#3C579D#3C579D

#3C579D is a mid, moderate blue. Relative luminance 0.102; OKLCH L 47.2% C 0.118 H 266.1°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3C579D
RGB	rgb(60, 87, 157)
HSL	hsl(223, 45%, 43%)
HSV	hsv(223, 62%, 62%)
CMYK	cmyk(61.8%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(38.22, 12.56, -41.22)
CIE-LCH	lch(38.22, 43.09, 286.95°)
OKLab	oklab(47.18% -0.0079 -0.1175)
OKLCH	oklch(47.18% 0.118 266.1)
XYZ	xyz(11.3554, 10.2104, 33.2641)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C579D #9D823C

analogous

#3C879D #3C579D #523C9D

triadic

#3C579D #9D3C57 #579D3C

tetradic

#3C579D #9D3C87 #9D823C #3C9D52

square

#3C579D #9D3C87 #9D823C #3C9D52

split-complementary

#3C579D #9D523C #879D3C

monochromatic

#1A2644 #2B3E71 #3C579D #5774BF #8499D0

Accessibility & contrast

On white

6.90

#3C579D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3C579D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C579D

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C579D	#FFFFFF	#000000	##FFFFFF
##3C579D	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375FA0

Deuteranopia (green-blind)

#29569C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3c579d;
/* rgb */ color: rgb(60, 87, 157);
/* oklch */ color: oklch(47.2% 0.118 266.1);

Tailwind

colors: {
  custom: {
    50: '#7b86ba',
    500: '#3c579d',
    950: '#000000',
  },
}

SCSS

$custom: #3c579d;
$custom-light: #7b86ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3c579d",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 223.299,
    "s": 44.7,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47176,
    "c": 0.11778,
    "h": 266.1
  },
  "luminance": 0.10211
}

Semantic roles & 50–950 ramp

primary

#3C579D

secondary

#BAA87B

accent

#B053D4

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3C579D

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

Preview Lab → · Contrast checker → · Palette generator →