#558DF1#558DF1

#558DF1 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.3% C 0.161 H 261.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#558DF1
RGB	rgb(85, 141, 241)
HSL	hsl(218, 85%, 64%)
HSV	hsv(218, 65%, 95%)
CMYK	cmyk(64.7%, 41.5%, 0%, 5.5%)
CIE-LAB	lab(59.28, 12.69, -55.76)
CIE-LCH	lch(59.28, 57.18, 282.82°)
OKLab	oklab(65.29% -0.0249 -0.159)
OKLCH	oklch(65.29% 0.161 261.1)
XYZ	xyz(29.1428, 27.3291, 86.9413)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DF1 #F1B955

analogous

#55DBF1 #558DF1 #6B55F1

triadic

#558DF1 #F1558D #8DF155

tetradic

#558DF1 #F155DB #F1B955 #55F16B

square

#558DF1 #F155DB #F1B955 #55F16B

split-complementary

#558DF1 #F16B55 #DBF155

monochromatic

#0F4DBC #1C67EC #558DF1 #8EB3F6 #C6D9FA

Accessibility & contrast

On white

3.25

#558DF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#558DF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DF1

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DF1	#FFFFFF	#000000	##000000
##558DF1	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F96F5

Deuteranopia (green-blind)

#4688EF

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #558df1;
/* rgb */ color: rgb(85, 141, 241);
/* oklch */ color: oklch(65.3% 0.161 261.1);

Tailwind

colors: {
  custom: {
    50: '#93adf6',
    500: '#558df1',
    950: '#000000',
  },
}

SCSS

$custom: #558df1;
$custom-light: #93adf6;
$custom-dark: #000000;

JSON

{
  "hex": "#558df1",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 241
  },
  "hsl": {
    "h": 218.462,
    "s": 84.783,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65293,
    "c": 0.16096,
    "h": 261.1
  },
  "luminance": 0.27332
}

Semantic roles & 50–950 ramp

primary

#558DF1

secondary

#ECD9B6

accent

#9204E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DF1

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

Preview Lab → · Contrast checker → · Palette generator →