#30539A#30539A

#30539A is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.5% C 0.123 H 262.8°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#30539A
RGB	rgb(48, 83, 154)
HSL	hsl(220, 52%, 40%)
HSV	hsv(220, 69%, 60%)
CMYK	cmyk(68.8%, 46.1%, 0%, 39.6%)
CIE-LAB	lab(36.27, 11.88, -42.58)
CIE-LCH	lch(36.27, 44.20, 285.59°)
OKLab	oklab(45.45% -0.0155 -0.1218)
OKLCH	oklch(45.45% 0.123 262.8)
XYZ	xyz(10.1429, 9.1470, 31.7966)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30539A #9A7730

analogous

#30889A #30539A #42309A

triadic

#30539A #9A3053 #539A30

tetradic

#30539A #9A3088 #9A7730 #309A42

square

#30539A #9A3088 #9A7730 #309A42

split-complementary

#30539A #9A4230 #889A30

monochromatic

#13213D #213A6B #30539A #436EC4 #7292D3

Accessibility & contrast

On white

7.42

#30539A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#30539A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30539A

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30539A	#FFFFFF	#000000	##FFFFFF
##30539A	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305B9D

Deuteranopia (green-blind)

#1C5199

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #30539a;
/* rgb */ color: rgb(48, 83, 154);
/* oklch */ color: oklch(45.5% 0.123 262.8);

Tailwind

colors: {
  custom: {
    50: '#7582b8',
    500: '#30539a',
    950: '#000000',
  },
}

SCSS

$custom: #30539a;
$custom-light: #7582b8;
$custom-dark: #000000;

JSON

{
  "hex": "#30539a",
  "rgb": {
    "r": 48,
    "g": 83,
    "b": 154
  },
  "hsl": {
    "h": 220.189,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45451,
    "c": 0.12276,
    "h": 262.8
  },
  "luminance": 0.09148
}

Semantic roles & 50–950 ramp

primary

#30539A

secondary

#BBA06B

accent

#AC4CDC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #30539A

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

Preview Lab → · Contrast checker → · Palette generator →