#304E97#304E97

#304E97 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.1% C 0.125 H 264.9°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#304E97
RGB	rgb(48, 78, 151)
HSL	hsl(223, 52%, 39%)
HSV	hsv(223, 68%, 59%)
CMYK	cmyk(68.2%, 48.3%, 0%, 40.8%)
CIE-LAB	lab(34.62, 14.07, -43.40)
CIE-LCH	lch(34.62, 45.62, 287.96°)
OKLab	oklab(44.13% -0.011 -0.1243)
OKLCH	oklch(44.13% 0.125 264.9)
XYZ	xyz(9.5273, 8.3106, 30.3742)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304E97 #977930

analogous

#308297 #304E97 #463097

triadic

#304E97 #97304E #4E9730

tetradic

#304E97 #973082 #977930 #309746

square

#304E97 #973082 #977930 #309746

split-complementary

#304E97 #974630 #829730

monochromatic

#121E3A #213669 #304E97 #4167C3 #708CD2

Accessibility & contrast

On white

7.89

#304E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#304E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304E97

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304E97	#FFFFFF	#000000	##FFFFFF
##304E97	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28569A

Deuteranopia (green-blind)

#124D95

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #304e97;
/* rgb */ color: rgb(48, 78, 151);
/* oklch */ color: oklch(44.1% 0.125 264.9);

Tailwind

colors: {
  custom: {
    50: '#747fb6',
    500: '#304e97',
    950: '#000000',
  },
}

SCSS

$custom: #304e97;
$custom-light: #747fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#304e97",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 151
  },
  "hsl": {
    "h": 222.524,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44128,
    "c": 0.12478,
    "h": 264.9
  },
  "luminance": 0.08312
}

Semantic roles & 50–950 ramp

primary

#304E97

secondary

#B9A26A

accent

#B24DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #304E97

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

Preview Lab → · Contrast checker → · Palette generator →