#303173#303173

#303173 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.2% C 0.111 H 278.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#303173
RGB	rgb(48, 49, 115)
HSL	hsl(239, 41%, 32%)
HSV	hsv(239, 58%, 45%)
CMYK	cmyk(58.3%, 57.4%, 0%, 54.9%)
CIE-LAB	lab(23.88, 20.46, -38.34)
CIE-LCH	lch(23.88, 43.46, 298.09°)
OKLab	oklab(35.19% 0.0162 -0.1098)
OKLCH	oklch(35.19% 0.111 278.4)
XYZ	xyz(5.4108, 4.0624, 16.7153)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303173 #737230

analogous

#305373 #303173 #513073

triadic

#303173 #733031 #317330

tetradic

#303173 #733053 #737230 #307351

square

#303173 #733053 #737230 #307351

split-complementary

#303173 #735130 #537330

monochromatic

#0C0C1D #1E1F48 #303173 #42439E #6162BD

Accessibility & contrast

On white

11.59

#303173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#303173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303173

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303173	#FFFFFF	#000000	##FFFFFF
##303173	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063C75

Deuteranopia (green-blind)

#003672

Tritanopia (blue-blind)

#0D404D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #303173;
/* rgb */ color: rgb(48, 49, 115);
/* oklch */ color: oklch(35.2% 0.111 278.4);

Tailwind

colors: {
  custom: {
    50: '#6f699c',
    500: '#303173',
    950: '#000000',
  },
}

SCSS

$custom: #303173;
$custom-light: #6f699c;
$custom-dark: #000000;

JSON

{
  "hex": "#303173",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 115
  },
  "hsl": {
    "h": 239.104,
    "s": 41.104,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35192,
    "c": 0.11096,
    "h": 278.4
  },
  "luminance": 0.04063
}

Semantic roles & 50–950 ramp

primary

#303173

secondary

#A4A35B

accent

#CF57D1

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #303173

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

Preview Lab → · Contrast checker → · Palette generator →