#558EB9#558EB9

#558EB9 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.5% C 0.089 H 242.6°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#558EB9
RGB	rgb(85, 142, 185)
HSL	hsl(206, 42%, 53%)
HSV	hsv(206, 54%, 73%)
CMYK	cmyk(54.1%, 23.2%, 0%, 27.5%)
CIE-LAB	lab(56.86, -6.25, -28.17)
CIE-LCH	lch(56.86, 28.85, 257.49°)
OKLab	oklab(62.52% -0.0409 -0.0787)
OKLCH	oklch(62.52% 0.089 242.6)
XYZ	xyz(22.1731, 24.7782, 49.5037)
Luminance	0.2478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EB9 #B98055

analogous

#55B9B2 #558EB9 #555CB9

triadic

#558EB9 #B9558E #8EB955

tetradic

#558EB9 #B255B9 #B98055 #5CB955

square

#558EB9 #B255B9 #B98055 #5CB955

split-complementary

#558EB9 #B9555C #B9B255

monochromatic

#2B4E69 #3D6E94 #558EB9 #80ABCB #ACC8DD

Accessibility & contrast

On white

3.53

#558EB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#558EB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EB9

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EB9	#FFFFFF	#000000	##000000
##558EB9	1.00	3.53	5.96	5.96
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8EBB

Deuteranopia (green-blind)

#6E84B8

Tritanopia (blue-blind)

#13999D

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558eb9;
/* rgb */ color: rgb(85, 142, 185);
/* oklch */ color: oklch(62.5% 0.089 242.6);

Tailwind

colors: {
  custom: {
    50: '#8cafce',
    500: '#558eb9',
    950: '#000000',
  },
}

SCSS

$custom: #558eb9;
$custom-light: #8cafce;
$custom-dark: #000000;

JSON

{
  "hex": "#558eb9",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 185
  },
  "hsl": {
    "h": 205.8,
    "s": 41.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62519,
    "c": 0.0887,
    "h": 242.6
  },
  "luminance": 0.2478
}

Semantic roles & 50–950 ramp

primary

#558EB9

secondary

#CBB29F

accent

#8B56D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1013

muted

#7D7F82

Preview Lab

Preview with #558EB9

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

Preview Lab → · Contrast checker → · Palette generator →