#303997#303997

#303997 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.152 H 273.1°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#303997
RGB	rgb(48, 57, 151)
HSL	hsl(235, 52%, 39%)
HSV	hsv(235, 68%, 59%)
CMYK	cmyk(68.2%, 62.3%, 0%, 40.8%)
CIE-LAB	lab(28.87, 28.11, -52.71)
CIE-LCH	lch(28.87, 59.74, 298.07°)
OKLab	oklab(39.8% 0.0083 -0.1519)
OKLCH	oklch(39.8% 0.152 273.1)
XYZ	xyz(8.2661, 5.7882, 29.9538)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303997 #978E30

analogous

#306D97 #303997 #5B3097

triadic

#303997 #973039 #399730

tetradic

#303997 #97306D #978E30 #30975B

square

#303997 #97306D #978E30 #30975B

split-complementary

#303997 #975B30 #6D9730

monochromatic

#12163A #212769 #303997 #414DC3 #7078D2

Accessibility & contrast

On white

9.73

#303997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#303997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303997

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303997	#FFFFFF	#000000	##FFFFFF
##303997	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #303997;
/* rgb */ color: rgb(48, 57, 151);
/* oklch */ color: oklch(39.8% 0.152 273.1);

Tailwind

colors: {
  custom: {
    50: '#766fb6',
    500: '#303997',
    950: '#000000',
  },
}

SCSS

$custom: #303997;
$custom-light: #766fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#303997",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 151
  },
  "hsl": {
    "h": 234.757,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39803,
    "c": 0.15218,
    "h": 273.1
  },
  "luminance": 0.05789
}

Semantic roles & 50–950 ramp

primary

#303997

secondary

#B9B26A

accent

#CF4DDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #303997

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

Preview Lab → · Contrast checker → · Palette generator →