#557CF8#557CF8

#557CF8 is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.3% C 0.190 H 267.5°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#557CF8
RGB	rgb(85, 124, 248)
HSL	hsl(226, 92%, 65%)
HSV	hsv(226, 66%, 97%)
CMYK	cmyk(65.7%, 50%, 0%, 2.7%)
CIE-LAB	lab(55.20, 25.38, -66.17)
CIE-LCH	lch(55.20, 70.87, 290.98°)
OKLab	oklab(62.3% -0.0083 -0.1899)
OKLCH	oklch(62.3% 0.19 267.5)
XYZ	xyz(27.8914, 23.1213, 91.7817)
Luminance	0.2312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CF8 #F8D155

analogous

#55CEF8 #557CF8 #7F55F8

triadic

#557CF8 #F8557C #7CF855

tetradic

#557CF8 #F855CE #F8D155 #55F87F

square

#557CF8 #F855CE #F8D155 #55F87F

split-complementary

#557CF8 #F87F55 #CEF855

monochromatic

#0837CA #1A4FF6 #557CF8 #90A9FA #CBD7FD

Accessibility & contrast

On white

3.73

#557CF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#557CF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CF8

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CF8	#FFFFFF	#000000	##000000
##557CF8	1.00	3.73	5.62	5.62
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#338CFC

Deuteranopia (green-blind)

#007DF5

Tritanopia (blue-blind)

#0099AE

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #557cf8;
/* rgb */ color: rgb(85, 124, 248);
/* oklch */ color: oklch(62.3% 0.190 267.5);

Tailwind

colors: {
  custom: {
    50: '#95a1fb',
    500: '#557cf8',
    950: '#000000',
  },
}

SCSS

$custom: #557cf8;
$custom-light: #95a1fb;
$custom-dark: #000000;

JSON

{
  "hex": "#557cf8",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 248
  },
  "hsl": {
    "h": 225.644,
    "s": 92.09,
    "l": 65.294
  },
  "oklch": {
    "l": 0.623,
    "c": 0.19006,
    "h": 267.5
  },
  "luminance": 0.23124
}

Semantic roles & 50–950 ramp

primary

#557CF8

secondary

#F0E3B9

accent

#AF00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #557CF8

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

Preview Lab → · Contrast checker → · Palette generator →