#558DB9#558DB9

#558DB9 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.3% C 0.089 H 243.6°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#558DB9
RGB	rgb(85, 141, 185)
HSL	hsl(206, 42%, 53%)
HSV	hsv(206, 54%, 73%)
CMYK	cmyk(54.1%, 23.8%, 0%, 27.5%)
CIE-LAB	lab(56.57, -5.68, -28.62)
CIE-LCH	lch(56.57, 29.18, 258.78°)
OKLab	oklab(62.29% -0.0397 -0.08)
OKLCH	oklch(62.29% 0.089 243.6)
XYZ	xyz(22.0250, 24.4820, 49.4544)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DB9 #B98155

analogous

#55B9B3 #558DB9 #555BB9

triadic

#558DB9 #B9558D #8DB955

tetradic

#558DB9 #B355B9 #B98155 #5BB955

square

#558DB9 #B355B9 #B98155 #5BB955

split-complementary

#558DB9 #B9555B #B9B355

monochromatic

#2B4D69 #3D6E94 #558DB9 #80AACB #ACC7DD

Accessibility & contrast

On white

3.56

#558DB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#558DB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DB9

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DB9	#FFFFFF	#000000	##000000
##558DB9	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8DBB

Deuteranopia (green-blind)

#6D83B8

Tritanopia (blue-blind)

#14989C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558db9;
/* rgb */ color: rgb(85, 141, 185);
/* oklch */ color: oklch(62.3% 0.089 243.6);

Tailwind

colors: {
  custom: {
    50: '#8caece',
    500: '#558db9',
    950: '#000000',
  },
}

SCSS

$custom: #558db9;
$custom-light: #8caece;
$custom-dark: #000000;

JSON

{
  "hex": "#558db9",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 185
  },
  "hsl": {
    "h": 206.4,
    "s": 41.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62289,
    "c": 0.08933,
    "h": 243.6
  },
  "luminance": 0.24484
}

Semantic roles & 50–950 ramp

primary

#558DB9

secondary

#CBB29F

accent

#8D56D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1013

muted

#7D7F82

Preview Lab

Preview with #558DB9

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

Preview Lab → · Contrast checker → · Palette generator →