#5598CB#5598CB

#5598CB is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.7% C 0.103 H 243.2°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#5598CB
RGB	rgb(85, 152, 203)
HSL	hsl(206, 53%, 56%)
HSV	hsv(206, 58%, 80%)
CMYK	cmyk(58.1%, 25.1%, 0%, 20.4%)
CIE-LAB	lab(60.51, -6.27, -32.66)
CIE-LCH	lch(60.51, 33.25, 259.14°)
OKLab	oklab(65.66% -0.0462 -0.0916)
OKLCH	oklch(65.66% 0.103 243.2)
XYZ	xyz(25.7501, 28.6972, 60.6705)
Luminance	0.2870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5598CB #CB8855

analogous

#55CBC3 #5598CB #555DCB

triadic

#5598CB #CB5598 #98CB55

tetradic

#5598CB #C355CB #CB8855 #5DCB55

square

#5598CB #C355CB #CB8855 #5DCB55

split-complementary

#5598CB #CB555D #CBC355

monochromatic

#27597F #357AAE #5598CB #84B4D9 #B3D1E8

Accessibility & contrast

On white

3.12

#5598CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#5598CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5598CB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5598CB	#FFFFFF	#000000	##000000
##5598CB	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CD

Deuteranopia (green-blind)

#728DCA

Tritanopia (blue-blind)

#00A4A9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5598cb;
/* rgb */ color: rgb(85, 152, 203);
/* oklch */ color: oklch(65.7% 0.103 243.2);

Tailwind

colors: {
  custom: {
    50: '#8eb6db',
    500: '#5598cb',
    950: '#000000',
  },
}

SCSS

$custom: #5598cb;
$custom-light: #8eb6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5598cb",
  "rgb": {
    "r": 85,
    "g": 152,
    "b": 203
  },
  "hsl": {
    "h": 205.932,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.65656,
    "c": 0.1026,
    "h": 243.2
  },
  "luminance": 0.287
}

Semantic roles & 50–950 ramp

primary

#5598CB

secondary

#D6BBA6

accent

#8A4BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5598CB

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

Preview Lab → · Contrast checker → · Palette generator →