#304590#304590

#304590 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.7% C 0.126 H 268.6°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#304590
RGB	rgb(48, 69, 144)
HSL	hsl(227, 50%, 38%)
HSV	hsv(227, 67%, 56%)
CMYK	cmyk(66.7%, 52.1%, 0%, 43.5%)
CIE-LAB	lab(31.57, 17.48, -44.05)
CIE-LCH	lch(31.57, 47.39, 291.65°)
OKLab	oklab(41.65% -0.003 -0.1263)
OKLCH	oklch(41.65% 0.126 268.6)
XYZ	xyz(8.3794, 6.8975, 27.2699)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304590 #907B30

analogous

#307590 #304590 #4B3090

triadic

#304590 #903045 #459030

tetradic

#304590 #903075 #907B30 #30904B

square

#304590 #903075 #907B30 #30904B

split-complementary

#304590 #904B30 #759030

monochromatic

#111934 #212F62 #304590 #3F5BBE #6C82CE

Accessibility & contrast

On white

8.83

#304590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#304590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304590

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304590	#FFFFFF	#000000	##FFFFFF
##304590	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194F93

Deuteranopia (green-blind)

#00468E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #304590;
/* rgb */ color: rgb(48, 69, 144);
/* oklch */ color: oklch(41.7% 0.126 268.6);

Tailwind

colors: {
  custom: {
    50: '#7378b1',
    500: '#304590',
    950: '#000000',
  },
}

SCSS

$custom: #304590;
$custom-light: #7378b1;
$custom-dark: #000000;

JSON

{
  "hex": "#304590",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 144
  },
  "hsl": {
    "h": 226.875,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.41654,
    "c": 0.12637,
    "h": 268.6
  },
  "luminance": 0.06898
}

Semantic roles & 50–950 ramp

primary

#304590

secondary

#B5A466

accent

#BB4EDA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304590

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

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