#303EC1#303EC1

#303EC1 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.6% C 0.202 H 270.6°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#303EC1
RGB	rgb(48, 62, 193)
HSL	hsl(234, 60%, 47%)
HSV	hsv(234, 75%, 76%)
CMYK	cmyk(75.1%, 67.9%, 0%, 24.3%)
CIE-LAB	lab(33.82, 39.96, -69.74)
CIE-LCH	lch(33.82, 80.37, 299.81°)
OKLab	oklab(44.57% 0.0021 -0.2018)
OKLCH	oklch(44.57% 0.202 270.6)
XYZ	xyz(12.5639, 7.9225, 51.3088)
Luminance	0.0792 (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

#303EC1 #C1B330

analogous

#3087C1 #303EC1 #6B30C1

triadic

#303EC1 #C1303E #3EC130

tetradic

#303EC1 #C13087 #C1B330 #30C16B

square

#303EC1 #C13087 #C1B330 #30C16B

split-complementary

#303EC1 #C16B30 #87C130

monochromatic

#181F5F #242E90 #303EC1 #5965D6 #8A92E2

Accessibility & contrast

On white

8.12

#303EC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#303EC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303EC1

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303EC1	#FFFFFF	#000000	##FFFFFF
##303EC1	1.00	8.12	2.58	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C5

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #303ec1;
/* rgb */ color: rgb(48, 62, 193);
/* oklch */ color: oklch(44.6% 0.202 270.6);

Tailwind

colors: {
  custom: {
    50: '#7f73d5',
    500: '#303ec1',
    950: '#000000',
  },
}

SCSS

$custom: #303ec1;
$custom-light: #7f73d5;
$custom-dark: #000000;

JSON

{
  "hex": "#303ec1",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 193
  },
  "hsl": {
    "h": 234.207,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44574,
    "c": 0.2018,
    "h": 270.6
  },
  "luminance": 0.07924
}

Semantic roles & 50–950 ramp

primary

#303EC1

secondary

#CCC581

accent

#D444E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #303EC1

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

Preview Lab → · Contrast checker → · Palette generator →