#557BF8#557BF8

#557BF8 is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.1% C 0.191 H 267.8°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#557BF8
RGB	rgb(85, 123, 248)
HSL	hsl(226, 92%, 65%)
HSV	hsv(226, 66%, 97%)
CMYK	cmyk(65.7%, 50.4%, 0%, 2.7%)
CIE-LAB	lab(54.94, 25.99, -66.59)
CIE-LCH	lch(54.94, 71.48, 291.32°)
OKLab	oklab(62.11% -0.0074 -0.1911)
OKLCH	oklch(62.11% 0.191 267.8)
XYZ	xyz(27.7667, 22.8719, 91.7401)
Luminance	0.2288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557BF8 #F8D255

analogous

#55CDF8 #557BF8 #8055F8

triadic

#557BF8 #F8557B #7BF855

tetradic

#557BF8 #F855CD #F8D255 #55F880

square

#557BF8 #F855CD #F8D255 #55F880

split-complementary

#557BF8 #F88055 #CDF855

monochromatic

#0836CA #1A4DF6 #557BF8 #90A9FA #CBD6FD

Accessibility & contrast

On white

3.77

#557BF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#557BF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557BF8

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557BF8	#FFFFFF	#000000	##000000
##557BF8	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#308BFC

Deuteranopia (green-blind)

#007CF5

Tritanopia (blue-blind)

#0098AE

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #557bf8;
/* rgb */ color: rgb(85, 123, 248);
/* oklch */ color: oklch(62.1% 0.191 267.8);

Tailwind

colors: {
  custom: {
    50: '#95a0fb',
    500: '#557bf8',
    950: '#000000',
  },
}

SCSS

$custom: #557bf8;
$custom-light: #95a0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#557bf8",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 248
  },
  "hsl": {
    "h": 226.012,
    "s": 92.09,
    "l": 65.294
  },
  "oklch": {
    "l": 0.62105,
    "c": 0.19125,
    "h": 267.8
  },
  "luminance": 0.22875
}

Semantic roles & 50–950 ramp

primary

#557BF8

secondary

#F0E3B9

accent

#B000E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #557BF8

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

Preview Lab → · Contrast checker → · Palette generator →