#556ED7#556ED7

#556ED7 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.3% C 0.163 H 270.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#556ED7
RGB	rgb(85, 110, 215)
HSL	hsl(228, 62%, 59%)
HSV	hsv(228, 60%, 84%)
CMYK	cmyk(60.5%, 48.8%, 0%, 15.7%)
CIE-LAB	lab(49.48, 22.80, -56.88)
CIE-LCH	lch(49.48, 61.28, 291.84°)
OKLab	oklab(57.3% 0.0013 -0.1627)
OKLCH	oklch(57.3% 0.163 270.5)
XYZ	xyz(21.5839, 17.9877, 66.6114)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ED7 #D7BE55

analogous

#55AFD7 #556ED7 #7D55D7

triadic

#556ED7 #D7556E #6ED755

tetradic

#556ED7 #D755AF #D7BE55 #55D77D

square

#556ED7 #D755AF #D7BE55 #55D77D

split-complementary

#556ED7 #D77D55 #AFD755

monochromatic

#223790 #2D4AC1 #556ED7 #8798E3 #B8C3EE

Accessibility & contrast

On white

4.57

#556ED7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#556ED7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556ED7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ED7	#FFFFFF	#000000	##000000
##556ED7	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377CDB

Deuteranopia (green-blind)

#1E70D5

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556ed7;
/* rgb */ color: rgb(85, 110, 215);
/* oklch */ color: oklch(57.3% 0.163 270.5);

Tailwind

colors: {
  custom: {
    50: '#9097e4',
    500: '#556ed7',
    950: '#000000',
  },
}

SCSS

$custom: #556ed7;
$custom-light: #9097e4;
$custom-dark: #000000;

JSON

{
  "hex": "#556ed7",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 215
  },
  "hsl": {
    "h": 228.462,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.57296,
    "c": 0.16274,
    "h": 270.5
  },
  "luminance": 0.17989
}

Semantic roles & 50–950 ramp

primary

#556ED7

secondary

#DED4AA

accent

#C643E5

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556ED7

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

Preview Lab → · Contrast checker → · Palette generator →