#558BB7#558BB7

#558BB7 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.088 H 244.5°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#558BB7
RGB	rgb(85, 139, 183)
HSL	hsl(207, 40%, 53%)
HSV	hsv(207, 54%, 72%)
CMYK	cmyk(53.6%, 24%, 0%, 28.2%)
CIE-LAB	lab(55.90, -5.16, -28.51)
CIE-LCH	lch(55.90, 28.98, 259.75°)
OKLab	oklab(61.73% -0.038 -0.0797)
OKLCH	oklch(61.73% 0.088 244.5)
XYZ	xyz(21.5231, 23.8137, 48.2529)
Luminance	0.2382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BB7 #B78155

analogous

#55B7B2 #558BB7 #555AB7

triadic

#558BB7 #B7558B #8BB755

tetradic

#558BB7 #B255B7 #B78155 #5AB755

square

#558BB7 #B255B7 #B78155 #5AB755

split-complementary

#558BB7 #B7555A #B7B255

monochromatic

#2B4C66 #3E6C91 #558BB7 #80A8C9 #ABC6DB

Accessibility & contrast

On white

3.64

#558BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#558BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BB7

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BB7	#FFFFFF	#000000	##000000
##558BB7	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788CB9

Deuteranopia (green-blind)

#6B82B6

Tritanopia (blue-blind)

#19969A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #558bb7;
/* rgb */ color: rgb(85, 139, 183);
/* oklch */ color: oklch(61.7% 0.088 244.5);

Tailwind

colors: {
  custom: {
    50: '#8baccc',
    500: '#558bb7',
    950: '#000000',
  },
}

SCSS

$custom: #558bb7;
$custom-light: #8baccc;
$custom-dark: #000000;

JSON

{
  "hex": "#558bb7",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 183
  },
  "hsl": {
    "h": 206.939,
    "s": 40.496,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61735,
    "c": 0.08833,
    "h": 244.5
  },
  "luminance": 0.23815
}

Semantic roles & 50–950 ramp

primary

#558BB7

secondary

#C9B29F

accent

#8E57D0

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558BB7

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

Preview Lab → · Contrast checker → · Palette generator →