#303099#303099

#303099 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.4% C 0.166 H 275.2°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#303099
RGB	rgb(48, 48, 153)
HSL	hsl(240, 52%, 39%)
HSV	hsv(240, 69%, 60%)
CMYK	cmyk(68.6%, 68.6%, 0%, 40%)
CIE-LAB	lab(26.85, 34.63, -57.24)
CIE-LCH	lch(26.85, 66.90, 301.18°)
OKLab	oklab(38.38% 0.0152 -0.1653)
OKLCH	oklch(38.38% 0.166 275.2)
XYZ	xyz(8.0238, 5.0415, 30.6811)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303099 #999930

analogous

#306599 #303099 #653099

triadic

#303099 #993030 #309930

tetradic

#303099 #993065 #999930 #309965

square

#303099 #993065 #999930 #309965

split-complementary

#303099 #996530 #659930

monochromatic

#13133C #21216A #303099 #4242C4 #7171D2

Accessibility & contrast

On white

10.46

#303099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#303099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303099

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303099	#FFFFFF	#000000	##FFFFFF
##303099	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #303099;
/* rgb */ color: rgb(48, 48, 153);
/* oklch */ color: oklch(38.4% 0.166 275.2);

Tailwind

colors: {
  custom: {
    50: '#7769b8',
    500: '#303099',
    950: '#000000',
  },
}

SCSS

$custom: #303099;
$custom-light: #7769b8;
$custom-dark: #000000;

JSON

{
  "hex": "#303099",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 153
  },
  "hsl": {
    "h": 240,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38382,
    "c": 0.16596,
    "h": 275.2
  },
  "luminance": 0.05042
}

Semantic roles & 50–950 ramp

primary

#303099

secondary

#BABA6B

accent

#DC4CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #303099

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

Preview Lab → · Contrast checker → · Palette generator →