#302B8D#302B8D

#302B8D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.4% C 0.156 H 277.6°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#302B8D
RGB	rgb(48, 43, 141)
HSL	hsl(243, 53%, 36%)
HSV	hsv(243, 70%, 55%)
CMYK	cmyk(66%, 69.5%, 0%, 44.7%)
CIE-LAB	lab(24.57, 33.59, -53.58)
CIE-LCH	lch(24.57, 63.24, 302.08°)
OKLab	oklab(36.39% 0.0205 -0.1546)
OKLCH	oklch(36.39% 0.156 277.6)
XYZ	xyz(6.8890, 4.2787, 25.6570)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302B8D #888D2B

analogous

#2B578D #302B8D #612B8D

triadic

#302B8D #8D302B #2B8D30

tetradic

#302B8D #8D2B57 #888D2B #2B8D61

square

#302B8D #8D2B57 #888D2B #2B8D61

split-complementary

#302B8D #8D612B #578D2B

monochromatic

#100E2F #201D5E #302B8D #4039BC #6963CF

Accessibility & contrast

On white

11.32

#302B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#302B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302B8D

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302B8D	#FFFFFF	#000000	##FFFFFF
##302B8D	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00368B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #302b8d;
/* rgb */ color: rgb(48, 43, 141);
/* oklch */ color: oklch(36.4% 0.156 277.6);

Tailwind

colors: {
  custom: {
    50: '#7565af',
    500: '#302b8d',
    950: '#000000',
  },
}

SCSS

$custom: #302b8d;
$custom-light: #7565af;
$custom-dark: #000000;

JSON

{
  "hex": "#302b8d",
  "rgb": {
    "r": 48,
    "g": 43,
    "b": 141
  },
  "hsl": {
    "h": 243.061,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3639,
    "c": 0.15593,
    "h": 277.6
  },
  "luminance": 0.04279
}

Semantic roles & 50–950 ramp

primary

#302B8D

secondary

#B1B65E

accent

#DD4BD5

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #302B8D

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

Preview Lab → · Contrast checker → · Palette generator →