#30559B#30559B

#30559B is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.0% C 0.122 H 261.8°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#30559B
RGB	rgb(48, 85, 155)
HSL	hsl(219, 53%, 40%)
HSV	hsv(219, 69%, 61%)
CMYK	cmyk(69%, 45.2%, 0%, 39.2%)
CIE-LAB	lab(36.91, 10.94, -42.14)
CIE-LCH	lch(36.91, 43.54, 284.55°)
OKLab	oklab(45.97% -0.0173 -0.1205)
OKLCH	oklch(45.97% 0.122 261.8)
XYZ	xyz(10.3817, 9.4909, 32.2888)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30559B #9B7630

analogous

#308B9B #30559B #40309B

triadic

#30559B #9B3055 #559B30

tetradic

#30559B #9B308B #9B7630 #309B40

square

#30559B #9B308B #9B7630 #309B40

split-complementary

#30559B #9B4030 #8B9B30

monochromatic

#13223E #223B6C #30559B #4370C5 #7294D3

Accessibility & contrast

On white

7.25

#30559B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#30559B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30559B

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30559B	#FFFFFF	#000000	##FFFFFF
##30559B	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335C9E

Deuteranopia (green-blind)

#20529A

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #30559b;
/* rgb */ color: rgb(48, 85, 155);
/* oklch */ color: oklch(46.0% 0.122 261.8);

Tailwind

colors: {
  custom: {
    50: '#7584b9',
    500: '#30559b',
    950: '#000000',
  },
}

SCSS

$custom: #30559b;
$custom-light: #7584b9;
$custom-dark: #000000;

JSON

{
  "hex": "#30559b",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 155
  },
  "hsl": {
    "h": 219.252,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.45969,
    "c": 0.12171,
    "h": 261.8
  },
  "luminance": 0.09492
}

Semantic roles & 50–950 ramp

primary

#30559B

secondary

#BBA06C

accent

#AA4CDC

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #30559B

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

Preview Lab → · Contrast checker → · Palette generator →