#557FED#557FED

#557FED is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.2% C 0.172 H 265.9°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#557FED
RGB	rgb(85, 127, 237)
HSL	hsl(223, 81%, 63%)
HSV	hsv(223, 64%, 93%)
CMYK	cmyk(64.1%, 46.4%, 0%, 7.1%)
CIE-LAB	lab(55.30, 19.79, -59.90)
CIE-LCH	lch(55.30, 63.09, 288.28°)
OKLab	oklab(62.16% -0.0123 -0.1714)
OKLCH	oklch(62.16% 0.172 265.9)
XYZ	xyz(26.6165, 23.2220, 83.1840)
Luminance	0.2322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FED #EDC355

analogous

#55CBED #557FED #7755ED

triadic

#557FED #ED557F #7FED55

tetradic

#557FED #ED55CB #EDC355 #55ED77

square

#557FED #ED55CB #EDC355 #55ED77

split-complementary

#557FED #ED7755 #CBED55

monochromatic

#1340B4 #1E55E7 #557FED #8CA9F3 #C4D2F9

Accessibility & contrast

On white

3.72

#557FED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#557FED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FED

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FED	#FFFFFF	#000000	##000000
##557FED	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)

#478CF1

Deuteranopia (green-blind)

#2A7EEB

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #557fed;
/* rgb */ color: rgb(85, 127, 237);
/* oklch */ color: oklch(62.2% 0.172 265.9);

Tailwind

colors: {
  custom: {
    50: '#93a3f3',
    500: '#557fed',
    950: '#000000',
  },
}

SCSS

$custom: #557fed;
$custom-light: #93a3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#557fed",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 237
  },
  "hsl": {
    "h": 223.421,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62161,
    "c": 0.17182,
    "h": 265.9
  },
  "luminance": 0.23224
}

Semantic roles & 50–950 ramp

primary

#557FED

secondary

#EADBB4

accent

#A208DD

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #557FED

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

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