#303D97#303D97

#303D97 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.147 H 271.9°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#303D97
RGB	rgb(48, 61, 151)
HSL	hsl(232, 52%, 39%)
HSV	hsv(232, 68%, 59%)
CMYK	cmyk(68.2%, 59.6%, 0%, 40.8%)
CIE-LAB	lab(29.91, 25.46, -51.02)
CIE-LCH	lch(29.91, 57.02, 296.52°)
OKLab	oklab(40.57% 0.0049 -0.1469)
OKLCH	oklch(40.57% 0.147 271.9)
XYZ	xyz(8.4717, 6.1994, 30.0223)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303D97 #978A30

analogous

#307197 #303D97 #573097

triadic

#303D97 #97303D #3D9730

tetradic

#303D97 #973071 #978A30 #309757

square

#303D97 #973071 #978A30 #309757

split-complementary

#303D97 #975730 #719730

monochromatic

#12173A #212A69 #303D97 #4152C3 #707CD2

Accessibility & contrast

On white

9.38

#303D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#303D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303D97

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303D97	#FFFFFF	#000000	##FFFFFF
##303D97	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #303d97;
/* rgb */ color: rgb(48, 61, 151);
/* oklch */ color: oklch(40.6% 0.147 271.9);

Tailwind

colors: {
  custom: {
    50: '#7572b6',
    500: '#303d97',
    950: '#000000',
  },
}

SCSS

$custom: #303d97;
$custom-light: #7572b6;
$custom-dark: #000000;

JSON

{
  "hex": "#303d97",
  "rgb": {
    "r": 48,
    "g": 61,
    "b": 151
  },
  "hsl": {
    "h": 232.427,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40573,
    "c": 0.14702,
    "h": 271.9
  },
  "luminance": 0.062
}

Semantic roles & 50–950 ramp

primary

#303D97

secondary

#B9AF6A

accent

#C94DDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #303D97

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

Preview Lab → · Contrast checker → · Palette generator →