#558CB9#558CB9

#558CB9 is a light, moderate cyan. Relative luminance 0.242; OKLCH L 62.1% C 0.090 H 244.7°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#558CB9
RGB	rgb(85, 140, 185)
HSL	hsl(207, 42%, 53%)
HSV	hsv(207, 54%, 73%)
CMYK	cmyk(54.1%, 24.3%, 0%, 27.5%)
CIE-LAB	lab(56.28, -5.11, -29.07)
CIE-LCH	lch(56.28, 29.52, 260.04°)
OKLab	oklab(62.06% -0.0385 -0.0813)
OKLCH	oklch(62.06% 0.09 244.7)
XYZ	xyz(21.8782, 24.1884, 49.4054)
Luminance	0.2419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CB9 #B98255

analogous

#55B9B4 #558CB9 #555AB9

triadic

#558CB9 #B9558C #8CB955

tetradic

#558CB9 #B455B9 #B98255 #5AB955

square

#558CB9 #B455B9 #B98255 #5AB955

split-complementary

#558CB9 #B9555A #B9B455

monochromatic

#2B4D69 #3D6D94 #558CB9 #80A9CB #ACC7DD

Accessibility & contrast

On white

3.60

#558CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#558CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CB9

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CB9	#FFFFFF	#000000	##000000
##558CB9	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBB

Deuteranopia (green-blind)

#6B82B8

Tritanopia (blue-blind)

#14979B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558cb9;
/* rgb */ color: rgb(85, 140, 185);
/* oklch */ color: oklch(62.1% 0.090 244.7);

Tailwind

colors: {
  custom: {
    50: '#8cadce',
    500: '#558cb9',
    950: '#000000',
  },
}

SCSS

$custom: #558cb9;
$custom-light: #8cadce;
$custom-dark: #000000;

JSON

{
  "hex": "#558cb9",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 185
  },
  "hsl": {
    "h": 207,
    "s": 41.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62059,
    "c": 0.08999,
    "h": 244.7
  },
  "luminance": 0.2419
}

Semantic roles & 50–950 ramp

primary

#558CB9

secondary

#CBB39F

accent

#8E56D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1013

muted

#7D7F82

Preview Lab

Preview with #558CB9

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

Preview Lab → · Contrast checker → · Palette generator →