#3C4591#3C4591

#3C4591 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.5% C 0.124 H 274.7°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#3C4591
RGB	rgb(60, 69, 145)
HSL	hsl(234, 41%, 40%)
HSV	hsv(234, 59%, 57%)
CMYK	cmyk(58.6%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(32.39, 20.15, -43.30)
CIE-LCH	lch(32.39, 47.76, 294.96°)
OKLab	oklab(42.5% 0.0103 -0.1238)
OKLCH	oklch(42.5% 0.124 274.7)
XYZ	xyz(9.1008, 7.2606, 27.7044)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C4591 #91883C

analogous

#3C6F91 #3C4591 #5D3C91

triadic

#3C4591 #913C45 #45913C

tetradic

#3C4591 #913C6F #91883C #3C915D

square

#3C4591 #913C6F #91883C #3C915D

split-complementary

#3C4591 #915D3C #6F913C

monochromatic

#181C3A #2A3066 #3C4591 #535DB8 #7E86CA

Accessibility & contrast

On white

8.56

#3C4591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3C4591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C4591

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C4591	#FFFFFF	#000000	##FFFFFF
##3C4591	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5094

Deuteranopia (green-blind)

#0B498F

Tritanopia (blue-blind)

#055664

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3c4591;
/* rgb */ color: rgb(60, 69, 145);
/* oklch */ color: oklch(42.5% 0.124 274.7);

Tailwind

colors: {
  custom: {
    50: '#7978b2',
    500: '#3c4591',
    950: '#000000',
  },
}

SCSS

$custom: #3c4591;
$custom-light: #7978b2;
$custom-dark: #000000;

JSON

{
  "hex": "#3c4591",
  "rgb": {
    "r": 60,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 233.647,
    "s": 41.463,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42495,
    "c": 0.12426,
    "h": 274.7
  },
  "luminance": 0.07261
}

Semantic roles & 50–950 ramp

primary

#3C4591

secondary

#B3AD75

accent

#C457D1

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3C4591

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

Preview Lab → · Contrast checker → · Palette generator →