#30478C#30478C

#30478C is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.8% C 0.118 H 267.3°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#30478C
RGB	rgb(48, 71, 140)
HSL	hsl(225, 49%, 37%)
HSV	hsv(225, 66%, 55%)
CMYK	cmyk(65.7%, 49.3%, 0%, 45.1%)
CIE-LAB	lab(31.87, 14.64, -41.11)
CIE-LCH	lch(31.87, 43.64, 289.60°)
OKLab	oklab(41.79% -0.0055 -0.1177)
OKLCH	oklch(41.79% 0.118 267.3)
XYZ	xyz(8.2042, 7.0276, 25.7300)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30478C #8C7530

analogous

#30758C #30478C #47308C

triadic

#30478C #8C3047 #478C30

tetradic

#30478C #8C3075 #8C7530 #308C47

square

#30478C #8C3075 #8C7530 #308C47

split-complementary

#30478C #8C4730 #758C30

monochromatic

#111931 #20305E #30478C #405EBA #6A83CC

Accessibility & contrast

On white

8.73

#30478C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#30478C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30478C

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30478C	#FFFFFF	#000000	##FFFFFF
##30478C	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234F8F

Deuteranopia (green-blind)

#10478B

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #30478c;
/* rgb */ color: rgb(48, 71, 140);
/* oklch */ color: oklch(41.8% 0.118 267.3);

Tailwind

colors: {
  custom: {
    50: '#7279ae',
    500: '#30478c',
    950: '#000000',
  },
}

SCSS

$custom: #30478c;
$custom-light: #7279ae;
$custom-dark: #000000;

JSON

{
  "hex": "#30478c",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 140
  },
  "hsl": {
    "h": 225,
    "s": 48.936,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41792,
    "c": 0.1178,
    "h": 267.3
  },
  "luminance": 0.07028
}

Semantic roles & 50–950 ramp

primary

#30478C

secondary

#B3A064

accent

#B64FD8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #30478C

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

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