#30279B#30279B

#30279B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.2% C 0.178 H 276.7°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#30279B
RGB	rgb(48, 39, 155)
HSL	hsl(245, 60%, 38%)
HSV	hsv(245, 75%, 61%)
CMYK	cmyk(69%, 74.8%, 0%, 39.2%)
CIE-LAB	lab(25.09, 40.71, -61.35)
CIE-LCH	lch(25.09, 73.63, 303.56°)
OKLab	oklab(37.18% 0.0208 -0.1773)
OKLCH	oklch(37.18% 0.179 276.7)
XYZ	xyz(7.8589, 4.4453, 31.4479)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30279B #929B27

analogous

#27589B #30279B #6A279B

triadic

#30279B #9B3027 #279B30

tetradic

#30279B #9B2758 #929B27 #279B6A

square

#30279B #9B2758 #929B27 #279B6A

split-complementary

#30279B #9B6A27 #589B27

monochromatic

#120E39 #211B6A #30279B #3F33CC #6D64D8

Accessibility & contrast

On white

11.12

#30279B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#30279B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30279B

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30279B	#FFFFFF	#000000	##FFFFFF
##30279B	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #30279b;
/* rgb */ color: rgb(48, 39, 155);
/* oklch */ color: oklch(37.2% 0.178 276.7);

Tailwind

colors: {
  custom: {
    50: '#7863ba',
    500: '#30279b',
    950: '#000000',
  },
}

SCSS

$custom: #30279b;
$custom-light: #7863ba;
$custom-dark: #000000;

JSON

{
  "hex": "#30279b",
  "rgb": {
    "r": 48,
    "g": 39,
    "b": 155
  },
  "hsl": {
    "h": 244.655,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37181,
    "c": 0.1785,
    "h": 276.7
  },
  "luminance": 0.04446
}

Semantic roles & 50–950 ramp

primary

#30279B

secondary

#B7BE60

accent

#E345D7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #30279B

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

Preview Lab → · Contrast checker → · Palette generator →