#557CE5#557CE5

#557CE5 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.0% C 0.165 H 266.3°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#557CE5
RGB	rgb(85, 124, 229)
HSL	hsl(224, 73%, 62%)
HSV	hsv(224, 63%, 90%)
CMYK	cmyk(62.9%, 45.9%, 0%, 10.2%)
CIE-LAB	lab(54.03, 18.90, -57.48)
CIE-LCH	lch(54.03, 60.51, 288.21°)
OKLab	oklab(61.04% -0.0106 -0.1643)
OKLCH	oklch(61.04% 0.165 266.3)
XYZ	xyz(25.0920, 22.0015, 77.0379)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CE5 #E5BE55

analogous

#55C4E5 #557CE5 #7655E5

triadic

#557CE5 #E5557C #7CE555

tetradic

#557CE5 #E555C4 #E5BE55 #55E576

square

#557CE5 #E555C4 #E5BE55 #55E576

split-complementary

#557CE5 #E57655 #C4E555

monochromatic

#1940A6 #2254DB #557CE5 #8AA5ED #BFCEF5

Accessibility & contrast

On white

3.89

#557CE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#557CE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CE5

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CE5	#FFFFFF	#000000	##000000
##557CE5	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4888E9

Deuteranopia (green-blind)

#2F7BE3

Tritanopia (blue-blind)

#0094A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557ce5;
/* rgb */ color: rgb(85, 124, 229);
/* oklch */ color: oklch(61.0% 0.165 266.3);

Tailwind

colors: {
  custom: {
    50: '#92a1ee',
    500: '#557ce5',
    950: '#000000',
  },
}

SCSS

$custom: #557ce5;
$custom-light: #92a1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#557ce5",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 229
  },
  "hsl": {
    "h": 223.75,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.61035,
    "c": 0.16463,
    "h": 266.3
  },
  "luminance": 0.22004
}

Semantic roles & 50–950 ramp

primary

#557CE5

secondary

#E6D7B0

accent

#A010D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #557CE5

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

Preview Lab → · Contrast checker → · Palette generator →