#558FDF#558FDF

#558FDF is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.7% C 0.135 H 256.8°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#558FDF
RGB	rgb(85, 143, 223)
HSL	hsl(215, 68%, 60%)
HSV	hsv(215, 62%, 87%)
CMYK	cmyk(61.9%, 35.9%, 0%, 12.5%)
CIE-LAB	lab(58.88, 5.44, -46.39)
CIE-LCH	lch(58.88, 46.71, 276.69°)
OKLab	oklab(64.68% -0.0309 -0.1316)
OKLCH	oklch(64.68% 0.135 256.8)
XYZ	xyz(26.8833, 26.9014, 73.5735)
Luminance	0.2690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FDF #DFA555

analogous

#55D4DF #558FDF #6055DF

triadic

#558FDF #DF558F #8FDF55

tetradic

#558FDF #DF55D4 #DFA555 #55DF60

square

#558FDF #DF55D4 #DFA555 #55DF60

split-complementary

#558FDF #DF6055 #D4DF55

monochromatic

#1D539C #276ED0 #558FDF #89B1E9 #BCD3F2

Accessibility & contrast

On white

3.29

#558FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#558FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FDF

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FDF	#FFFFFF	#000000	##000000
##558FDF	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E2

Deuteranopia (green-blind)

#5A88DD

Tritanopia (blue-blind)

#00A1AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558fdf;
/* rgb */ color: rgb(85, 143, 223);
/* oklch */ color: oklch(64.7% 0.135 256.8);

Tailwind

colors: {
  custom: {
    50: '#91afe9',
    500: '#558fdf',
    950: '#000000',
  },
}

SCSS

$custom: #558fdf;
$custom-light: #91afe9;
$custom-dark: #000000;

JSON

{
  "hex": "#558fdf",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 223
  },
  "hsl": {
    "h": 214.783,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64679,
    "c": 0.13513,
    "h": 256.8
  },
  "luminance": 0.26904
}

Semantic roles & 50–950 ramp

primary

#558FDF

secondary

#E2CCAE

accent

#8215D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558FDF

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

Preview Lab → · Contrast checker → · Palette generator →