#304AA9#304AA9

#304AA9 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.7% C 0.156 H 267.9°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#304AA9
RGB	rgb(48, 74, 169)
HSL	hsl(227, 56%, 43%)
HSV	hsv(227, 72%, 66%)
CMYK	cmyk(71.6%, 56.2%, 0%, 33.7%)
CIE-LAB	lab(34.78, 23.49, -53.97)
CIE-LCH	lch(34.78, 58.86, 293.52°)
OKLab	oklab(44.66% -0.0056 -0.1554)
OKLCH	oklch(44.66% 0.156 267.9)
XYZ	xyz(10.8267, 8.3894, 38.5772)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304AA9 #A98F30

analogous

#3087A9 #304AA9 #5230A9

triadic

#304AA9 #A9304A #4AA930

tetradic

#304AA9 #A93087 #A98F30 #30A952

square

#304AA9 #A93087 #A98F30 #30A952

split-complementary

#304AA9 #A95230 #87A930

monochromatic

#15204A #223579 #304AA9 #4A66CC #7A8FD9

Accessibility & contrast

On white

7.84

#304AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#304AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304AA9

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304AA9	#FFFFFF	#000000	##FFFFFF
##304AA9	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AC

Deuteranopia (green-blind)

#004CA7

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #304aa9;
/* rgb */ color: rgb(48, 74, 169);
/* oklch */ color: oklch(44.7% 0.156 267.9);

Tailwind

colors: {
  custom: {
    50: '#787cc3',
    500: '#304aa9',
    950: '#000000',
  },
}

SCSS

$custom: #304aa9;
$custom-light: #787cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#304aa9",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 169
  },
  "hsl": {
    "h": 227.107,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44655,
    "c": 0.15554,
    "h": 267.9
  },
  "luminance": 0.08391
}

Semantic roles & 50–950 ramp

primary

#304AA9

secondary

#C2B173

accent

#BF49DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304AA9

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

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