#559AAF#559AAF

#559AAF is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.9% C 0.076 H 219.8°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#559AAF
RGB	rgb(85, 154, 175)
HSL	hsl(194, 36%, 51%)
HSV	hsv(194, 51%, 69%)
CMYK	cmyk(51.4%, 12%, 0%, 31.4%)
CIE-LAB	lab(60.01, -15.89, -17.66)
CIE-LCH	lch(60.01, 23.76, 228.02°)
OKLab	oklab(64.9% -0.0586 -0.0489)
OKLCH	oklch(64.9% 0.076 219.8)
XYZ	xyz(23.0368, 28.1357, 44.7659)
Luminance	0.2814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AAF #AF6A55

analogous

#55AF97 #559AAF #556DAF

triadic

#559AAF #AF559A #9AAF55

tetradic

#559AAF #9755AF #AF6A55 #6DAF55

square

#559AAF #9755AF #AF6A55 #6DAF55

split-complementary

#559AAF #AF556D #AF9755

monochromatic

#2C525E #407687 #559AAF #7FB3C3 #A8CBD6

Accessibility & contrast

On white

3.17

#559AAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#559AAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559AAF

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AAF	#FFFFFF	#000000	##000000
##559AAF	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D96B0

Deuteranopia (green-blind)

#7F8CAF

Tritanopia (blue-blind)

#1DA1A1

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #559aaf;
/* rgb */ color: rgb(85, 154, 175);
/* oklch */ color: oklch(64.9% 0.076 219.8);

Tailwind

colors: {
  custom: {
    50: '#8bb7c6',
    500: '#559aaf',
    950: '#000000',
  },
}

SCSS

$custom: #559aaf;
$custom-light: #8bb7c6;
$custom-dark: #000000;

JSON

{
  "hex": "#559aaf",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 175
  },
  "hsl": {
    "h": 194,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.64897,
    "c": 0.07634,
    "h": 219.8
  },
  "luminance": 0.28138
}

Semantic roles & 50–950 ramp

primary

#559AAF

secondary

#C4A59C

accent

#765CCC

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #559AAF

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

Preview Lab → · Contrast checker → · Palette generator →