#556EAF#556EAF

#556EAF is a mid, moderate blue. Relative luminance 0.162; OKLCH L 54.8% C 0.106 H 267.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#556EAF
RGB	rgb(85, 110, 175)
HSL	hsl(223, 36%, 51%)
HSV	hsv(223, 51%, 69%)
CMYK	cmyk(51.4%, 37.1%, 0%, 31.4%)
CIE-LAB	lab(47.21, 9.59, -37.50)
CIE-LCH	lch(47.21, 38.71, 284.35°)
OKLab	oklab(54.82% -0.0056 -0.1059)
OKLCH	oklch(54.82% 0.106 267)
XYZ	xyz(17.0576, 16.1771, 42.7728)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EAF #AF9655

analogous

#559BAF #556EAF #6955AF

triadic

#556EAF #AF556E #6EAF55

tetradic

#556EAF #AF559B #AF9655 #55AF69

square

#556EAF #AF559B #AF9655 #55AF69

split-complementary

#556EAF #AF6955 #9BAF55

monochromatic

#2C3A5E #405387 #556EAF #7F91C3 #A8B5D6

Accessibility & contrast

On white

4.96

#556EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#556EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EAF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EAF	#FFFFFF	#000000	##FFFFFF
##556EAF	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5574B2

Deuteranopia (green-blind)

#4B6CAE

Tritanopia (blue-blind)

#2C7C86

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556eaf;
/* rgb */ color: rgb(85, 110, 175);
/* oklch */ color: oklch(54.8% 0.106 267.0);

Tailwind

colors: {
  custom: {
    50: '#8a97c7',
    500: '#556eaf',
    950: '#000000',
  },
}

SCSS

$custom: #556eaf;
$custom-light: #8a97c7;
$custom-dark: #000000;

JSON

{
  "hex": "#556eaf",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 175
  },
  "hsl": {
    "h": 223.333,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.54816,
    "c": 0.10604,
    "h": 267
  },
  "luminance": 0.16178
}

Semantic roles & 50–950 ramp

primary

#556EAF

secondary

#C4B99C

accent

#AD5CCC

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556EAF

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

Preview Lab → · Contrast checker → · Palette generator →