#303AC5#303AC5

#303AC5 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.3% C 0.211 H 271.0°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#303AC5
RGB	rgb(48, 58, 197)
HSL	hsl(236, 61%, 48%)
HSV	hsv(236, 76%, 77%)
CMYK	cmyk(75.6%, 70.6%, 0%, 22.7%)
CIE-LAB	lab(33.32, 43.76, -72.91)
CIE-LCH	lch(33.32, 85.03, 300.97°)
OKLab	oklab(44.33% 0.0037 -0.211)
OKLCH	oklch(44.33% 0.211 271)
XYZ	xyz(12.8066, 7.6843, 53.6208)
Luminance	0.0769 (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

#303AC5 #C5BB30

analogous

#3084C5 #303AC5 #7030C5

triadic

#303AC5 #C5303A #3AC530

tetradic

#303AC5 #C53084 #C5BB30 #30C570

square

#303AC5 #C53084 #C5BB30 #30C570

split-complementary

#303AC5 #C57030 #84C530

monochromatic

#181D63 #242C94 #303AC5 #5B63D7 #8C92E3

Accessibility & contrast

On white

8.28

#303AC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#303AC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303AC5

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303AC5	#FFFFFF	#000000	##FFFFFF
##303AC5	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C9

Deuteranopia (green-blind)

#0047C2

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #303ac5;
/* rgb */ color: rgb(48, 58, 197);
/* oklch */ color: oklch(44.3% 0.211 271.0);

Tailwind

colors: {
  custom: {
    50: '#8071d8',
    500: '#303ac5',
    950: '#000000',
  },
}

SCSS

$custom: #303ac5;
$custom-light: #8071d8;
$custom-dark: #000000;

JSON

{
  "hex": "#303ac5",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 197
  },
  "hsl": {
    "h": 235.973,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44325,
    "c": 0.21108,
    "h": 271
  },
  "luminance": 0.07686
}

Semantic roles & 50–950 ramp

primary

#303AC5

secondary

#CDC884

accent

#D944E4

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #303AC5

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

Preview Lab → · Contrast checker → · Palette generator →