#30369E#30369E

#30369E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.165 H 273.6°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#30369E
RGB	rgb(48, 54, 158)
HSL	hsl(237, 53%, 40%)
HSV	hsv(237, 70%, 62%)
CMYK	cmyk(69.6%, 65.8%, 0%, 38%)
CIE-LAB	lab(28.73, 32.59, -57.20)
CIE-LCH	lch(28.73, 65.83, 299.67°)
OKLab	oklab(39.89% 0.0103 -0.1652)
OKLCH	oklch(39.89% 0.165 273.6)
XYZ	xyz(8.7076, 5.7345, 32.9891)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30369E #9E9830

analogous

#306D9E #30369E #61309E

triadic

#30369E #9E3036 #369E30

tetradic

#30369E #9E306D #9E9830 #309E61

square

#30369E #9E306D #9E9830 #309E61

split-complementary

#30369E #9E6130 #6D9E30

monochromatic

#131640 #22266F #30369E #454CC6 #7479D5

Accessibility & contrast

On white

9.78

#30369E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#30369E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30369E

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30369E	#FFFFFF	#000000	##FFFFFF
##30369E	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #30369e;
/* rgb */ color: rgb(48, 54, 158);
/* oklch */ color: oklch(39.9% 0.165 273.6);

Tailwind

colors: {
  custom: {
    50: '#776dbc',
    500: '#30369e',
    950: '#000000',
  },
}

SCSS

$custom: #30369e;
$custom-light: #776dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#30369e",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 158
  },
  "hsl": {
    "h": 236.727,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39889,
    "c": 0.16548,
    "h": 273.6
  },
  "luminance": 0.05735
}

Semantic roles & 50–950 ramp

primary

#30369E

secondary

#BDB86D

accent

#D54BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30369E

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

Preview Lab → · Contrast checker → · Palette generator →