#556FA6#556FA6

#556FA6 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.5% C 0.092 H 264.3°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#556FA6
RGB	rgb(85, 111, 166)
HSL	hsl(221, 32%, 49%)
HSV	hsv(221, 49%, 65%)
CMYK	cmyk(48.8%, 33.1%, 0%, 34.9%)
CIE-LAB	lab(47.04, 6.12, -32.50)
CIE-LCH	lch(47.04, 33.07, 280.66°)
OKLab	oklab(54.54% -0.0091 -0.0913)
OKLCH	oklch(54.54% 0.092 264.3)
XYZ	xyz(16.3114, 16.0523, 38.3079)
Luminance	0.1605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FA6 #A68C55

analogous

#5598A6 #556FA6 #6455A6

triadic

#556FA6 #A6556F #6FA655

tetradic

#556FA6 #A65598 #A68C55 #55A664

square

#556FA6 #A65598 #A68C55 #55A664

split-complementary

#556FA6 #A66455 #98A655

monochromatic

#2C3955 #40547E #556FA6 #7C91BC #A5B3D1

Accessibility & contrast

On white

4.99

#556FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#556FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FA6

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FA6	#FFFFFF	#000000	##FFFFFF
##556FA6	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A74A8

Deuteranopia (green-blind)

#516CA5

Tritanopia (blue-blind)

#337B83

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556fa6;
/* rgb */ color: rgb(85, 111, 166);
/* oklch */ color: oklch(54.5% 0.092 264.3);

Tailwind

colors: {
  custom: {
    50: '#8998c0',
    500: '#556fa6',
    950: '#000000',
  },
}

SCSS

$custom: #556fa6;
$custom-light: #8998c0;
$custom-dark: #000000;

JSON

{
  "hex": "#556fa6",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 166
  },
  "hsl": {
    "h": 220.741,
    "s": 32.271,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54543,
    "c": 0.09179,
    "h": 264.3
  },
  "luminance": 0.16053
}

Semantic roles & 50–950 ramp

primary

#556FA6

secondary

#BEB299

accent

#A75FC8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556FA6

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

Preview Lab → · Contrast checker → · Palette generator →