#303670#303670

#303670 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.099 H 275.8°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#303670
RGB	rgb(48, 54, 112)
HSL	hsl(234, 40%, 31%)
HSV	hsv(234, 57%, 44%)
CMYK	cmyk(57.1%, 51.8%, 0%, 56.1%)
CIE-LAB	lab(25.06, 15.95, -34.51)
CIE-LCH	lch(25.06, 38.01, 294.80°)
OKLab	oklab(36.01% 0.01 -0.0985)
OKLCH	oklch(36.01% 0.099 275.8)
XYZ	xyz(5.4618, 4.4362, 15.8946)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303670 #706A30

analogous

#305670 #303670 #4A3070

triadic

#303670 #703036 #367030

tetradic

#303670 #703056 #706A30 #30704A

square

#303670 #703056 #706A30 #30704A

split-complementary

#303670 #704A30 #567030

monochromatic

#0B0D1A #1E2145 #303670 #424B9B #6068BB

Accessibility & contrast

On white

11.13

#303670 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#303670 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303670

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303670	#FFFFFF	#000000	##FFFFFF
##303670	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3E72

Deuteranopia (green-blind)

#11396F

Tritanopia (blue-blind)

#10434D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #303670;
/* rgb */ color: rgb(48, 54, 112);
/* oklch */ color: oklch(36.0% 0.099 275.8);

Tailwind

colors: {
  custom: {
    50: '#6e6c99',
    500: '#303670',
    950: '#000000',
  },
}

SCSS

$custom: #303670;
$custom-light: #6e6c99;
$custom-dark: #000000;

JSON

{
  "hex": "#303670",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 112
  },
  "hsl": {
    "h": 234.375,
    "s": 40,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36014,
    "c": 0.09897,
    "h": 275.8
  },
  "luminance": 0.04437
}

Semantic roles & 50–950 ramp

primary

#303670

secondary

#A19B5B

accent

#C558D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #303670

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

Preview Lab → · Contrast checker → · Palette generator →