#302B9B#302B9B

#302B9B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.8% C 0.174 H 276.0°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#302B9B
RGB	rgb(48, 43, 155)
HSL	hsl(243, 57%, 39%)
HSV	hsv(243, 72%, 61%)
CMYK	cmyk(69%, 72.3%, 0%, 39.2%)
CIE-LAB	lab(25.93, 38.38, -59.98)
CIE-LCH	lch(25.93, 71.20, 302.61°)
OKLab	oklab(37.78% 0.0183 -0.1733)
OKLCH	oklch(37.78% 0.174 276)
XYZ	xyz(7.9973, 4.7220, 31.4940)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302B9B #969B2B

analogous

#2B5E9B #302B9B #682B9B

triadic

#302B9B #9B302B #2B9B30

tetradic

#302B9B #9B2B5E #969B2B #2B9B68

square

#302B9B #9B2B5E #969B2B #2B9B68

split-complementary

#302B9B #9B682B #5E9B2B

monochromatic

#12103B #211E6B #302B9B #413BC9 #6F6BD6

Accessibility & contrast

On white

10.80

#302B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#302B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302B9B

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302B9B	#FFFFFF	#000000	##FFFFFF
##302B9B	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #302b9b;
/* rgb */ color: rgb(48, 43, 155);
/* oklch */ color: oklch(37.8% 0.174 276.0);

Tailwind

colors: {
  custom: {
    50: '#7866ba',
    500: '#302b9b',
    950: '#000000',
  },
}

SCSS

$custom: #302b9b;
$custom-light: #7866ba;
$custom-dark: #000000;

JSON

{
  "hex": "#302b9b",
  "rgb": {
    "r": 48,
    "g": 43,
    "b": 155
  },
  "hsl": {
    "h": 242.679,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37775,
    "c": 0.17425,
    "h": 276
  },
  "luminance": 0.04723
}

Semantic roles & 50–950 ramp

primary

#302B9B

secondary

#B9BC65

accent

#E048D9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #302B9B

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

Preview Lab → · Contrast checker → · Palette generator →