#557DE2#557DE2

#557DE2 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.0% C 0.159 H 265.7°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#557DE2
RGB	rgb(85, 125, 226)
HSL	hsl(223, 71%, 61%)
HSV	hsv(223, 62%, 89%)
CMYK	cmyk(62.4%, 44.7%, 0%, 11.4%)
CIE-LAB	lab(54.12, 17.27, -55.65)
CIE-LCH	lch(54.12, 58.27, 287.25°)
OKLab	oklab(61.05% -0.0121 -0.1589)
OKLCH	oklch(61.05% 0.159 265.7)
XYZ	xyz(24.8027, 22.0873, 74.8930)
Luminance	0.2209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DE2 #E2BA55

analogous

#55C3E2 #557DE2 #7355E2

triadic

#557DE2 #E2557D #7DE255

tetradic

#557DE2 #E255C3 #E2BA55 #55E273

square

#557DE2 #E255C3 #E2BA55 #55E273

split-complementary

#557DE2 #E27355 #C3E255

monochromatic

#1B41A1 #2457D5 #557DE2 #89A5EB #BECDF4

Accessibility & contrast

On white

3.88

#557DE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#557DE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DE2

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DE2	#FFFFFF	#000000	##000000
##557DE2	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D88E6

Deuteranopia (green-blind)

#367BE0

Tritanopia (blue-blind)

#0094A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557de2;
/* rgb */ color: rgb(85, 125, 226);
/* oklch */ color: oklch(61.0% 0.159 265.7);

Tailwind

colors: {
  custom: {
    50: '#91a2ec',
    500: '#557de2',
    950: '#000000',
  },
}

SCSS

$custom: #557de2;
$custom-light: #91a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#557de2",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 226
  },
  "hsl": {
    "h": 222.979,
    "s": 70.854,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61048,
    "c": 0.15937,
    "h": 265.7
  },
  "luminance": 0.2209
}

Semantic roles & 50–950 ramp

primary

#557DE2

secondary

#E4D5AF

accent

#9C13D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #557DE2

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

Preview Lab → · Contrast checker → · Palette generator →