#556ACE#556ACE

#556ACE is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.9% C 0.155 H 271.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#556ACE
RGB	rgb(85, 106, 206)
HSL	hsl(230, 55%, 57%)
HSV	hsv(230, 59%, 81%)
CMYK	cmyk(58.7%, 48.5%, 0%, 19.2%)
CIE-LAB	lab(47.87, 22.27, -54.34)
CIE-LCH	lch(47.87, 58.73, 292.28°)
OKLab	oklab(55.9% 0.0044 -0.1553)
OKLCH	oklch(55.9% 0.155 271.6)
XYZ	xyz(20.0372, 16.6940, 60.5469)
Luminance	0.1670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ACE #CEB955

analogous

#55A6CE #556ACE #7D55CE

triadic

#556ACE #CE556A #6ACE55

tetradic

#556ACE #CE55A6 #CEB955 #55CE7D

square

#556ACE #CE55A6 #CEB955 #55CE7D

split-complementary

#556ACE #CE7D55 #A6CE55

monochromatic

#263683 #3349B2 #556ACE #8594DC #B4BDE9

Accessibility & contrast

On white

4.84

#556ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#556ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556ACE

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ACE	#FFFFFF	#000000	##FFFFFF
##556ACE	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3877D2

Deuteranopia (green-blind)

#236DCC

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #556ace;
/* rgb */ color: rgb(85, 106, 206);
/* oklch */ color: oklch(55.9% 0.155 271.6);

Tailwind

colors: {
  custom: {
    50: '#8f94dd',
    500: '#556ace',
    950: '#000000',
  },
}

SCSS

$custom: #556ace;
$custom-light: #8f94dd;
$custom-dark: #000000;

JSON

{
  "hex": "#556ace",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 206
  },
  "hsl": {
    "h": 229.587,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.55895,
    "c": 0.15535,
    "h": 271.6
  },
  "luminance": 0.16696
}

Semantic roles & 50–950 ramp

primary

#556ACE

secondary

#D8CFA7

accent

#C549DF

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556ACE

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

Preview Lab → · Contrast checker → · Palette generator →