#557EF8#557EF8

#557EF8 is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.7% C 0.188 H 266.9°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#557EF8
RGB	rgb(85, 126, 248)
HSL	hsl(225, 92%, 65%)
HSV	hsv(225, 66%, 97%)
CMYK	cmyk(65.7%, 49.2%, 0%, 2.7%)
CIE-LAB	lab(55.71, 24.16, -65.34)
CIE-LCH	lch(55.71, 69.66, 290.29°)
OKLab	oklab(62.69% -0.0101 -0.1874)
OKLCH	oklch(62.69% 0.188 266.9)
XYZ	xyz(28.1446, 23.6276, 91.8661)
Luminance	0.2363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EF8 #F8CF55

analogous

#55CFF8 #557EF8 #7D55F8

triadic

#557EF8 #F8557E #7EF855

tetradic

#557EF8 #F855CF #F8CF55 #55F87D

square

#557EF8 #F855CF #F8CF55 #55F87D

split-complementary

#557EF8 #F87D55 #CFF855

monochromatic

#0839CA #1A51F6 #557EF8 #90ABFA #CBD7FD

Accessibility & contrast

On white

3.67

#557EF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#557EF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EF8

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EF8	#FFFFFF	#000000	##000000
##557EF8	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#398DFC

Deuteranopia (green-blind)

#007EF6

Tritanopia (blue-blind)

#009BAF

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #557ef8;
/* rgb */ color: rgb(85, 126, 248);
/* oklch */ color: oklch(62.7% 0.188 266.9);

Tailwind

colors: {
  custom: {
    50: '#95a2fb',
    500: '#557ef8',
    950: '#000000',
  },
}

SCSS

$custom: #557ef8;
$custom-light: #95a2fb;
$custom-dark: #000000;

JSON

{
  "hex": "#557ef8",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 248
  },
  "hsl": {
    "h": 224.908,
    "s": 92.09,
    "l": 65.294
  },
  "oklch": {
    "l": 0.62692,
    "c": 0.18767,
    "h": 266.9
  },
  "luminance": 0.2363
}

Semantic roles & 50–950 ramp

primary

#557EF8

secondary

#F0E2B9

accent

#AC00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0F17

muted

#7E7E85

Preview Lab

Preview with #557EF8

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

Preview Lab → · Contrast checker → · Palette generator →