#557CFA#557CFA

#557CFA is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.4% C 0.193 H 267.6°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#557CFA
RGB	rgb(85, 124, 250)
HSL	hsl(226, 94%, 66%)
HSV	hsv(226, 66%, 98%)
CMYK	cmyk(66%, 50.4%, 0%, 2%)
CIE-LAB	lab(55.32, 26.06, -67.07)
CIE-LCH	lch(55.32, 71.96, 291.23°)
OKLab	oklab(62.44% -0.0081 -0.1925)
OKLCH	oklch(62.44% 0.193 267.6)
XYZ	xyz(28.2033, 23.2460, 93.4246)
Luminance	0.2325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CFA #FAD355

analogous

#55CFFA #557CFA #8055FA

triadic

#557CFA #FA557C #7CFA55

tetradic

#557CFA #FA55CF #FAD355 #55FA80

square

#557CFA #FA55CF #FAD355 #55FA80

split-complementary

#557CFA #FA8055 #CFFA55

monochromatic

#0635CF #1A4EF8 #557CFA #90AAFC #CCD8FD

Accessibility & contrast

On white

3.72

#557CFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#557CFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CFA

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CFA	#FFFFFF	#000000	##000000
##557CFA	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#318CFF

Deuteranopia (green-blind)

#007DF7

Tritanopia (blue-blind)

#009AAF

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #557cfa;
/* rgb */ color: rgb(85, 124, 250);
/* oklch */ color: oklch(62.4% 0.193 267.6);

Tailwind

colors: {
  custom: {
    50: '#95a1fd',
    500: '#557cfa',
    950: '#000000',
  },
}

SCSS

$custom: #557cfa;
$custom-light: #95a1fd;
$custom-dark: #000000;

JSON

{
  "hex": "#557cfa",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 250
  },
  "hsl": {
    "h": 225.818,
    "s": 94.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.62438,
    "c": 0.19269,
    "h": 267.6
  },
  "luminance": 0.23249
}

Semantic roles & 50–950 ramp

primary

#557CFA

secondary

#F1E4BA

accent

#AF00E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #557CFA

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

Preview Lab → · Contrast checker → · Palette generator →