#556EBF#556EBF

#556EBF is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.8% C 0.129 H 269.0°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#556EBF
RGB	rgb(85, 110, 191)
HSL	hsl(226, 45%, 54%)
HSV	hsv(226, 55%, 75%)
CMYK	cmyk(55.5%, 42.4%, 0%, 25.1%)
CIE-LAB	lab(48.06, 14.80, -45.42)
CIE-LCH	lch(48.06, 47.77, 288.04°)
OKLab	oklab(55.76% -0.0022 -0.1291)
OKLCH	oklch(55.76% 0.129 269)
XYZ	xyz(18.7231, 16.8434, 51.5446)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EBF #BFA655

analogous

#55A3BF #556EBF #7155BF

triadic

#556EBF #BF556E #6EBF55

tetradic

#556EBF #BF55A3 #BFA655 #55BF71

square

#556EBF #BF55A3 #BFA655 #55BF71

split-complementary

#556EBF #BF7155 #A3BF55

monochromatic

#2A3A70 #3B529C #556EBF #8194D0 #AEBAE0

Accessibility & contrast

On white

4.81

#556EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#556EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EBF

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EBF	#FFFFFF	#000000	##FFFFFF
##556EBF	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B77C2

Deuteranopia (green-blind)

#3E6EBD

Tritanopia (blue-blind)

#18808D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #556ebf;
/* rgb */ color: rgb(85, 110, 191);
/* oklch */ color: oklch(55.8% 0.129 269.0);

Tailwind

colors: {
  custom: {
    50: '#8c97d3',
    500: '#556ebf',
    950: '#000000',
  },
}

SCSS

$custom: #556ebf;
$custom-light: #8c97d3;
$custom-dark: #000000;

JSON

{
  "hex": "#556ebf",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 191
  },
  "hsl": {
    "h": 225.849,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55755,
    "c": 0.12908,
    "h": 269
  },
  "luminance": 0.16845
}

Semantic roles & 50–950 ramp

primary

#556EBF

secondary

#CEC4A1

accent

#B653D5

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556EBF

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

Preview Lab → · Contrast checker → · Palette generator →