#557ED2#557ED2

#557ED2 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.3% C 0.136 H 263.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#557ED2
RGB	rgb(85, 126, 210)
HSL	hsl(220, 58%, 58%)
HSV	hsv(220, 60%, 82%)
CMYK	cmyk(59.5%, 40%, 0%, 17.6%)
CIE-LAB	lab(53.50, 11.28, -47.63)
CIE-LCH	lch(53.50, 48.95, 283.32°)
OKLab	oklab(60.28% -0.016 -0.1354)
OKLCH	oklch(60.28% 0.136 263.3)
XYZ	xyz(22.8360, 21.5042, 63.9076)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557ED2 #D2A955

analogous

#55BDD2 #557ED2 #6A55D2

triadic

#557ED2 #D2557E #7ED255

tetradic

#557ED2 #D255BD #D2A955 #55D26A

square

#557ED2 #D255BD #D2A955 #55D26A

split-complementary

#557ED2 #D26A55 #BDD255

monochromatic

#244588 #315EB9 #557ED2 #85A3DF #B6C7EC

Accessibility & contrast

On white

3.96

#557ED2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#557ED2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557ED2

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557ED2	#FFFFFF	#000000	##000000
##557ED2	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A86D5

Deuteranopia (green-blind)

#497AD0

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #557ed2;
/* rgb */ color: rgb(85, 126, 210);
/* oklch */ color: oklch(60.3% 0.136 263.3);

Tailwind

colors: {
  custom: {
    50: '#8fa3e0',
    500: '#557ed2',
    950: '#000000',
  },
}

SCSS

$custom: #557ed2;
$custom-light: #8fa3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#557ed2",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 210
  },
  "hsl": {
    "h": 220.32,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60279,
    "c": 0.13631,
    "h": 263.3
  },
  "luminance": 0.21506
}

Semantic roles & 50–950 ramp

primary

#557ED2

secondary

#DACAA8

accent

#AF46E1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #557ED2

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

Preview Lab → · Contrast checker → · Palette generator →