#557BE6#557BE6

#557BE6 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.9% C 0.167 H 266.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#557BE6
RGB	rgb(85, 123, 230)
HSL	hsl(224, 74%, 62%)
HSV	hsv(224, 63%, 90%)
CMYK	cmyk(63%, 46.5%, 0%, 9.8%)
CIE-LAB	lab(53.82, 19.86, -58.37)
CIE-LCH	lch(53.82, 61.65, 288.79°)
OKLab	oklab(60.9% -0.0095 -0.1669)
OKLCH	oklch(60.9% 0.167 266.7)
XYZ	xyz(25.1073, 21.8081, 77.7338)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557BE6 #E6C055

analogous

#55C4E6 #557BE6 #7855E6

triadic

#557BE6 #E6557B #7BE655

tetradic

#557BE6 #E655C4 #E6C055 #55E678

square

#557BE6 #E655C4 #E6C055 #55E678

split-complementary

#557BE6 #E67855 #C4E655

monochromatic

#193EA8 #2152DD #557BE6 #8AA4EE #C0CEF6

Accessibility & contrast

On white

3.92

#557BE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#557BE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557BE6

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557BE6	#FFFFFF	#000000	##000000
##557BE6	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4588EA

Deuteranopia (green-blind)

#2A7AE4

Tritanopia (blue-blind)

#0094A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557be6;
/* rgb */ color: rgb(85, 123, 230);
/* oklch */ color: oklch(60.9% 0.167 266.7);

Tailwind

colors: {
  custom: {
    50: '#92a0ee',
    500: '#557be6',
    950: '#000000',
  },
}

SCSS

$custom: #557be6;
$custom-light: #92a0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#557be6",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 230
  },
  "hsl": {
    "h": 224.276,
    "s": 74.359,
    "l": 61.765
  },
  "oklch": {
    "l": 0.60897,
    "c": 0.16719,
    "h": 266.7
  },
  "luminance": 0.2181
}

Semantic roles & 50–950 ramp

primary

#557BE6

secondary

#E6D8B1

accent

#A20FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #557BE6

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

Preview Lab → · Contrast checker → · Palette generator →