#30369D#30369D

#30369D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.164 H 273.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#30369D
RGB	rgb(48, 54, 157)
HSL	hsl(237, 53%, 40%)
HSV	hsv(237, 69%, 62%)
CMYK	cmyk(69.4%, 65.6%, 0%, 38.4%)
CIE-LAB	lab(28.64, 32.23, -56.74)
CIE-LCH	lch(28.64, 65.26, 299.60°)
OKLab	oklab(39.8% 0.0103 -0.1638)
OKLCH	oklch(39.8% 0.164 273.6)
XYZ	xyz(8.6219, 5.7002, 32.5376)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30369D #9D9730

analogous

#306D9D #30369D #60309D

triadic

#30369D #9D3036 #369D30

tetradic

#30369D #9D306D #9D9730 #309D60

square

#30369D #9D306D #9D9730 #309D60

split-complementary

#30369D #9D6030 #6D9D30

monochromatic

#13163F #22266E #30369D #444BC6 #7378D4

Accessibility & contrast

On white

9.81

#30369D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#30369D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30369D

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30369D	#FFFFFF	#000000	##FFFFFF
##30369D	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #30369d;
/* rgb */ color: rgb(48, 54, 157);
/* oklch */ color: oklch(39.8% 0.164 273.6);

Tailwind

colors: {
  custom: {
    50: '#776dbb',
    500: '#30369d',
    950: '#000000',
  },
}

SCSS

$custom: #30369d;
$custom-light: #776dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#30369d",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 157
  },
  "hsl": {
    "h": 236.697,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39796,
    "c": 0.16413,
    "h": 273.6
  },
  "luminance": 0.05701
}

Semantic roles & 50–950 ramp

primary

#30369D

secondary

#BCB86D

accent

#D54BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30369D

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

Preview Lab → · Contrast checker → · Palette generator →