#557CE2#557CE2

#557CE2 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.8% C 0.161 H 266.0°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#557CE2
RGB	rgb(85, 124, 226)
HSL	hsl(223, 71%, 61%)
HSV	hsv(223, 62%, 89%)
CMYK	cmyk(62.4%, 45.1%, 0%, 11.4%)
CIE-LAB	lab(53.85, 17.89, -56.08)
CIE-LCH	lch(53.85, 58.86, 287.69°)
OKLab	oklab(60.84% -0.0111 -0.1602)
OKLCH	oklch(60.84% 0.161 266)
XYZ	xyz(24.6767, 21.8354, 74.8510)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CE2 #E2BB55

analogous

#55C2E2 #557CE2 #7455E2

triadic

#557CE2 #E2557C #7CE255

tetradic

#557CE2 #E255C2 #E2BB55 #55E274

square

#557CE2 #E255C2 #E2BB55 #55E274

split-complementary

#557CE2 #E27455 #C2E255

monochromatic

#1B40A1 #2455D5 #557CE2 #89A4EB #BECDF4

Accessibility & contrast

On white

3.91

#557CE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#557CE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CE2

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CE2	#FFFFFF	#000000	##000000
##557CE2	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B88E6

Deuteranopia (green-blind)

#337BE0

Tritanopia (blue-blind)

#0093A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557ce2;
/* rgb */ color: rgb(85, 124, 226);
/* oklch */ color: oklch(60.8% 0.161 266.0);

Tailwind

colors: {
  custom: {
    50: '#91a1ec',
    500: '#557ce2',
    950: '#000000',
  },
}

SCSS

$custom: #557ce2;
$custom-light: #91a1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#557ce2",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 226
  },
  "hsl": {
    "h": 223.404,
    "s": 70.854,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60843,
    "c": 0.16056,
    "h": 266
  },
  "luminance": 0.21838
}

Semantic roles & 50–950 ramp

primary

#557CE2

secondary

#E4D5AF

accent

#9E13D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #557CE2

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

Preview Lab → · Contrast checker → · Palette generator →