#303497#303497

#303497 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.158 H 274.5°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#303497
RGB	rgb(48, 52, 151)
HSL	hsl(238, 52%, 39%)
HSV	hsv(238, 68%, 59%)
CMYK	cmyk(68.2%, 65.6%, 0%, 40.8%)
CIE-LAB	lab(27.62, 31.38, -54.75)
CIE-LCH	lch(27.62, 63.11, 299.82°)
OKLab	oklab(38.89% 0.0123 -0.158)
OKLCH	oklch(38.89% 0.158 274.5)
XYZ	xyz(8.0310, 5.3180, 29.8754)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303497 #979330

analogous

#306897 #303497 #603097

triadic

#303497 #973034 #349730

tetradic

#303497 #973068 #979330 #309760

square

#303497 #973068 #979330 #309760

split-complementary

#303497 #976030 #689730

monochromatic

#12143A #212469 #303497 #4146C3 #7074D2

Accessibility & contrast

On white

10.18

#303497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#303497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303497

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303497	#FFFFFF	#000000	##FFFFFF
##303497	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #303497;
/* rgb */ color: rgb(48, 52, 151);
/* oklch */ color: oklch(38.9% 0.158 274.5);

Tailwind

colors: {
  custom: {
    50: '#766bb6',
    500: '#303497',
    950: '#000000',
  },
}

SCSS

$custom: #303497;
$custom-light: #766bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#303497",
  "rgb": {
    "r": 48,
    "g": 52,
    "b": 151
  },
  "hsl": {
    "h": 237.67,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38886,
    "c": 0.15846,
    "h": 274.5
  },
  "luminance": 0.05319
}

Semantic roles & 50–950 ramp

primary

#303497

secondary

#B9B66A

accent

#D64DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #303497

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

Preview Lab → · Contrast checker → · Palette generator →