#30539E#30539E

#30539E is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.7% C 0.129 H 263.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#30539E
RGB	rgb(48, 83, 158)
HSL	hsl(221, 53%, 40%)
HSV	hsv(221, 70%, 62%)
CMYK	cmyk(69.6%, 47.5%, 0%, 38%)
CIE-LAB	lab(36.52, 13.38, -44.57)
CIE-LCH	lch(36.52, 46.54, 286.71°)
OKLab	oklab(45.73% -0.0148 -0.1277)
OKLCH	oklch(45.73% 0.129 263.4)
XYZ	xyz(10.4816, 9.2825, 33.5804)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30539E #9E7B30

analogous

#308A9E #30539E #44309E

triadic

#30539E #9E3053 #539E30

tetradic

#30539E #9E308A #9E7B30 #309E44

square

#30539E #9E308A #9E7B30 #309E44

split-complementary

#30539E #9E4430 #8A9E30

monochromatic

#132240 #223A6F #30539E #456EC6 #7493D5

Accessibility & contrast

On white

7.35

#30539E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#30539E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30539E

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30539E	#FFFFFF	#000000	##FFFFFF
##30539E	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5BA1

Deuteranopia (green-blind)

#15519C

Tritanopia (blue-blind)

#006471

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #30539e;
/* rgb */ color: rgb(48, 83, 158);
/* oklch */ color: oklch(45.7% 0.129 263.4);

Tailwind

colors: {
  custom: {
    50: '#7682bb',
    500: '#30539e',
    950: '#000000',
  },
}

SCSS

$custom: #30539e;
$custom-light: #7682bb;
$custom-dark: #000000;

JSON

{
  "hex": "#30539e",
  "rgb": {
    "r": 48,
    "g": 83,
    "b": 158
  },
  "hsl": {
    "h": 220.909,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.45731,
    "c": 0.12851,
    "h": 263.4
  },
  "luminance": 0.09284
}

Semantic roles & 50–950 ramp

primary

#30539E

secondary

#BDA36D

accent

#AE4BDD

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #30539E

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

Preview Lab → · Contrast checker → · Palette generator →