#030639#030639

#030639 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.3% C 0.096 H 267.7°. Best body text is #FFFFFF at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#030639
RGB	rgb(3, 6, 57)
HSL	hsl(237, 90%, 12%)
HSV	hsv(237, 95%, 22%)
CMYK	cmyk(94.7%, 89.5%, 0%, 77.6%)
CIE-LAB	lab(4.02, 17.12, -31.48)
CIE-LCH	lch(4.02, 35.83, 298.55°)
OKLab	oklab(17.34% -0.0038 -0.0959)
OKLCH	oklch(17.34% 0.096 267.7)
XYZ	xyz(0.8409, 0.4449, 3.9117)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030639 #393603

analogous

#032139 #030639 #1B0339

triadic

#030639 #390306 #063903

tetradic

#030639 #390321 #393603 #03391B

square

#030639 #390321 #393603 #03391B

split-complementary

#030639 #391B03 #213903

monochromatic

#02031D #02031D #030639 #060C73 #0912AD

Accessibility & contrast

On white

19.28

#030639 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030639 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030639

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030639	#FFFFFF	#000000	##FFFFFF
##030639	1.00	19.28	1.09	19.28
#FFFFFF	19.28	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113A

Deuteranopia (green-blind)

#000B38

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #030639;
/* rgb */ color: rgb(3, 6, 57);
/* oklch */ color: oklch(17.3% 0.096 267.7);

Tailwind

colors: {
  custom: {
    50: '#4e4870',
    500: '#030639',
    950: '#000000',
  },
}

SCSS

$custom: #030639;
$custom-light: #4e4870;
$custom-dark: #000000;

JSON

{
  "hex": "#030639",
  "rgb": {
    "r": 3,
    "g": 6,
    "b": 57
  },
  "hsl": {
    "h": 236.667,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.17342,
    "c": 0.096,
    "h": 267.7
  },
  "luminance": 0.00445
}

Semantic roles & 50–950 ramp

primary

#030639

secondary

#7C761C

accent

#F329FF

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #030639

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →