#557AE7#557AE7

#557AE7 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.8% C 0.170 H 267.2°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#557AE7
RGB	rgb(85, 122, 231)
HSL	hsl(225, 75%, 62%)
HSV	hsv(225, 63%, 91%)
CMYK	cmyk(63.2%, 47.2%, 0%, 9.4%)
CIE-LAB	lab(53.62, 20.81, -59.25)
CIE-LCH	lch(53.62, 62.80, 289.35°)
OKLab	oklab(60.76% -0.0084 -0.1695)
OKLCH	oklch(60.76% 0.17 267.2)
XYZ	xyz(25.1247, 21.6176, 78.4344)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557AE7 #E7C255

analogous

#55C3E7 #557AE7 #7955E7

triadic

#557AE7 #E7557A #7AE755

tetradic

#557AE7 #E755C3 #E7C255 #55E779

square

#557AE7 #E755C3 #E7C255 #55E779

split-complementary

#557AE7 #E77955 #C3E755

monochromatic

#183DAA #2050DF #557AE7 #8BA4EF #C0CEF6

Accessibility & contrast

On white

3.94

#557AE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#557AE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557AE7

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557AE7	#FFFFFF	#000000	##000000
##557AE7	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4287EB

Deuteranopia (green-blind)

#257AE5

Tritanopia (blue-blind)

#0093A5

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #557ae7;
/* rgb */ color: rgb(85, 122, 231);
/* oklch */ color: oklch(60.8% 0.170 267.2);

Tailwind

colors: {
  custom: {
    50: '#92a0ef',
    500: '#557ae7',
    950: '#000000',
  },
}

SCSS

$custom: #557ae7;
$custom-light: #92a0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#557ae7",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 231
  },
  "hsl": {
    "h": 224.795,
    "s": 75.258,
    "l": 61.961
  },
  "oklch": {
    "l": 0.60761,
    "c": 0.16975,
    "h": 267.2
  },
  "luminance": 0.2162
}

Semantic roles & 50–950 ramp

primary

#557AE7

secondary

#E7D9B1

accent

#A40ED7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #557AE7

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

Preview Lab → · Contrast checker → · Palette generator →