#556B97#556B97

#556B97 is a mid, moderate blue. Relative luminance 0.147; OKLCH L 52.9% C 0.075 H 263.6°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#556B97
RGB	rgb(85, 107, 151)
HSL	hsl(220, 28%, 46%)
HSV	hsv(220, 44%, 59%)
CMYK	cmyk(43.7%, 29.1%, 0%, 40.8%)
CIE-LAB	lab(45.19, 3.94, -26.54)
CIE-LCH	lch(45.19, 26.83, 278.45°)
OKLab	oklab(52.87% -0.0083 -0.0741)
OKLCH	oklch(52.87% 0.075 263.6)
XYZ	xyz(14.5881, 14.6802, 31.3370)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556B97 #978155

analogous

#558C97 #556B97 #605597

triadic

#556B97 #97556B #6B9755

tetradic

#556B97 #97558C #978155 #559760

square

#556B97 #97558C #978155 #559760

split-complementary

#556B97 #976055 #8C9755

monochromatic

#293449 #3F4F70 #556B97 #778BB2 #9EACC8

Accessibility & contrast

On white

5.34

#556B97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#556B97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556B97

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556B97	#FFFFFF	#000000	##FFFFFF
##556B97	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6E99

Deuteranopia (green-blind)

#546896

Tritanopia (blue-blind)

#3E747A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #556b97;
/* rgb */ color: rgb(85, 107, 151);
/* oklch */ color: oklch(52.9% 0.075 263.6);

Tailwind

colors: {
  custom: {
    50: '#8895b5',
    500: '#556b97',
    950: '#000000',
  },
}

SCSS

$custom: #556b97;
$custom-light: #8895b5;
$custom-dark: #000000;

JSON

{
  "hex": "#556b97",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 151
  },
  "hsl": {
    "h": 220,
    "s": 27.966,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52873,
    "c": 0.0746,
    "h": 263.6
  },
  "luminance": 0.14681
}

Semantic roles & 50–950 ramp

primary

#556B97

secondary

#B6AA92

accent

#A464C4

background

#F8F9FB

surface

#F0F1F6

border

#CBCBD0

text

#0C0D11

muted

#7D7E80

Preview Lab

Preview with #556B97

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

Preview Lab → · Contrast checker → · Palette generator →