#303A84#303A84

#303A84 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.124 H 273.3°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#303A84
RGB	rgb(48, 58, 132)
HSL	hsl(233, 47%, 35%)
HSV	hsv(233, 64%, 52%)
CMYK	cmyk(63.6%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(27.63, 20.49, -43.00)
CIE-LCH	lch(27.63, 47.63, 295.47°)
OKLab	oklab(38.4% 0.0072 -0.1234)
OKLCH	oklch(38.4% 0.124 273.3)
XYZ	xyz(6.8955, 5.3199, 22.4888)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303A84 #847A30

analogous

#306484 #303A84 #503084

triadic

#303A84 #84303A #3A8430

tetradic

#303A84 #843064 #847A30 #308450

square

#303A84 #843064 #847A30 #308450

split-complementary

#303A84 #845030 #648430

monochromatic

#0F132A #202657 #303A84 #404EB1 #6772C8

Accessibility & contrast

On white

10.17

#303A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#303A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303A84

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303A84	#FFFFFF	#000000	##FFFFFF
##303A84	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064587

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #303a84;
/* rgb */ color: rgb(48, 58, 132);
/* oklch */ color: oklch(38.4% 0.124 273.3);

Tailwind

colors: {
  custom: {
    50: '#7270a8',
    500: '#303a84',
    950: '#000000',
  },
}

SCSS

$custom: #303a84;
$custom-light: #7270a8;
$custom-dark: #000000;

JSON

{
  "hex": "#303a84",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 232.857,
    "s": 46.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38403,
    "c": 0.12361,
    "h": 273.3
  },
  "luminance": 0.0532
}

Semantic roles & 50–950 ramp

primary

#303A84

secondary

#AFA661

accent

#C651D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #303A84

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

Preview Lab → · Contrast checker → · Palette generator →