#303FA0#303FA0

#303FA0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.157 H 271.2°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#303FA0
RGB	rgb(48, 63, 160)
HSL	hsl(232, 54%, 41%)
HSV	hsv(232, 70%, 63%)
CMYK	cmyk(70%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(31.16, 27.44, -54.45)
CIE-LCH	lch(31.16, 60.97, 296.75°)
OKLab	oklab(41.73% 0.0032 -0.157)
OKLCH	oklch(41.73% 0.157 271.2)
XYZ	xyz(9.3394, 6.7206, 34.0559)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303FA0 #A09130

analogous

#3077A0 #303FA0 #5930A0

triadic

#303FA0 #A0303F #3FA030

tetradic

#303FA0 #A03077 #A09130 #30A059

square

#303FA0 #A03077 #A09130 #30A059

split-complementary

#303FA0 #A05930 #77A030

monochromatic

#141A42 #222C71 #303FA0 #4657C7 #7582D6

Accessibility & contrast

On white

8.96

#303FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#303FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303FA0

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303FA0	#FFFFFF	#000000	##FFFFFF
##303FA0	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00449E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #303fa0;
/* rgb */ color: rgb(48, 63, 160);
/* oklch */ color: oklch(41.7% 0.157 271.2);

Tailwind

colors: {
  custom: {
    50: '#7774bd',
    500: '#303fa0',
    950: '#000000',
  },
}

SCSS

$custom: #303fa0;
$custom-light: #7774bd;
$custom-dark: #000000;

JSON

{
  "hex": "#303fa0",
  "rgb": {
    "r": 48,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 231.964,
    "s": 53.846,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41731,
    "c": 0.15702,
    "h": 271.2
  },
  "luminance": 0.06721
}

Semantic roles & 50–950 ramp

primary

#303FA0

secondary

#BEB36E

accent

#CA4BDD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #303FA0

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

Preview Lab → · Contrast checker → · Palette generator →