#558CE9#558CE9

#558CE9 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.151 H 260.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#558CE9
RGB	rgb(85, 140, 233)
HSL	hsl(218, 77%, 62%)
HSV	hsv(218, 64%, 91%)
CMYK	cmyk(63.5%, 39.9%, 0%, 8.6%)
CIE-LAB	lab(58.57, 10.57, -52.45)
CIE-LCH	lch(58.57, 53.51, 281.40°)
OKLab	oklab(64.61% -0.0256 -0.1493)
OKLCH	oklch(64.61% 0.152 260.3)
XYZ	xyz(27.8272, 26.5680, 80.7367)
Luminance	0.2657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CE9 #E9B255

analogous

#55D6E9 #558CE9 #6855E9

triadic

#558CE9 #E9558C #8CE955

tetradic

#558CE9 #E955D6 #E9B255 #55E968

square

#558CE9 #E955D6 #E9B255 #55E968

split-complementary

#558CE9 #E96855 #D6E955

monochromatic

#164EAD #1F67E2 #558CE9 #8BB1F0 #C1D5F7

Accessibility & contrast

On white

3.33

#558CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#558CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CE9

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CE9	#FFFFFF	#000000	##000000
##558CE9	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6294ED

Deuteranopia (green-blind)

#4D87E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #558ce9;
/* rgb */ color: rgb(85, 140, 233);
/* oklch */ color: oklch(64.6% 0.151 260.3);

Tailwind

colors: {
  custom: {
    50: '#92adf0',
    500: '#558ce9',
    950: '#000000',
  },
}

SCSS

$custom: #558ce9;
$custom-light: #92adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#558ce9",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 233
  },
  "hsl": {
    "h": 217.703,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64606,
    "c": 0.1515,
    "h": 260.3
  },
  "luminance": 0.26571
}

Semantic roles & 50–950 ramp

primary

#558CE9

secondary

#E8D4B2

accent

#8D0CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558CE9

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

Preview Lab → · Contrast checker → · Palette generator →