#558DE9#558DE9

#558DE9 is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.8% C 0.150 H 259.8°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#558DE9
RGB	rgb(85, 141, 233)
HSL	hsl(217, 77%, 62%)
HSV	hsv(217, 64%, 91%)
CMYK	cmyk(63.5%, 39.5%, 0%, 8.6%)
CIE-LAB	lab(58.85, 9.98, -52.01)
CIE-LCH	lch(58.85, 52.96, 280.86°)
OKLab	oklab(64.82% -0.0266 -0.148)
OKLCH	oklch(64.82% 0.15 259.8)
XYZ	xyz(27.9740, 26.8616, 80.7856)
Luminance	0.2686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DE9 #E9B155

analogous

#55D7E9 #558DE9 #6755E9

triadic

#558DE9 #E9558D #8DE955

tetradic

#558DE9 #E955D7 #E9B155 #55E967

square

#558DE9 #E955D7 #E9B155 #55E967

split-complementary

#558DE9 #E96755 #D7E955

monochromatic

#164FAD #1F69E2 #558DE9 #8BB1F0 #C1D6F7

Accessibility & contrast

On white

3.30

#558DE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#558DE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DE9

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DE9	#FFFFFF	#000000	##000000
##558DE9	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6495ED

Deuteranopia (green-blind)

#4E87E7

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558de9;
/* rgb */ color: rgb(85, 141, 233);
/* oklch */ color: oklch(64.8% 0.150 259.8);

Tailwind

colors: {
  custom: {
    50: '#92adf0',
    500: '#558de9',
    950: '#000000',
  },
}

SCSS

$custom: #558de9;
$custom-light: #92adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#558de9",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 233
  },
  "hsl": {
    "h": 217.297,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64818,
    "c": 0.1504,
    "h": 259.8
  },
  "luminance": 0.26864
}

Semantic roles & 50–950 ramp

primary

#558DE9

secondary

#E8D3B2

accent

#8C0CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DE9

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

Preview Lab → · Contrast checker → · Palette generator →