#556CE0#556CE0

#556CE0 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.5% C 0.178 H 271.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#556CE0
RGB	rgb(85, 108, 224)
HSL	hsl(230, 69%, 61%)
HSV	hsv(230, 62%, 88%)
CMYK	cmyk(62.1%, 51.8%, 0%, 12.2%)
CIE-LAB	lab(49.54, 27.07, -61.88)
CIE-LCH	lch(49.54, 67.55, 293.63°)
OKLab	oklab(57.53% 0.0041 -0.1775)
OKLCH	oklch(57.53% 0.178 271.3)
XYZ	xyz(22.5589, 18.0363, 72.7991)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CE0 #E0C955

analogous

#55B1E0 #556CE0 #8355E0

triadic

#556CE0 #E0556C #6CE055

tetradic

#556CE0 #E055B1 #E0C955 #55E083

square

#556CE0 #E055B1 #E0C955 #55E083

split-complementary

#556CE0 #E08355 #B1E055

monochromatic

#1D329E #2643D2 #556CE0 #8999E9 #BDC6F3

Accessibility & contrast

On white

4.56

#556CE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#556CE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556CE0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CE0	#FFFFFF	#000000	##000000
##556CE0	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#267CE4

Deuteranopia (green-blind)

#0070DE

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556ce0;
/* rgb */ color: rgb(85, 108, 224);
/* oklch */ color: oklch(57.5% 0.178 271.3);

Tailwind

colors: {
  custom: {
    50: '#9295ea',
    500: '#556ce0',
    950: '#000000',
  },
}

SCSS

$custom: #556ce0;
$custom-light: #9295ea;
$custom-dark: #000000;

JSON

{
  "hex": "#556ce0",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 224
  },
  "hsl": {
    "h": 230.072,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57525,
    "c": 0.17751,
    "h": 271.3
  },
  "luminance": 0.18038
}

Semantic roles & 50–950 ramp

primary

#556CE0

secondary

#E3DAAE

accent

#B214D1

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CE0

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

Preview Lab → · Contrast checker → · Palette generator →