#3D579D#3D579D

#3D579D is a mid, moderate blue. Relative luminance 0.102; OKLCH L 47.2% C 0.117 H 266.6°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D579D
RGB	rgb(61, 87, 157)
HSL	hsl(224, 44%, 43%)
HSV	hsv(224, 61%, 62%)
CMYK	cmyk(61.1%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(38.27, 12.76, -41.13)
CIE-LCH	lch(38.27, 43.06, 287.24°)
OKLab	oklab(47.23% -0.0069 -0.1172)
OKLCH	oklch(47.23% 0.117 266.6)
XYZ	xyz(11.4164, 10.2419, 33.2670)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D579D #9D833D

analogous

#3D879D #3D579D #533D9D

triadic

#3D579D #9D3D57 #579D3D

tetradic

#3D579D #9D3D87 #9D833D #3D9D53

square

#3D579D #9D3D87 #9D833D #3D9D53

split-complementary

#3D579D #9D533D #879D3D

monochromatic

#1B2645 #2C3F71 #3D579D #5974BE #8599D0

Accessibility & contrast

On white

6.89

#3D579D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3D579D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D579D

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D579D	#FFFFFF	#000000	##FFFFFF
##3D579D	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	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: #3d579d;
/* rgb */ color: rgb(61, 87, 157);
/* oklch */ color: oklch(47.2% 0.117 266.6);

Tailwind

colors: {
  custom: {
    50: '#7b86ba',
    500: '#3d579d',
    950: '#000000',
  },
}

SCSS

$custom: #3d579d;
$custom-light: #7b86ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3d579d",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 223.75,
    "s": 44.037,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47234,
    "c": 0.11743,
    "h": 266.6
  },
  "luminance": 0.10243
}

Semantic roles & 50–950 ramp

primary

#3D579D

secondary

#BAA97C

accent

#B154D4

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3D579D

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

Preview Lab → · Contrast checker → · Palette generator →