#030638#030638

#030638 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.095 H 267.8°. Best body text is #FFFFFF at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#030638
RGB	rgb(3, 6, 56)
HSL	hsl(237, 90%, 12%)
HSV	hsv(237, 95%, 22%)
CMYK	cmyk(94.6%, 89.3%, 0%, 78%)
CIE-LAB	lab(3.93, 16.50, -30.89)
CIE-LCH	lch(3.93, 35.02, 298.10°)
OKLab	oklab(17.2% -0.0036 -0.0945)
OKLCH	oklch(17.2% 0.095 267.8)
XYZ	xyz(0.8162, 0.4350, 3.7816)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030638 #383503

analogous

#032138 #030638 #1B0338

triadic

#030638 #380306 #063803

tetradic

#030638 #380321 #383503 #03381B

square

#030638 #380321 #383503 #03381B

split-complementary

#030638 #381B03 #213803

monochromatic

#02031D #02031D #030638 #060C72 #0912AC

Accessibility & contrast

On white

19.32

#030638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030638

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030638	#FFFFFF	#000000	##FFFFFF
##030638	1.00	19.32	1.09	19.32
#FFFFFF	19.32	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001139

Deuteranopia (green-blind)

#000B37

Tritanopia (blue-blind)

#00151E

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #030638;
/* rgb */ color: rgb(3, 6, 56);
/* oklch */ color: oklch(17.2% 0.095 267.8);

Tailwind

colors: {
  custom: {
    50: '#4d486f',
    500: '#030638',
    950: '#000000',
  },
}

SCSS

$custom: #030638;
$custom-light: #4d486f;
$custom-dark: #000000;

JSON

{
  "hex": "#030638",
  "rgb": {
    "r": 3,
    "g": 6,
    "b": 56
  },
  "hsl": {
    "h": 236.604,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.172,
    "c": 0.09456,
    "h": 267.8
  },
  "luminance": 0.00435
}

Semantic roles & 50–950 ramp

primary

#030638

secondary

#7B751C

accent

#F329FF

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #030638

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

Preview Lab → · Contrast checker → · Palette generator →