#558BB2#558BB2

#558BB2 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.083 H 241.3°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#558BB2
RGB	rgb(85, 139, 178)
HSL	hsl(205, 38%, 52%)
HSV	hsv(205, 52%, 70%)
CMYK	cmyk(52.2%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(55.69, -6.70, -25.98)
CIE-LCH	lch(55.69, 26.83, 255.54°)
OKLab	oklab(61.5% -0.0397 -0.0725)
OKLCH	oklch(61.5% 0.083 241.3)
XYZ	xyz(21.0119, 23.6092, 45.5606)
Luminance	0.2361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BB2 #B27C55

analogous

#55B2AB #558BB2 #555DB2

triadic

#558BB2 #B2558B #8BB255

tetradic

#558BB2 #AB55B2 #B27C55 #5DB255

square

#558BB2 #AB55B2 #B27C55 #5DB255

split-complementary

#558BB2 #B2555D #B2AB55

monochromatic

#2C4B61 #3F6B8B #558BB2 #7FA8C5 #A9C4D8

Accessibility & contrast

On white

3.67

#558BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#558BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BB2

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BB2	#FFFFFF	#000000	##000000
##558BB2	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB4

Deuteranopia (green-blind)

#6D81B1

Tritanopia (blue-blind)

#209598

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #558bb2;
/* rgb */ color: rgb(85, 139, 178);
/* oklch */ color: oklch(61.5% 0.083 241.3);

Tailwind

colors: {
  custom: {
    50: '#8bacc9',
    500: '#558bb2',
    950: '#000000',
  },
}

SCSS

$custom: #558bb2;
$custom-light: #8bacc9;
$custom-dark: #000000;

JSON

{
  "hex": "#558bb2",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 205.161,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61504,
    "c": 0.08265,
    "h": 241.3
  },
  "luminance": 0.23611
}

Semantic roles & 50–950 ramp

primary

#558BB2

secondary

#C6AE9D

accent

#8B5ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558BB2

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

Preview Lab → · Contrast checker → · Palette generator →