#557AF1#557AF1

#557AF1 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.4% C 0.183 H 267.7°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#557AF1
RGB	rgb(85, 122, 241)
HSL	hsl(226, 85%, 64%)
HSV	hsv(226, 65%, 95%)
CMYK	cmyk(64.7%, 49.4%, 0%, 5.5%)
CIE-LAB	lab(54.24, 24.21, -63.84)
CIE-LCH	lch(54.24, 68.28, 290.77°)
OKLab	oklab(61.43% -0.0072 -0.183)
OKLCH	oklch(61.43% 0.183 267.7)
XYZ	xyz(26.5776, 22.1988, 86.0862)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557AF1 #F1CC55

analogous

#55C8F1 #557AF1 #7E55F1

triadic

#557AF1 #F1557A #7AF155

tetradic

#557AF1 #F155C8 #F1CC55 #55F17E

square

#557AF1 #F155C8 #F1CC55 #55F17E

split-complementary

#557AF1 #F17E55 #C8F155

monochromatic

#0F38BC #1C4EEC #557AF1 #8EA6F6 #C6D2FA

Accessibility & contrast

On white

3.86

#557AF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#557AF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557AF1

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557AF1	#FFFFFF	#000000	##000000
##557AF1	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3789F5

Deuteranopia (green-blind)

#017BEF

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557af1;
/* rgb */ color: rgb(85, 122, 241);
/* oklch */ color: oklch(61.4% 0.183 267.7);

Tailwind

colors: {
  custom: {
    50: '#94a0f6',
    500: '#557af1',
    950: '#000000',
  },
}

SCSS

$custom: #557af1;
$custom-light: #94a0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#557af1",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 241
  },
  "hsl": {
    "h": 225.769,
    "s": 84.783,
    "l": 63.922
  },
  "oklch": {
    "l": 0.6143,
    "c": 0.18317,
    "h": 267.7
  },
  "luminance": 0.22201
}

Semantic roles & 50–950 ramp

primary

#557AF1

secondary

#ECDFB6

accent

#AD04E1

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #557AF1

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

Preview Lab → · Contrast checker → · Palette generator →