#557FF8#557FF8

#557FF8 is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.9% C 0.186 H 266.6°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#557FF8
RGB	rgb(85, 127, 248)
HSL	hsl(225, 92%, 65%)
HSV	hsv(225, 66%, 97%)
CMYK	cmyk(65.7%, 48.8%, 0%, 2.7%)
CIE-LAB	lab(55.97, 23.55, -64.92)
CIE-LCH	lch(55.97, 69.06, 289.93°)
OKLab	oklab(62.89% -0.0109 -0.1862)
OKLCH	oklch(62.89% 0.186 266.6)
XYZ	xyz(28.2731, 23.8847, 91.9089)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FF8 #F8CE55

analogous

#55D0F8 #557FF8 #7D55F8

triadic

#557FF8 #F8557F #7FF855

tetradic

#557FF8 #F855D0 #F8CE55 #55F87D

square

#557FF8 #F855D0 #F8CE55 #55F87D

split-complementary

#557FF8 #F87D55 #D0F855

monochromatic

#083ACA #1A53F6 #557FF8 #90ABFA #CBD8FD

Accessibility & contrast

On white

3.63

#557FF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#557FF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FF8

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FF8	#FFFFFF	#000000	##000000
##557FF8	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C8EFC

Deuteranopia (green-blind)

#077FF6

Tritanopia (blue-blind)

#009BB0

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #557ff8;
/* rgb */ color: rgb(85, 127, 248);
/* oklch */ color: oklch(62.9% 0.186 266.6);

Tailwind

colors: {
  custom: {
    50: '#95a3fb',
    500: '#557ff8',
    950: '#000000',
  },
}

SCSS

$custom: #557ff8;
$custom-light: #95a3fb;
$custom-dark: #000000;

JSON

{
  "hex": "#557ff8",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 248
  },
  "hsl": {
    "h": 224.54,
    "s": 92.09,
    "l": 65.294
  },
  "oklch": {
    "l": 0.62889,
    "c": 0.18648,
    "h": 266.6
  },
  "luminance": 0.23887
}

Semantic roles & 50–950 ramp

primary

#557FF8

secondary

#F0E2B9

accent

#AA00E6

background

#F9FAFF

surface

#F2F3FF

border

#CCCDD7

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #557FF8

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

Preview Lab → · Contrast checker → · Palette generator →