#303E97#303E97

#303E97 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.146 H 271.6°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#303E97
RGB	rgb(48, 62, 151)
HSL	hsl(232, 52%, 39%)
HSV	hsv(232, 68%, 59%)
CMYK	cmyk(68.2%, 58.9%, 0%, 40.8%)
CIE-LAB	lab(30.17, 24.79, -50.59)
CIE-LCH	lch(30.17, 56.34, 296.11°)
OKLab	oklab(40.77% 0.004 -0.1457)
OKLCH	oklch(40.77% 0.146 271.6)
XYZ	xyz(8.5256, 6.3072, 30.0403)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303E97 #978930

analogous

#307297 #303E97 #563097

triadic

#303E97 #97303E #3E9730

tetradic

#303E97 #973072 #978930 #309756

square

#303E97 #973072 #978930 #309756

split-complementary

#303E97 #975630 #729730

monochromatic

#12183A #212B69 #303E97 #4153C3 #707DD2

Accessibility & contrast

On white

9.29

#303E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#303E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303E97

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303E97	#FFFFFF	#000000	##FFFFFF
##303E97	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004395

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #303e97;
/* rgb */ color: rgb(48, 62, 151);
/* oklch */ color: oklch(40.8% 0.146 271.6);

Tailwind

colors: {
  custom: {
    50: '#7573b6',
    500: '#303e97',
    950: '#000000',
  },
}

SCSS

$custom: #303e97;
$custom-light: #7573b6;
$custom-dark: #000000;

JSON

{
  "hex": "#303e97",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 151
  },
  "hsl": {
    "h": 231.845,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40769,
    "c": 0.14572,
    "h": 271.6
  },
  "luminance": 0.06308
}

Semantic roles & 50–950 ramp

primary

#303E97

secondary

#B9AE6A

accent

#C84DDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #303E97

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

Preview Lab → · Contrast checker → · Palette generator →