#556CAF#556CAF

#556CAF is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.4% C 0.109 H 268.3°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#556CAF
RGB	rgb(85, 108, 175)
HSL	hsl(225, 36%, 51%)
HSV	hsv(225, 51%, 69%)
CMYK	cmyk(51.4%, 38.3%, 0%, 31.4%)
CIE-LAB	lab(46.65, 10.83, -38.39)
CIE-LCH	lch(46.65, 39.88, 285.75°)
OKLab	oklab(54.38% -0.0032 -0.1085)
OKLCH	oklch(54.38% 0.109 268.3)
XYZ	xyz(16.8442, 15.7504, 42.7017)
Luminance	0.1575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CAF #AF9855

analogous

#5599AF #556CAF #6B55AF

triadic

#556CAF #AF556C #6CAF55

tetradic

#556CAF #AF5599 #AF9855 #55AF6B

square

#556CAF #AF5599 #AF9855 #55AF6B

split-complementary

#556CAF #AF6B55 #99AF55

monochromatic

#2C395E #405287 #556CAF #7F90C3 #A8B4D6

Accessibility & contrast

On white

5.06

#556CAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#556CAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556CAF

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CAF	#FFFFFF	#000000	##FFFFFF
##556CAF	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5273B2

Deuteranopia (green-blind)

#486BAE

Tritanopia (blue-blind)

#2D7A85

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556caf;
/* rgb */ color: rgb(85, 108, 175);
/* oklch */ color: oklch(54.4% 0.109 268.3);

Tailwind

colors: {
  custom: {
    50: '#8a95c7',
    500: '#556caf',
    950: '#000000',
  },
}

SCSS

$custom: #556caf;
$custom-light: #8a95c7;
$custom-dark: #000000;

JSON

{
  "hex": "#556caf",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 175
  },
  "hsl": {
    "h": 224.667,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.54383,
    "c": 0.10854,
    "h": 268.3
  },
  "luminance": 0.15752
}

Semantic roles & 50–950 ramp

primary

#556CAF

secondary

#C4BA9C

accent

#AF5CCC

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556CAF

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

Preview Lab → · Contrast checker → · Palette generator →