#556E99#556E99

#556E99 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 53.7% C 0.074 H 261.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#556E99
RGB	rgb(85, 110, 153)
HSL	hsl(218, 29%, 47%)
HSV	hsv(218, 44%, 60%)
CMYK	cmyk(44.4%, 28.1%, 0%, 40%)
CIE-LAB	lab(46.15, 2.72, -26.23)
CIE-LCH	lch(46.15, 26.37, 275.92°)
OKLab	oklab(53.65% -0.0117 -0.0732)
OKLCH	oklch(53.65% 0.074 261)
XYZ	xyz(15.0702, 15.3822, 32.3058)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556E99 #998055

analogous

#559099 #556E99 #5E5599

triadic

#556E99 #99556E #6E9955

tetradic

#556E99 #995590 #998055 #55995E

square

#556E99 #995590 #998055 #55995E

split-complementary

#556E99 #995E55 #909955

monochromatic

#29354A #3F5272 #556E99 #778EB4 #9FAFCA

Accessibility & contrast

On white

5.15

#556E99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#556E99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556E99

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556E99	#FFFFFF	#000000	##FFFFFF
##556E99	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E719B

Deuteranopia (green-blind)

#576A98

Tritanopia (blue-blind)

#3C777D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #556e99;
/* rgb */ color: rgb(85, 110, 153);
/* oklch */ color: oklch(53.7% 0.074 261.0);

Tailwind

colors: {
  custom: {
    50: '#8897b7',
    500: '#556e99',
    950: '#000000',
  },
}

SCSS

$custom: #556e99;
$custom-light: #8897b7;
$custom-dark: #000000;

JSON

{
  "hex": "#556e99",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 153
  },
  "hsl": {
    "h": 217.941,
    "s": 28.571,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53652,
    "c": 0.07416,
    "h": 261
  },
  "luminance": 0.15383
}

Semantic roles & 50–950 ramp

primary

#556E99

secondary

#B7AA93

accent

#A163C5

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0D11

muted

#7D7E80

Preview Lab

Preview with #556E99

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

Preview Lab → · Contrast checker → · Palette generator →