#304A97#304A97

#304A97 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.130 H 266.9°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#304A97
RGB	rgb(48, 74, 151)
HSL	hsl(225, 52%, 39%)
HSV	hsv(225, 68%, 59%)
CMYK	cmyk(68.2%, 51%, 0%, 40.8%)
CIE-LAB	lab(33.48, 16.74, -45.24)
CIE-LCH	lch(33.48, 48.24, 290.30°)
OKLab	oklab(43.26% -0.0071 -0.1298)
OKLCH	oklch(43.26% 0.13 266.9)
XYZ	xyz(9.2517, 7.7594, 30.2823)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304A97 #977D30

analogous

#307E97 #304A97 #4A3097

triadic

#304A97 #97304A #4A9730

tetradic

#304A97 #97307E #977D30 #30974A

square

#304A97 #97307E #977D30 #30974A

split-complementary

#304A97 #974A30 #7E9730

monochromatic

#121C3A #213369 #304A97 #4162C3 #7089D2

Accessibility & contrast

On white

8.23

#304A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#304A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304A97

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304A97	#FFFFFF	#000000	##FFFFFF
##304A97	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E549A

Deuteranopia (green-blind)

#004A95

Tritanopia (blue-blind)

#005C69

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #304a97;
/* rgb */ color: rgb(48, 74, 151);
/* oklch */ color: oklch(43.3% 0.130 266.9);

Tailwind

colors: {
  custom: {
    50: '#747cb6',
    500: '#304a97',
    950: '#000000',
  },
}

SCSS

$custom: #304a97;
$custom-light: #747cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#304a97",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 151
  },
  "hsl": {
    "h": 224.854,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43255,
    "c": 0.12998,
    "h": 266.9
  },
  "luminance": 0.0776
}

Semantic roles & 50–950 ramp

primary

#304A97

secondary

#B9A56A

accent

#B74DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304A97

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

Preview Lab → · Contrast checker → · Palette generator →