#303EAE#303EAE

#303EAE is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.177 H 271.1°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#303EAE
RGB	rgb(48, 62, 174)
HSL	hsl(233, 57%, 44%)
HSV	hsv(233, 72%, 68%)
CMYK	cmyk(72.4%, 64.4%, 0%, 31.8%)
CIE-LAB	lab(32.10, 33.19, -61.33)
CIE-LCH	lch(32.10, 69.73, 298.43°)
OKLab	oklab(42.79% 0.0035 -0.1772)
OKLCH	oklch(42.79% 0.177 271.1)
XYZ	xyz(10.5789, 7.1285, 40.8546)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303EAE #AEA030

analogous

#307DAE #303EAE #6130AE

triadic

#303EAE #AE303E #3EAE30

tetradic

#303EAE #AE307D #AEA030 #30AE61

square

#303EAE #AE307D #AEA030 #30AE61

split-complementary

#303EAE #AE6130 #7DAE30

monochromatic

#161C4E #232D7E #303EAE #4D5CCE #7D88DB

Accessibility & contrast

On white

8.66

#303EAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#303EAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303EAE

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303EAE	#FFFFFF	#000000	##FFFFFF
##303EAE	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0046AC

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #303eae;
/* rgb */ color: rgb(48, 62, 174);
/* oklch */ color: oklch(42.8% 0.177 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a73c7',
    500: '#303eae',
    950: '#000000',
  },
}

SCSS

$custom: #303eae;
$custom-light: #7a73c7;
$custom-dark: #000000;

JSON

{
  "hex": "#303eae",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 174
  },
  "hsl": {
    "h": 233.333,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42789,
    "c": 0.17721,
    "h": 271.1
  },
  "luminance": 0.0713
}

Semantic roles & 50–950 ramp

primary

#303EAE

secondary

#C4BB76

accent

#CF48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #303EAE

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

Preview Lab → · Contrast checker → · Palette generator →