#303370#303370

#303370 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.103 H 277.6°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#303370
RGB	rgb(48, 51, 112)
HSL	hsl(237, 40%, 31%)
HSV	hsv(237, 57%, 44%)
CMYK	cmyk(57.1%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(24.21, 18.02, -35.88)
CIE-LCH	lch(24.21, 40.15, 296.66°)
OKLab	oklab(35.37% 0.0137 -0.1025)
OKLCH	oklch(35.37% 0.103 277.6)
XYZ	xyz(5.3265, 4.1655, 15.8494)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303370 #706D30

analogous

#305370 #303370 #4D3070

triadic

#303370 #703033 #337030

tetradic

#303370 #703053 #706D30 #30704D

square

#303370 #703053 #706D30 #30704D

split-complementary

#303370 #704D30 #537030

monochromatic

#0B0C1A #1E1F45 #303370 #42479B #6064BB

Accessibility & contrast

On white

11.46

#303370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#303370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303370

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303370	#FFFFFF	#000000	##FFFFFF
##303370	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123C72

Deuteranopia (green-blind)

#08376F

Tritanopia (blue-blind)

#11414C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #303370;
/* rgb */ color: rgb(48, 51, 112);
/* oklch */ color: oklch(35.4% 0.103 277.6);

Tailwind

colors: {
  custom: {
    50: '#6e6a99',
    500: '#303370',
    950: '#000000',
  },
}

SCSS

$custom: #303370;
$custom-light: #6e6a99;
$custom-dark: #000000;

JSON

{
  "hex": "#303370",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 237.188,
    "s": 40,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35372,
    "c": 0.10343,
    "h": 277.6
  },
  "luminance": 0.04166
}

Semantic roles & 50–950 ramp

primary

#303370

secondary

#A19E5B

accent

#CA58D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #303370

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

Preview Lab → · Contrast checker → · Palette generator →