#557BFD#557BFD

#557BFD is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.5% C 0.198 H 268.0°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#557BFD
RGB	rgb(85, 123, 253)
HSL	hsl(226, 98%, 66%)
HSV	hsv(226, 66%, 99%)
CMYK	cmyk(66.4%, 51.4%, 0%, 0.8%)
CIE-LAB	lab(55.26, 27.70, -68.83)
CIE-LCH	lch(55.26, 74.19, 291.92°)
OKLab	oklab(62.45% -0.007 -0.1977)
OKLCH	oklch(62.45% 0.198 268)
XYZ	xyz(28.5528, 23.1863, 95.8801)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557BFD #FDD755

analogous

#55CFFD #557BFD #8355FD

triadic

#557BFD #FD557B #7BFD55

tetradic

#557BFD #FD55CF #FDD755 #55FD83

square

#557BFD #FD55CF #FDD755 #55FD83

split-complementary

#557BFD #FD8355 #CFFD55

monochromatic

#0332D5 #194CFC #557BFD #91AAFE #CED9FE

Accessibility & contrast

On white

3.72

#557BFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#557BFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557BFD

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557BFD	#FFFFFF	#000000	##000000
##557BFD	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#288CFF

Deuteranopia (green-blind)

#007DFA

Tritanopia (blue-blind)

#009AB0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #557bfd;
/* rgb */ color: rgb(85, 123, 253);
/* oklch */ color: oklch(62.5% 0.198 268.0);

Tailwind

colors: {
  custom: {
    50: '#96a0ff',
    500: '#557bfd',
    950: '#000000',
  },
}

SCSS

$custom: #557bfd;
$custom-light: #96a0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#557bfd",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 253
  },
  "hsl": {
    "h": 226.429,
    "s": 97.674,
    "l": 66.275
  },
  "oklch": {
    "l": 0.62453,
    "c": 0.19783,
    "h": 268
  },
  "luminance": 0.23189
}

Semantic roles & 50–950 ramp

primary

#557BFD

secondary

#F2E6BB

accent

#B200E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #557BFD

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

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