#303EA0#303EA0

#303EA0 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.158 H 271.4°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#303EA0
RGB	rgb(48, 62, 160)
HSL	hsl(233, 54%, 41%)
HSV	hsv(233, 70%, 63%)
CMYK	cmyk(70%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(30.90, 28.10, -54.87)
CIE-LCH	lch(30.90, 61.65, 297.12°)
OKLab	oklab(41.54% 0.004 -0.1582)
OKLCH	oklch(41.54% 0.158 271.4)
XYZ	xyz(9.2846, 6.6108, 34.0376)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303EA0 #A09230

analogous

#3076A0 #303EA0 #5A30A0

triadic

#303EA0 #A0303E #3EA030

tetradic

#303EA0 #A03076 #A09230 #30A05A

square

#303EA0 #A03076 #A09230 #30A05A

split-complementary

#303EA0 #A05A30 #76A030

monochromatic

#141A42 #222C71 #303EA0 #4656C7 #7581D6

Accessibility & contrast

On white

9.04

#303EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#303EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303EA0

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303EA0	#FFFFFF	#000000	##FFFFFF
##303EA0	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA3

Deuteranopia (green-blind)

#00449E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #303ea0;
/* rgb */ color: rgb(48, 62, 160);
/* oklch */ color: oklch(41.5% 0.158 271.4);

Tailwind

colors: {
  custom: {
    50: '#7773bd',
    500: '#303ea0',
    950: '#000000',
  },
}

SCSS

$custom: #303ea0;
$custom-light: #7773bd;
$custom-dark: #000000;

JSON

{
  "hex": "#303ea0",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 232.5,
    "s": 53.846,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41539,
    "c": 0.15829,
    "h": 271.4
  },
  "luminance": 0.06612
}

Semantic roles & 50–950 ramp

primary

#303EA0

secondary

#BEB46E

accent

#CB4BDD

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #303EA0

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

Preview Lab → · Contrast checker → · Palette generator →