#556FE7#556FE7

#556FE7 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.6% C 0.183 H 270.6°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#556FE7
RGB	rgb(85, 111, 231)
HSL	hsl(229, 75%, 62%)
HSV	hsv(229, 63%, 91%)
CMYK	cmyk(63.2%, 51.9%, 0%, 9.4%)
CIE-LAB	lab(50.77, 27.58, -63.85)
CIE-LCH	lch(50.77, 69.55, 293.37°)
OKLab	oklab(58.6% 0.0019 -0.1832)
OKLCH	oklch(58.6% 0.183 270.6)
XYZ	xyz(23.8497, 19.0676, 78.0094)
Luminance	0.1907 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FE7 #E7CD55

analogous

#55B8E7 #556FE7 #8455E7

triadic

#556FE7 #E7556F #6FE755

tetradic

#556FE7 #E755B8 #E7CD55 #55E784

square

#556FE7 #E755B8 #E7CD55 #55E784

split-complementary

#556FE7 #E78455 #B8E755

monochromatic

#1832AA #2042DF #556FE7 #8B9CEF #C0CAF6

Accessibility & contrast

On white

4.36

#556FE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#556FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FE7

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FE7	#FFFFFF	#000000	##000000
##556FE7	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2480EB

Deuteranopia (green-blind)

#0073E5

Tritanopia (blue-blind)

#008BA0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556fe7;
/* rgb */ color: rgb(85, 111, 231);
/* oklch */ color: oklch(58.6% 0.183 270.6);

Tailwind

colors: {
  custom: {
    50: '#9398ef',
    500: '#556fe7',
    950: '#000000',
  },
}

SCSS

$custom: #556fe7;
$custom-light: #9398ef;
$custom-dark: #000000;

JSON

{
  "hex": "#556fe7",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 231
  },
  "hsl": {
    "h": 229.315,
    "s": 75.258,
    "l": 61.961
  },
  "oklch": {
    "l": 0.58596,
    "c": 0.18321,
    "h": 270.6
  },
  "luminance": 0.1907
}

Semantic roles & 50–950 ramp

primary

#556FE7

secondary

#E7DDB1

accent

#B40ED7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556FE7

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

Preview Lab → · Contrast checker → · Palette generator →