#558BB9#558BB9

#558BB9 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.8% C 0.091 H 245.7°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#558BB9
RGB	rgb(85, 139, 185)
HSL	hsl(208, 42%, 53%)
HSV	hsv(208, 54%, 73%)
CMYK	cmyk(54.1%, 24.9%, 0%, 27.5%)
CIE-LAB	lab(55.98, -4.53, -29.52)
CIE-LCH	lch(55.98, 29.87, 261.27°)
OKLab	oklab(61.83% -0.0373 -0.0826)
OKLCH	oklch(61.83% 0.091 245.7)
XYZ	xyz(21.7328, 23.8975, 49.3570)
Luminance	0.2390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BB9 #B98355

analogous

#55B9B5 #558BB9 #5559B9

triadic

#558BB9 #B9558B #8BB955

tetradic

#558BB9 #B555B9 #B98355 #59B955

square

#558BB9 #B555B9 #B98355 #59B955

split-complementary

#558BB9 #B95559 #B9B555

monochromatic

#2B4C69 #3D6C94 #558BB9 #80A9CB #ACC6DD

Accessibility & contrast

On white

3.63

#558BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#558BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BB9

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BB9	#FFFFFF	#000000	##000000
##558BB9	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788CBB

Deuteranopia (green-blind)

#6A82B8

Tritanopia (blue-blind)

#15969B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #558bb9;
/* rgb */ color: rgb(85, 139, 185);
/* oklch */ color: oklch(61.8% 0.091 245.7);

Tailwind

colors: {
  custom: {
    50: '#8cacce',
    500: '#558bb9',
    950: '#000000',
  },
}

SCSS

$custom: #558bb9;
$custom-light: #8cacce;
$custom-dark: #000000;

JSON

{
  "hex": "#558bb9",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 207.6,
    "s": 41.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61829,
    "c": 0.09068,
    "h": 245.7
  },
  "luminance": 0.23899
}

Semantic roles & 50–950 ramp

primary

#558BB9

secondary

#CBB39F

accent

#8F56D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558BB9

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

Preview Lab → · Contrast checker → · Palette generator →