#557AF2#557AF2

#557AF2 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.5% C 0.184 H 267.8°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#557AF2
RGB	rgb(85, 122, 242)
HSL	hsl(226, 86%, 64%)
HSV	hsv(226, 65%, 95%)
CMYK	cmyk(64.9%, 49.6%, 0%, 5.1%)
CIE-LAB	lab(54.30, 24.55, -64.29)
CIE-LCH	lch(54.30, 68.82, 290.90°)
OKLab	oklab(61.5% -0.0071 -0.1844)
OKLCH	oklch(61.5% 0.185 267.8)
XYZ	xyz(26.7274, 22.2587, 86.8750)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557AF2 #F2CD55

analogous

#55C9F2 #557AF2 #7F55F2

triadic

#557AF2 #F2557A #7AF255

tetradic

#557AF2 #F255C9 #F2CD55 #55F27F

square

#557AF2 #F255C9 #F2CD55 #55F27F

split-complementary

#557AF2 #F27F55 #C9F255

monochromatic

#0F38BE #1C4EEE #557AF2 #8EA6F6 #C7D3FB

Accessibility & contrast

On white

3.85

#557AF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#557AF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557AF2

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557AF2	#FFFFFF	#000000	##000000
##557AF2	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3689F6

Deuteranopia (green-blind)

#007BF0

Tritanopia (blue-blind)

#0096AB

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557af2;
/* rgb */ color: rgb(85, 122, 242);
/* oklch */ color: oklch(61.5% 0.184 267.8);

Tailwind

colors: {
  custom: {
    50: '#94a0f7',
    500: '#557af2',
    950: '#000000',
  },
}

SCSS

$custom: #557af2;
$custom-light: #94a0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#557af2",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 242
  },
  "hsl": {
    "h": 225.86,
    "s": 85.792,
    "l": 64.118
  },
  "oklch": {
    "l": 0.61498,
    "c": 0.1845,
    "h": 267.8
  },
  "luminance": 0.22261
}

Semantic roles & 50–950 ramp

primary

#557AF2

secondary

#EDE0B6

accent

#AE03E2

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #557AF2

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

Preview Lab → · Contrast checker → · Palette generator →