#30579F#30579F

#30579F is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.7% C 0.125 H 261.5°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#30579F
RGB	rgb(48, 87, 159)
HSL	hsl(219, 54%, 41%)
HSV	hsv(219, 70%, 62%)
CMYK	cmyk(69.8%, 45.3%, 0%, 37.6%)
CIE-LAB	lab(37.75, 11.13, -43.21)
CIE-LCH	lch(37.75, 44.62, 284.44°)
OKLab	oklab(46.69% -0.0185 -0.1236)
OKLCH	oklch(46.69% 0.125 261.5)
XYZ	xyz(10.8829, 9.9469, 34.1406)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30579F #9F7830

analogous

#308E9F #30579F #40309F

triadic

#30579F #9F3057 #579F30

tetradic

#30579F #9F308E #9F7830 #309F40

square

#30579F #9F308E #9F7830 #309F40

split-complementary

#30579F #9F4030 #8E9F30

monochromatic

#142441 #223D70 #30579F #4573C7 #7496D5

Accessibility & contrast

On white

7.02

#30579F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#30579F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30579F

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30579F	#FFFFFF	#000000	##FFFFFF
##30579F	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345EA2

Deuteranopia (green-blind)

#1F549E

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #30579f;
/* rgb */ color: rgb(48, 87, 159);
/* oklch */ color: oklch(46.7% 0.125 261.5);

Tailwind

colors: {
  custom: {
    50: '#7685bc',
    500: '#30579f',
    950: '#000000',
  },
}

SCSS

$custom: #30579f;
$custom-light: #7685bc;
$custom-dark: #000000;

JSON

{
  "hex": "#30579f",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 159
  },
  "hsl": {
    "h": 218.919,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46692,
    "c": 0.12495,
    "h": 261.5
  },
  "luminance": 0.09948
}

Semantic roles & 50–950 ramp

primary

#30579F

secondary

#BDA16E

accent

#AA4BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #30579F

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

Preview Lab → · Contrast checker → · Palette generator →