#557EDD#557EDD

#557EDD is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.9% C 0.151 H 264.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#557EDD
RGB	rgb(85, 126, 221)
HSL	hsl(222, 67%, 60%)
HSV	hsv(222, 62%, 87%)
CMYK	cmyk(61.5%, 43%, 0%, 13.3%)
CIE-LAB	lab(54.10, 14.97, -52.87)
CIE-LCH	lch(54.10, 54.95, 285.81°)
OKLab	oklab(60.94% -0.0139 -0.1507)
OKLCH	oklch(60.94% 0.151 264.7)
XYZ	xyz(24.2538, 22.0713, 71.3746)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EDD #DDB455

analogous

#55C2DD #557EDD #7055DD

triadic

#557EDD #DD557E #7EDD55

tetradic

#557EDD #DD55C2 #DDB455 #55DD70

square

#557EDD #DD55C2 #DDB455 #55DD70

split-complementary

#557EDD #DD7055 #C2DD55

monochromatic

#1F4399 #295ACC #557EDD #88A5E7 #BBCBF1

Accessibility & contrast

On white

3.88

#557EDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#557EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EDD

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EDD	#FFFFFF	#000000	##000000
##557EDD	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5288E1

Deuteranopia (green-blind)

#3E7CDB

Tritanopia (blue-blind)

#0093A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557edd;
/* rgb */ color: rgb(85, 126, 221);
/* oklch */ color: oklch(60.9% 0.151 264.7);

Tailwind

colors: {
  custom: {
    50: '#90a2e8',
    500: '#557edd',
    950: '#000000',
  },
}

SCSS

$custom: #557edd;
$custom-light: #90a2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#557edd",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 221
  },
  "hsl": {
    "h": 221.912,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.60942,
    "c": 0.15137,
    "h": 264.7
  },
  "luminance": 0.22073
}

Semantic roles & 50–950 ramp

primary

#557EDD

secondary

#E1D1AD

accent

#B63EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #557EDD

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

Preview Lab → · Contrast checker → · Palette generator →