#558BCF#558BCF

#558BCF is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.118 H 254.9°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#558BCF
RGB	rgb(85, 139, 207)
HSL	hsl(213, 56%, 57%)
HSV	hsv(213, 59%, 81%)
CMYK	cmyk(58.9%, 32.9%, 0%, 18.8%)
CIE-LAB	lab(56.98, 2.51, -40.43)
CIE-LCH	lch(56.98, 40.51, 273.55°)
OKLab	oklab(62.93% -0.0307 -0.1142)
OKLCH	oklch(62.93% 0.118 254.9)
XYZ	xyz(24.2374, 24.8994, 62.5482)
Luminance	0.2490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BCF #CF9955

analogous

#55C8CF #558BCF #5C55CF

triadic

#558BCF #CF558B #8BCF55

tetradic

#558BCF #CF55C8 #CF9955 #55CF5C

square

#558BCF #CF55C8 #CF9955 #55CF5C

split-complementary

#558BCF #CF5C55 #C8CF55

monochromatic

#254F84 #336CB4 #558BCF #85ACDC #B4CCEA

Accessibility & contrast

On white

3.51

#558BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#558BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BCF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BCF	#FFFFFF	#000000	##000000
##558BCF	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8FD2

Deuteranopia (green-blind)

#5F83CE

Tritanopia (blue-blind)

#009AA3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558bcf;
/* rgb */ color: rgb(85, 139, 207);
/* oklch */ color: oklch(62.9% 0.118 254.9);

Tailwind

colors: {
  custom: {
    50: '#8eacde',
    500: '#558bcf',
    950: '#000000',
  },
}

SCSS

$custom: #558bcf;
$custom-light: #8eacde;
$custom-dark: #000000;

JSON

{
  "hex": "#558bcf",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 207
  },
  "hsl": {
    "h": 213.443,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.62935,
    "c": 0.11828,
    "h": 254.9
  },
  "luminance": 0.24902
}

Semantic roles & 50–950 ramp

primary

#558BCF

secondary

#D9C3A7

accent

#9D49DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558BCF

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

Preview Lab → · Contrast checker → · Palette generator →