#30579D#30579D

#30579D is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.122 H 261.1°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#30579D
RGB	rgb(48, 87, 157)
HSL	hsl(219, 53%, 40%)
HSV	hsv(219, 69%, 62%)
CMYK	cmyk(69.4%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.62, 10.38, -42.21)
CIE-LCH	lch(37.62, 43.46, 283.81°)
OKLab	oklab(46.56% -0.0189 -0.1206)
OKLCH	oklch(46.56% 0.122 261.1)
XYZ	xyz(10.7108, 9.8780, 33.2339)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30579D #9D7630

analogous

#308E9D #30579D #3F309D

triadic

#30579D #9D3057 #579D30

tetradic

#30579D #9D308E #9D7630 #309D3F

square

#30579D #9D308E #9D7630 #309D3F

split-complementary

#30579D #9D3F30 #8E9D30

monochromatic

#13233F #223D6E #30579D #4473C6 #7396D4

Accessibility & contrast

On white

7.06

#30579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#30579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30579D

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30579D	#FFFFFF	#000000	##FFFFFF
##30579D	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA0

Deuteranopia (green-blind)

#22549C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #30579d;
/* rgb */ color: rgb(48, 87, 157);
/* oklch */ color: oklch(46.6% 0.122 261.1);

Tailwind

colors: {
  custom: {
    50: '#7585ba',
    500: '#30579d',
    950: '#000000',
  },
}

SCSS

$custom: #30579d;
$custom-light: #7585ba;
$custom-dark: #000000;

JSON

{
  "hex": "#30579d",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 218.532,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46556,
    "c": 0.1221,
    "h": 261.1
  },
  "luminance": 0.09879
}

Semantic roles & 50–950 ramp

primary

#30579D

secondary

#BCA06D

accent

#A94BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #30579D

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

Preview Lab → · Contrast checker → · Palette generator →