#558FE0#558FE0

#558FE0 is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.7% C 0.136 H 257.0°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#558FE0
RGB	rgb(85, 143, 224)
HSL	hsl(215, 69%, 61%)
HSV	hsv(215, 62%, 88%)
CMYK	cmyk(62.1%, 36.2%, 0%, 12.2%)
CIE-LAB	lab(58.93, 5.77, -46.87)
CIE-LCH	lch(58.93, 47.23, 277.02°)
OKLab	oklab(64.73% -0.0306 -0.133)
OKLCH	oklch(64.73% 0.136 257)
XYZ	xyz(27.0185, 26.9555, 74.2856)
Luminance	0.2696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FE0 #E0A655

analogous

#55D4E0 #558FE0 #6055E0

triadic

#558FE0 #E0558F #8FE055

tetradic

#558FE0 #E055D4 #E0A655 #55E060

square

#558FE0 #E055D4 #E0A655 #55E060

split-complementary

#558FE0 #E06055 #D4E055

monochromatic

#1D539E #266ED2 #558FE0 #89B1E9 #BDD3F3

Accessibility & contrast

On white

3.29

#558FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#558FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FE0

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FE0	#FFFFFF	#000000	##000000
##558FE0	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C95E3

Deuteranopia (green-blind)

#5988DE

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558fe0;
/* rgb */ color: rgb(85, 143, 224);
/* oklch */ color: oklch(64.7% 0.136 257.0);

Tailwind

colors: {
  custom: {
    50: '#91afea',
    500: '#558fe0',
    950: '#000000',
  },
}

SCSS

$custom: #558fe0;
$custom-light: #91afea;
$custom-dark: #000000;

JSON

{
  "hex": "#558fe0",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 224
  },
  "hsl": {
    "h": 214.964,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64734,
    "c": 0.13643,
    "h": 257
  },
  "luminance": 0.26958
}

Semantic roles & 50–950 ramp

primary

#558FE0

secondary

#E3CDAE

accent

#8214D1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558FE0

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

Preview Lab → · Contrast checker → · Palette generator →