#558FB5#558FB5

#558FB5 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.6% C 0.084 H 238.8°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#558FB5
RGB	rgb(85, 143, 181)
HSL	hsl(204, 39%, 52%)
HSV	hsv(204, 53%, 71%)
CMYK	cmyk(53%, 21%, 0%, 29%)
CIE-LAB	lab(56.99, -8.05, -25.69)
CIE-LCH	lch(56.99, 26.92, 252.61°)
OKLab	oklab(62.57% -0.0434 -0.0716)
OKLCH	oklch(62.57% 0.084 238.8)
XYZ	xyz(21.9062, 24.9106, 47.3609)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FB5 #B57B55

analogous

#55B5AB #558FB5 #555FB5

triadic

#558FB5 #B5558F #8FB555

tetradic

#558FB5 #AB55B5 #B57B55 #5FB555

square

#558FB5 #AB55B5 #B57B55 #5FB555

split-complementary

#558FB5 #B5555F #B5AB55

monochromatic

#2C4E64 #3E6F8F #558FB5 #80ABC8 #AAC7DA

Accessibility & contrast

On white

3.51

#558FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#558FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FB5

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FB5	#FFFFFF	#000000	##000000
##558FB5	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB7

Deuteranopia (green-blind)

#7184B4

Tritanopia (blue-blind)

#1A999C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558fb5;
/* rgb */ color: rgb(85, 143, 181);
/* oklch */ color: oklch(62.6% 0.084 238.8);

Tailwind

colors: {
  custom: {
    50: '#8bafcb',
    500: '#558fb5',
    950: '#000000',
  },
}

SCSS

$custom: #558fb5;
$custom-light: #8bafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#558fb5",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 203.75,
    "s": 39.344,
    "l": 52.157
  },
  "oklch": {
    "l": 0.62568,
    "c": 0.08377,
    "h": 238.8
  },
  "luminance": 0.24912
}

Semantic roles & 50–950 ramp

primary

#558FB5

secondary

#C8AF9E

accent

#8859CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558FB5

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

Preview Lab → · Contrast checker → · Palette generator →