(17.2% 0.035 245.8)

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 #03111E 19.04:1 AAA Lc -107.4 Preferred for body text
Black text on #03111E 1.10:1 Fails Lc 0.0 Not readable
#03111E text on white 19.04:1 AAA Lc 105.4 Preferred for body text
#03111E 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

    #F2F6F9

    oklch(97.1% 0.006 239.8)

  2. Step 100

    100

    #E4EBF2

    oklch(93.7% 0.012 248)

  3. Step 200

    200

    #CDDBE8

    oklch(88.5% 0.023 246.1)

  4. Step 300

    300

    #ABC4DA

    oklch(80.9% 0.041 244.9)

  5. Step 400

    400

    #7FA5C8

    oklch(70.7% 0.066 246.7)

  6. Step 500

    500

    #5D8FBA

    oklch(63.2% 0.085 245.6)

  7. Step 600

    600

    #4278A6

    oklch(55.6% 0.092 246.2)

  8. Step 700

    700

    #33658E

    oklch(49.1% 0.085 245.5)

  9. Step 800

    800

    #2B5273

    oklch(42.5% 0.071 246)

  10. Step 900

    900

    #28445D

    oklch(37.6% 0.055 246.8)

  11. Step 950

    950 (this color)

    #03111E

    oklch(17.2% 0.035 245.8)

Export this scale for Tailwind in the Tailwind colors tool

#03111E 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)#0B111F0.014
Deuteranopia (no green cones)#070F1E0.010
Tritanopia (no blue cones)#0014160.024
Achromatopsia (no color)#1010100.035

Harmonies

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

Complementary

The opposite hue (180°).

  • #03111E

    #03111E

    oklch(17.2% 0.035 245.8)

  • #1A0C01

    #1A0C01

    oklch(17.1% 0.035 65.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #03111E

    #03111E

    oklch(17.2% 0.035 245.8)

  • #001318

    #001318

    oklch(17.2% 0.03 214.9)

  • #0C0E1F

    #0C0E1F

    oklch(17.2% 0.035 276.9)

Open the analogous palette in the generator

Split complementary

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

  • #03111E

    #03111E

    oklch(17.2% 0.035 245.8)

  • #1D0A05

    #1D0A05

    oklch(17.3% 0.035 38.3)

  • #141000

    #141000

    oklch(17.3% 0.036 98.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #03111E

    #03111E

    oklch(17.2% 0.035 245.8)

  • #1C090E

    #1C090E

    oklch(17.2% 0.034 4.5)

  • #0C1203

    #0C1203

    oklch(17.1% 0.033 125.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #03111E

    #03111E

    oklch(17.2% 0.035 245.8)

  • #190916

    #190916

    oklch(17.1% 0.036 334.4)

  • #1A0C01

    #1A0C01

    oklch(17.1% 0.035 65.1)

  • #031409

    #031409

    oklch(17.1% 0.034 155.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #03111E, closest first.

Similar named colors

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

Use #03111E 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.