#30278E#30278E

#30278E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.162 H 278.3°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#30278E
RGB	rgb(48, 39, 142)
HSL	hsl(245, 57%, 35%)
HSV	hsv(245, 73%, 56%)
CMYK	cmyk(66.2%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(23.78, 36.38, -55.51)
CIE-LCH	lch(23.78, 66.36, 303.24°)
OKLab	oklab(35.85% 0.0234 -0.1602)
OKLCH	oklch(35.85% 0.162 278.3)
XYZ	xyz(6.8254, 4.0319, 26.0045)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30278E #858E27

analogous

#27518E #30278E #63278E

triadic

#30278E #8E3027 #278E30

tetradic

#30278E #8E2751 #858E27 #278E63

square

#30278E #8E2751 #858E27 #278E63

split-complementary

#30278E #8E6327 #518E27

monochromatic

#100D2E #201A5E #30278E #4034BE #675DD2

Accessibility & contrast

On white

11.63

#30278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#30278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30278E

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30278E	#FFFFFF	#000000	##FFFFFF
##30278E	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #30278e;
/* rgb */ color: rgb(48, 39, 142);
/* oklch */ color: oklch(35.8% 0.162 278.3);

Tailwind

colors: {
  custom: {
    50: '#7562b0',
    500: '#30278e',
    950: '#000000',
  },
}

SCSS

$custom: #30278e;
$custom-light: #7562b0;
$custom-dark: #000000;

JSON

{
  "hex": "#30278e",
  "rgb": {
    "r": 48,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 245.243,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35848,
    "c": 0.16191,
    "h": 278.3
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#30278E

secondary

#AFB859

accent

#E048D3

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #30278E

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

Preview Lab → · Contrast checker → · Palette generator →