#558FBA#558FBA

#558FBA is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.8% C 0.089 H 242.1°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#558FBA
RGB	rgb(85, 143, 186)
HSL	hsl(206, 42%, 53%)
HSV	hsv(206, 54%, 73%)
CMYK	cmyk(54.3%, 23.1%, 0%, 27.1%)
CIE-LAB	lab(57.19, -6.51, -28.22)
CIE-LCH	lch(57.19, 28.96, 257.02°)
OKLab	oklab(62.8% -0.0417 -0.0789)
OKLCH	oklch(62.8% 0.089 242.1)
XYZ	xyz(22.4285, 25.1195, 50.1115)
Luminance	0.2512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FBA #BA8055

analogous

#55BAB2 #558FBA #555CBA

triadic

#558FBA #BA558F #8FBA55

tetradic

#558FBA #B255BA #BA8055 #5CBA55

square

#558FBA #B255BA #BA8055 #5CBA55

split-complementary

#558FBA #BA555C #BAB255

monochromatic

#2B4F6A #3D6F95 #558FBA #81ACCC #ACC8DD

Accessibility & contrast

On white

3.49

#558FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#558FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FBA

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FBA	#FFFFFF	#000000	##000000
##558FBA	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBC

Deuteranopia (green-blind)

#6F85B9

Tritanopia (blue-blind)

#109A9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558fba;
/* rgb */ color: rgb(85, 143, 186);
/* oklch */ color: oklch(62.8% 0.089 242.1);

Tailwind

colors: {
  custom: {
    50: '#8cafcf',
    500: '#558fba',
    950: '#000000',
  },
}

SCSS

$custom: #558fba;
$custom-light: #8cafcf;
$custom-dark: #000000;

JSON

{
  "hex": "#558fba",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 186
  },
  "hsl": {
    "h": 205.545,
    "s": 42.259,
    "l": 53.137
  },
  "oklch": {
    "l": 0.62796,
    "c": 0.08921,
    "h": 242.1
  },
  "luminance": 0.25121
}

Semantic roles & 50–950 ramp

primary

#558FBA

secondary

#CBB2A0

accent

#8B56D2

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1013

muted

#7D7F82

Preview Lab

Preview with #558FBA

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

Preview Lab → · Contrast checker → · Palette generator →