#30579E#30579E

#30579E is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.124 H 261.3°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#30579E
RGB	rgb(48, 87, 158)
HSL	hsl(219, 53%, 40%)
HSV	hsv(219, 70%, 62%)
CMYK	cmyk(69.6%, 44.9%, 0%, 38%)
CIE-LAB	lab(37.68, 10.75, -42.71)
CIE-LCH	lch(37.68, 44.04, 284.13°)
OKLab	oklab(46.62% -0.0187 -0.1221)
OKLCH	oklch(46.62% 0.124 261.3)
XYZ	xyz(10.7965, 9.9123, 33.6854)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30579E #9E7730

analogous

#308E9E #30579E #40309E

triadic

#30579E #9E3057 #579E30

tetradic

#30579E #9E308E #9E7730 #309E40

square

#30579E #9E308E #9E7730 #309E40

split-complementary

#30579E #9E4030 #8E9E30

monochromatic

#132340 #223D6F #30579E #4573C6 #7496D5

Accessibility & contrast

On white

7.04

#30579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#30579E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30579E

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30579E	#FFFFFF	#000000	##FFFFFF
##30579E	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345EA1

Deuteranopia (green-blind)

#21549D

Tritanopia (blue-blind)

#006773

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #30579e;
/* rgb */ color: rgb(48, 87, 158);
/* oklch */ color: oklch(46.6% 0.124 261.3);

Tailwind

colors: {
  custom: {
    50: '#7585bb',
    500: '#30579e',
    950: '#000000',
  },
}

SCSS

$custom: #30579e;
$custom-light: #7585bb;
$custom-dark: #000000;

JSON

{
  "hex": "#30579e",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 218.727,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.46624,
    "c": 0.12352,
    "h": 261.3
  },
  "luminance": 0.09913
}

Semantic roles & 50–950 ramp

primary

#30579E

secondary

#BDA06D

accent

#A94BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #30579E

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

Preview Lab → · Contrast checker → · Palette generator →