#3C478E#3C478E

#3C478E is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.7% C 0.117 H 273.8°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3C478E
RGB	rgb(60, 71, 142)
HSL	hsl(232, 41%, 40%)
HSV	hsv(232, 58%, 56%)
CMYK	cmyk(57.7%, 50%, 0%, 44.3%)
CIE-LAB	lab(32.74, 17.78, -40.90)
CIE-LCH	lch(32.74, 44.59, 293.49°)
OKLab	oklab(42.7% 0.0077 -0.1168)
OKLCH	oklch(42.7% 0.117 273.8)
XYZ	xyz(8.9976, 7.4195, 26.5439)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C478E #8E833C

analogous

#3C708E #3C478E #5A3C8E

triadic

#3C478E #8E3C47 #478E3C

tetradic

#3C478E #8E3C70 #8E833C #3C8E5A

square

#3C478E #8E3C70 #8E833C #3C8E5A

split-complementary

#3C478E #8E5A3C #708E3C

monochromatic

#181C38 #2A3163 #3C478E #525FB6 #7D87C8

Accessibility & contrast

On white

8.45

#3C478E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3C478E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C478E

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C478E	#FFFFFF	#000000	##FFFFFF
##3C478E	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245191

Deuteranopia (green-blind)

#184A8C

Tritanopia (blue-blind)

#0C5763

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3c478e;
/* rgb */ color: rgb(60, 71, 142);
/* oklch */ color: oklch(42.7% 0.117 273.8);

Tailwind

colors: {
  custom: {
    50: '#797aaf',
    500: '#3c478e',
    950: '#000000',
  },
}

SCSS

$custom: #3c478e;
$custom-light: #797aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c478e",
  "rgb": {
    "r": 60,
    "g": 71,
    "b": 142
  },
  "hsl": {
    "h": 231.951,
    "s": 40.594,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42695,
    "c": 0.11701,
    "h": 273.8
  },
  "luminance": 0.0742
}

Semantic roles & 50–950 ramp

primary

#3C478E

secondary

#B2A974

accent

#C057D0

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3C478E

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

Preview Lab → · Contrast checker → · Palette generator →