#303BBE#303BBE

#303BBE is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 43.8% C 0.201 H 271.1°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#303BBE
RGB	rgb(48, 59, 190)
HSL	hsl(235, 60%, 47%)
HSV	hsv(235, 75%, 75%)
CMYK	cmyk(74.7%, 68.9%, 0%, 25.5%)
CIE-LAB	lab(32.86, 40.75, -69.56)
CIE-LCH	lch(32.86, 80.61, 300.36°)
OKLab	oklab(43.79% 0.004 -0.2013)
OKLCH	oklch(43.79% 0.201 271.1)
XYZ	xyz(12.0740, 7.4727, 49.5113)
Luminance	0.0747 (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

#303BBE #BEB330

analogous

#3082BE #303BBE #6C30BE

triadic

#303BBE #BE303B #3BBE30

tetradic

#303BBE #BE3082 #BEB330 #30BE6C

square

#303BBE #BE3082 #BEB330 #30BE6C

split-complementary

#303BBE #BE6C30 #82BE30

monochromatic

#171D5C #242C8D #303BBE #5760D4 #888EE1

Accessibility & contrast

On white

8.42

#303BBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#303BBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303BBE

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303BBE	#FFFFFF	#000000	##FFFFFF
##303BBE	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0046BC

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #303bbe;
/* rgb */ color: rgb(48, 59, 190);
/* oklch */ color: oklch(43.8% 0.201 271.1);

Tailwind

colors: {
  custom: {
    50: '#7e71d3',
    500: '#303bbe',
    950: '#000000',
  },
}

SCSS

$custom: #303bbe;
$custom-light: #7e71d3;
$custom-dark: #000000;

JSON

{
  "hex": "#303bbe",
  "rgb": {
    "r": 48,
    "g": 59,
    "b": 190
  },
  "hsl": {
    "h": 235.352,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43791,
    "c": 0.2013,
    "h": 271.1
  },
  "luminance": 0.07474
}

Semantic roles & 50–950 ramp

primary

#303BBE

secondary

#CBC57F

accent

#D745E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #303BBE

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

Preview Lab → · Contrast checker → · Palette generator →