#558BBF#558BBF

#558BBF is a light, moderate cyan. Relative luminance 0.242; OKLCH L 62.1% C 0.098 H 248.8°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#558BBF
RGB	rgb(85, 139, 191)
HSL	hsl(209, 45%, 54%)
HSV	hsv(209, 55%, 75%)
CMYK	cmyk(55.5%, 27.2%, 0%, 25.1%)
CIE-LAB	lab(56.24, -2.65, -32.53)
CIE-LCH	lch(56.24, 32.64, 265.35°)
OKLab	oklab(62.12% -0.0354 -0.0913)
OKLCH	oklch(62.12% 0.098 248.8)
XYZ	xyz(22.3795, 24.1562, 52.7634)
Luminance	0.2416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BBF #BF8955

analogous

#55BFBE #558BBF #5556BF

triadic

#558BBF #BF558B #8BBF55

tetradic

#558BBF #BE55BF #BF8955 #56BF55

square

#558BBF #BE55BF #BF8955 #56BF55

split-complementary

#558BBF #BF5556 #BFBE55

monochromatic

#2A4D70 #3B6C9C #558BBF #81A9D0 #AEC8E0

Accessibility & contrast

On white

3.60

#558BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#558BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BBF

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BBF	#FFFFFF	#000000	##000000
##558BBF	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758DC1

Deuteranopia (green-blind)

#6782BE

Tritanopia (blue-blind)

#04979D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558bbf;
/* rgb */ color: rgb(85, 139, 191);
/* oklch */ color: oklch(62.1% 0.098 248.8);

Tailwind

colors: {
  custom: {
    50: '#8cacd2',
    500: '#558bbf',
    950: '#000000',
  },
}

SCSS

$custom: #558bbf;
$custom-light: #8cacd2;
$custom-dark: #000000;

JSON

{
  "hex": "#558bbf",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 209.434,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62119,
    "c": 0.09793,
    "h": 248.8
  },
  "luminance": 0.24158
}

Semantic roles & 50–950 ramp

primary

#558BBF

secondary

#CEB7A1

accent

#9353D5

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #558BBF

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

Preview Lab → · Contrast checker → · Palette generator →