#556DDE#556DDE

#556DDE is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.6% C 0.174 H 271.0°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#556DDE
RGB	rgb(85, 109, 222)
HSL	hsl(229, 67%, 60%)
HSV	hsv(229, 62%, 87%)
CMYK	cmyk(61.7%, 50.9%, 0%, 12.9%)
CIE-LAB	lab(49.67, 25.78, -60.55)
CIE-LCH	lch(49.67, 65.81, 293.06°)
OKLab	oklab(57.58% 0.003 -0.1735)
OKLCH	oklch(57.58% 0.174 271)
XYZ	xyz(22.3953, 18.1406, 71.4144)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DDE #DEC655

analogous

#55B2DE #556DDE #8155DE

triadic

#556DDE #DE556D #6DDE55

tetradic

#556DDE #DE55B2 #DEC655 #55DE81

square

#556DDE #DE55B2 #DEC655 #55DE81

split-complementary

#556DDE #DE8155 #B2DE55

monochromatic

#1E349B #2845CE #556DDE #8899E8 #BCC5F2

Accessibility & contrast

On white

4.54

#556DDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#556DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556DDE

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DDE	#FFFFFF	#000000	##000000
##556DDE	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7CE2

Deuteranopia (green-blind)

#0070DC

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556dde;
/* rgb */ color: rgb(85, 109, 222);
/* oklch */ color: oklch(57.6% 0.174 271.0);

Tailwind

colors: {
  custom: {
    50: '#9196e9',
    500: '#556dde',
    950: '#000000',
  },
}

SCSS

$custom: #556dde;
$custom-light: #9196e9;
$custom-dark: #000000;

JSON

{
  "hex": "#556dde",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 222
  },
  "hsl": {
    "h": 229.489,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.57578,
    "c": 0.17356,
    "h": 271
  },
  "luminance": 0.18142
}

Semantic roles & 50–950 ramp

primary

#556DDE

secondary

#E2D8AD

accent

#AF16CF

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556DDE

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

Preview Lab → · Contrast checker → · Palette generator →