#558DB5#558DB5

#558DB5 is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.1% C 0.085 H 241.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#558DB5
RGB	rgb(85, 141, 181)
HSL	hsl(205, 39%, 52%)
HSV	hsv(205, 53%, 71%)
CMYK	cmyk(53%, 22.1%, 0%, 29%)
CIE-LAB	lab(56.40, -6.91, -26.60)
CIE-LCH	lch(56.40, 27.48, 255.43°)
OKLab	oklab(62.1% -0.0411 -0.0742)
OKLCH	oklch(62.1% 0.085 241.1)
XYZ	xyz(21.6087, 24.3155, 47.2617)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DB5 #B57D55

analogous

#55B5AD #558DB5 #555DB5

triadic

#558DB5 #B5558D #8DB555

tetradic

#558DB5 #AD55B5 #B57D55 #5DB555

square

#558DB5 #AD55B5 #B57D55 #5DB555

split-complementary

#558DB5 #B5555D #B5AD55

monochromatic

#2C4D64 #3E6D8F #558DB5 #80AAC8 #AAC6DA

Accessibility & contrast

On white

3.58

#558DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#558DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DB5

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DB5	#FFFFFF	#000000	##000000
##558DB5	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB7

Deuteranopia (green-blind)

#6E83B4

Tritanopia (blue-blind)

#1B979A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558db5;
/* rgb */ color: rgb(85, 141, 181);
/* oklch */ color: oklch(62.1% 0.085 241.1);

Tailwind

colors: {
  custom: {
    50: '#8baecb',
    500: '#558db5',
    950: '#000000',
  },
}

SCSS

$custom: #558db5;
$custom-light: #8baecb;
$custom-dark: #000000;

JSON

{
  "hex": "#558db5",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 181
  },
  "hsl": {
    "h": 205,
    "s": 39.344,
    "l": 52.157
  },
  "oklch": {
    "l": 0.62104,
    "c": 0.08483,
    "h": 241.1
  },
  "luminance": 0.24317
}

Semantic roles & 50–950 ramp

primary

#558DB5

secondary

#C8AF9E

accent

#8A59CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558DB5

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

Preview Lab → · Contrast checker → · Palette generator →