#30237B#30237B

#30237B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.142 H 282.2°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#30237B
RGB	rgb(48, 35, 123)
HSL	hsl(249, 56%, 31%)
HSV	hsv(249, 72%, 48%)
CMYK	cmyk(61%, 71.5%, 0%, 51.8%)
CIE-LAB	lab(21.06, 32.42, -48.03)
CIE-LCH	lch(21.06, 57.94, 304.02°)
OKLab	oklab(33.34% 0.03 -0.1383)
OKLCH	oklch(33.34% 0.142 282.2)
XYZ	xyz(5.3940, 3.2601, 19.0801)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30237B #6E7B23

analogous

#23427B #30237B #5C237B

triadic

#30237B #7B3023 #237B30

tetradic

#30237B #7B2342 #6E7B23 #237B5C

square

#30237B #7B2342 #6E7B23 #237B5C

split-complementary

#30237B #7B5C23 #427B23

monochromatic

#0B081C #1D154B #30237B #4331AB #5F4CCC

Accessibility & contrast

On white

12.71

#30237B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#30237B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30237B

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30237B	#FFFFFF	#000000	##FFFFFF
##30237B	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#013A4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #30237b;
/* rgb */ color: rgb(48, 35, 123);
/* oklch */ color: oklch(33.3% 0.142 282.2);

Tailwind

colors: {
  custom: {
    50: '#725fa2',
    500: '#30237b',
    950: '#000000',
  },
}

SCSS

$custom: #30237b;
$custom-light: #725fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#30237b",
  "rgb": {
    "r": 48,
    "g": 35,
    "b": 123
  },
  "hsl": {
    "h": 248.864,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33339,
    "c": 0.14153,
    "h": 282.2
  },
  "luminance": 0.03261
}

Semantic roles & 50–950 ramp

primary

#30237B

secondary

#9FAE4C

accent

#DF49C9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #30237B

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

Preview Lab → · Contrast checker → · Palette generator →