#558DBB#558DBB

#558DBB is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.4% C 0.092 H 244.8°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#558DBB
RGB	rgb(85, 141, 187)
HSL	hsl(207, 43%, 53%)
HSV	hsv(207, 55%, 73%)
CMYK	cmyk(54.5%, 24.6%, 0%, 26.7%)
CIE-LAB	lab(56.65, -5.06, -29.63)
CIE-LCH	lch(56.65, 30.06, 260.32°)
OKLab	oklab(62.38% -0.039 -0.0829)
OKLCH	oklch(62.38% 0.092 244.8)
XYZ	xyz(22.2376, 24.5671, 50.5741)
Luminance	0.2457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DBB #BB8355

analogous

#55BBB6 #558DBB #555ABB

triadic

#558DBB #BB558D #8DBB55

tetradic

#558DBB #B655BB #BB8355 #5ABB55

square

#558DBB #B655BB #BB8355 #5ABB55

split-complementary

#558DBB #BB555A #BBB655

monochromatic

#2B4E6B #3C6E97 #558DBB #81AACC #ACC8DE

Accessibility & contrast

On white

3.55

#558DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#558DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DBB

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DBB	#FFFFFF	#000000	##000000
##558DBB	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798EBD

Deuteranopia (green-blind)

#6C83BA

Tritanopia (blue-blind)

#0F989D

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558dbb;
/* rgb */ color: rgb(85, 141, 187);
/* oklch */ color: oklch(62.4% 0.092 244.8);

Tailwind

colors: {
  custom: {
    50: '#8caecf',
    500: '#558dbb',
    950: '#000000',
  },
}

SCSS

$custom: #558dbb;
$custom-light: #8caecf;
$custom-dark: #000000;

JSON

{
  "hex": "#558dbb",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 187
  },
  "hsl": {
    "h": 207.059,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.62383,
    "c": 0.09164,
    "h": 244.8
  },
  "luminance": 0.24569
}

Semantic roles & 50–950 ramp

primary

#558DBB

secondary

#CCB4A0

accent

#8E55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1014

muted

#7D7F82

Preview Lab

Preview with #558DBB

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

Preview Lab → · Contrast checker → · Palette generator →