#558FE9#558FE9

#558FE9 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.2% C 0.148 H 258.9°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#558FE9
RGB	rgb(85, 143, 233)
HSL	hsl(216, 77%, 62%)
HSV	hsv(216, 64%, 91%)
CMYK	cmyk(63.5%, 38.6%, 0%, 8.6%)
CIE-LAB	lab(59.39, 8.79, -51.14)
CIE-LCH	lch(59.39, 51.89, 279.75°)
OKLab	oklab(65.24% -0.0285 -0.1454)
OKLCH	oklch(65.24% 0.148 258.9)
XYZ	xyz(28.2715, 27.4567, 80.8848)
Luminance	0.2746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FE9 #E9AF55

analogous

#55D9E9 #558FE9 #6555E9

triadic

#558FE9 #E9558F #8FE955

tetradic

#558FE9 #E955D9 #E9AF55 #55E965

square

#558FE9 #E955D9 #E9AF55 #55E965

split-complementary

#558FE9 #E96555 #D9E955

monochromatic

#1652AD #1F6BE2 #558FE9 #8BB3F0 #C1D6F7

Accessibility & contrast

On white

3.23

#558FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#558FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FE9

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FE9	#FFFFFF	#000000	##000000
##558FE9	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796ED

Deuteranopia (green-blind)

#5289E7

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #558fe9;
/* rgb */ color: rgb(85, 143, 233);
/* oklch */ color: oklch(65.2% 0.148 258.9);

Tailwind

colors: {
  custom: {
    50: '#92aff0',
    500: '#558fe9',
    950: '#000000',
  },
}

SCSS

$custom: #558fe9;
$custom-light: #92aff0;
$custom-dark: #000000;

JSON

{
  "hex": "#558fe9",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 233
  },
  "hsl": {
    "h": 216.486,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.65244,
    "c": 0.14823,
    "h": 258.9
  },
  "luminance": 0.27459
}

Semantic roles & 50–950 ramp

primary

#558FE9

secondary

#E8D3B2

accent

#890CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558FE9

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

Preview Lab → · Contrast checker → · Palette generator →