#303AAE#303AAE

#303AAE is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.182 H 271.9°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#303AAE
RGB	rgb(48, 58, 174)
HSL	hsl(235, 57%, 44%)
HSV	hsv(235, 72%, 68%)
CMYK	cmyk(72.4%, 66.7%, 0%, 31.8%)
CIE-LAB	lab(31.14, 35.74, -62.90)
CIE-LCH	lch(31.14, 72.35, 299.61°)
OKLab	oklab(42.09% 0.0062 -0.1818)
OKLCH	oklch(42.09% 0.182 271.9)
XYZ	xyz(10.3694, 6.7094, 40.7848)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303AAE #AEA430

analogous

#3079AE #303AAE #6530AE

triadic

#303AAE #AE303A #3AAE30

tetradic

#303AAE #AE3079 #AEA430 #30AE65

square

#303AAE #AE3079 #AEA430 #30AE65

split-complementary

#303AAE #AE6530 #79AE30

monochromatic

#161A4E #232A7E #303AAE #4D57CE #7D85DB

Accessibility & contrast

On white

8.97

#303AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#303AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303AAE

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303AAE	#FFFFFF	#000000	##FFFFFF
##303AAE	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0043AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #303aae;
/* rgb */ color: rgb(48, 58, 174);
/* oklch */ color: oklch(42.1% 0.182 271.9);

Tailwind

colors: {
  custom: {
    50: '#7b70c7',
    500: '#303aae',
    950: '#000000',
  },
}

SCSS

$custom: #303aae;
$custom-light: #7b70c7;
$custom-dark: #000000;

JSON

{
  "hex": "#303aae",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 174
  },
  "hsl": {
    "h": 235.238,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42086,
    "c": 0.18192,
    "h": 271.9
  },
  "luminance": 0.0671
}

Semantic roles & 50–950 ramp

primary

#303AAE

secondary

#C4BE76

accent

#D448E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #303AAE

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

Preview Lab → · Contrast checker → · Palette generator →