#303EAD#303EAD

#303EAD is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.176 H 271.2°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#303EAD
RGB	rgb(48, 62, 173)
HSL	hsl(233, 57%, 43%)
HSV	hsv(233, 72%, 68%)
CMYK	cmyk(72.3%, 64.2%, 0%, 32.2%)
CIE-LAB	lab(32.01, 32.83, -60.87)
CIE-LCH	lch(32.01, 69.16, 298.34°)
OKLab	oklab(42.7% 0.0036 -0.1758)
OKLCH	oklch(42.7% 0.176 271.2)
XYZ	xyz(10.4818, 7.0897, 40.3431)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303EAD #AD9F30

analogous

#307CAD #303EAD #6030AD

triadic

#303EAD #AD303E #3EAD30

tetradic

#303EAD #AD307C #AD9F30 #30AD60

square

#303EAD #AD307C #AD9F30 #30AD60

split-complementary

#303EAD #AD6030 #7CAD30

monochromatic

#151C4D #232D7D #303EAD #4D5BCE #7D87DB

Accessibility & contrast

On white

8.68

#303EAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#303EAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303EAD

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303EAD	#FFFFFF	#000000	##FFFFFF
##303EAD	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B1

Deuteranopia (green-blind)

#0046AB

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #303ead;
/* rgb */ color: rgb(48, 62, 173);
/* oklch */ color: oklch(42.7% 0.176 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a73c6',
    500: '#303ead',
    950: '#000000',
  },
}

SCSS

$custom: #303ead;
$custom-light: #7a73c6;
$custom-dark: #000000;

JSON

{
  "hex": "#303ead",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 173
  },
  "hsl": {
    "h": 233.28,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42698,
    "c": 0.17589,
    "h": 271.2
  },
  "luminance": 0.07091
}

Semantic roles & 50–950 ramp

primary

#303EAD

secondary

#C3BB75

accent

#CF48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #303EAD

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

Preview Lab → · Contrast checker → · Palette generator →