#556EE7#556EE7

#556EE7 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.4% C 0.184 H 270.9°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#556EE7
RGB	rgb(85, 110, 231)
HSL	hsl(230, 75%, 62%)
HSV	hsv(230, 63%, 91%)
CMYK	cmyk(63.2%, 52.4%, 0%, 9.4%)
CIE-LAB	lab(50.51, 28.20, -64.26)
CIE-LCH	lch(50.51, 70.17, 293.69°)
OKLab	oklab(58.4% 0.0028 -0.1844)
OKLCH	oklch(58.4% 0.184 270.9)
XYZ	xyz(23.7412, 18.8506, 77.9732)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EE7 #E7CE55

analogous

#55B7E7 #556EE7 #8555E7

triadic

#556EE7 #E7556E #6EE755

tetradic

#556EE7 #E755B7 #E7CE55 #55E785

square

#556EE7 #E755B7 #E7CE55 #55E785

split-complementary

#556EE7 #E78555 #B7E755

monochromatic

#1831AA #2040DF #556EE7 #8B9CEF #C0C9F6

Accessibility & contrast

On white

4.40

#556EE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#556EE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EE7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EE7	#FFFFFF	#000000	##000000
##556EE7	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#207FEB

Deuteranopia (green-blind)

#0072E5

Tritanopia (blue-blind)

#008AA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #556ee7;
/* rgb */ color: rgb(85, 110, 231);
/* oklch */ color: oklch(58.4% 0.184 270.9);

Tailwind

colors: {
  custom: {
    50: '#9397ef',
    500: '#556ee7',
    950: '#000000',
  },
}

SCSS

$custom: #556ee7;
$custom-light: #9397ef;
$custom-dark: #000000;

JSON

{
  "hex": "#556ee7",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 231
  },
  "hsl": {
    "h": 229.726,
    "s": 75.258,
    "l": 61.961
  },
  "oklch": {
    "l": 0.58405,
    "c": 0.18444,
    "h": 270.9
  },
  "luminance": 0.18853
}

Semantic roles & 50–950 ramp

primary

#556EE7

secondary

#E7DEB1

accent

#B50ED7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556EE7

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

Preview Lab → · Contrast checker → · Palette generator →