#30288D#30288D

#30288D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.159 H 278.2°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#30288D
RGB	rgb(48, 40, 141)
HSL	hsl(245, 56%, 35%)
HSV	hsv(245, 72%, 55%)
CMYK	cmyk(66%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(23.90, 35.44, -54.69)
CIE-LCH	lch(23.90, 65.17, 302.94°)
OKLab	oklab(35.9% 0.0228 -0.1578)
OKLCH	oklch(35.9% 0.159 278.2)
XYZ	xyz(6.7839, 4.0685, 25.6219)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30288D #858D28

analogous

#28538D #30288D #62288D

triadic

#30288D #8D3028 #288D30

tetradic

#30288D #8D2853 #858D28 #288D62

square

#30288D #8D2853 #858D28 #288D62

split-complementary

#30288D #8D6228 #538D28

monochromatic

#100D2E #201A5D #30288D #4036BD #675ED1

Accessibility & contrast

On white

11.58

#30288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#30288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30288D

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30288D	#FFFFFF	#000000	##FFFFFF
##30288D	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #30288d;
/* rgb */ color: rgb(48, 40, 141);
/* oklch */ color: oklch(35.9% 0.159 278.2);

Tailwind

colors: {
  custom: {
    50: '#7563af',
    500: '#30288d',
    950: '#000000',
  },
}

SCSS

$custom: #30288d;
$custom-light: #7563af;
$custom-dark: #000000;

JSON

{
  "hex": "#30288d",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 244.752,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35904,
    "c": 0.15946,
    "h": 278.2
  },
  "luminance": 0.04069
}

Semantic roles & 50–950 ramp

primary

#30288D

secondary

#AFB75A

accent

#DF49D3

background

#F7F5FA

surface

#EEEAF5

border

#C9C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #30288D

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

Preview Lab → · Contrast checker → · Palette generator →