#557FE2#557FE2

#557FE2 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.5% C 0.157 H 264.9°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#557FE2
RGB	rgb(85, 127, 226)
HSL	hsl(222, 71%, 61%)
HSV	hsv(222, 62%, 89%)
CMYK	cmyk(62.4%, 43.8%, 0%, 11.4%)
CIE-LAB	lab(54.66, 16.05, -54.79)
CIE-LCH	lch(54.66, 57.09, 286.33°)
OKLab	oklab(61.46% -0.014 -0.1564)
OKLCH	oklch(61.46% 0.157 264.9)
XYZ	xyz(25.0584, 22.5988, 74.9782)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FE2 #E2B855

analogous

#55C5E2 #557FE2 #7155E2

triadic

#557FE2 #E2557F #7FE255

tetradic

#557FE2 #E255C5 #E2B855 #55E271

square

#557FE2 #E255C5 #E2B855 #55E271

split-complementary

#557FE2 #E27155 #C5E255

monochromatic

#1B43A1 #2459D5 #557FE2 #89A6EB #BECEF4

Accessibility & contrast

On white

3.80

#557FE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#557FE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FE2

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FE2	#FFFFFF	#000000	##000000
##557FE2	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518AE6

Deuteranopia (green-blind)

#3A7DE0

Tritanopia (blue-blind)

#0095A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #557fe2;
/* rgb */ color: rgb(85, 127, 226);
/* oklch */ color: oklch(61.5% 0.157 264.9);

Tailwind

colors: {
  custom: {
    50: '#91a3ec',
    500: '#557fe2',
    950: '#000000',
  },
}

SCSS

$custom: #557fe2;
$custom-light: #91a3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#557fe2",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 226
  },
  "hsl": {
    "h": 222.128,
    "s": 70.854,
    "l": 60.98
  },
  "oklch": {
    "l": 0.6146,
    "c": 0.15699,
    "h": 264.9
  },
  "luminance": 0.22601
}

Semantic roles & 50–950 ramp

primary

#557FE2

secondary

#E4D4AF

accent

#9A13D3

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #557FE2

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

Preview Lab → · Contrast checker → · Palette generator →