#559DCB#559DCB

#559DCB is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.8% C 0.100 H 238.7°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#559DCB
RGB	rgb(85, 157, 203)
HSL	hsl(203, 53%, 56%)
HSV	hsv(203, 58%, 80%)
CMYK	cmyk(58.1%, 22.7%, 0%, 20.4%)
CIE-LAB	lab(61.96, -9.06, -30.41)
CIE-LCH	lch(61.96, 31.74, 253.40°)
OKLab	oklab(66.8% -0.0517 -0.0851)
OKLCH	oklch(66.8% 0.1 238.7)
XYZ	xyz(26.5787, 30.3546, 60.9467)
Luminance	0.3036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DCB #CB8355

analogous

#55CBBE #559DCB #5562CB

triadic

#559DCB #CB559D #9DCB55

tetradic

#559DCB #BE55CB #CB8355 #62CB55

square

#559DCB #BE55CB #CB8355 #62CB55

split-complementary

#559DCB #CB5562 #CBBE55

monochromatic

#275C7F #357FAE #559DCB #84B8D9 #B3D3E8

Accessibility & contrast

On white

2.97

#559DCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#559DCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DCB

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DCB	#FFFFFF	#000000	##000000
##559DCB	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCD

Deuteranopia (green-blind)

#7890CA

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559dcb;
/* rgb */ color: rgb(85, 157, 203);
/* oklch */ color: oklch(66.8% 0.100 238.7);

Tailwind

colors: {
  custom: {
    50: '#8eb9db',
    500: '#559dcb',
    950: '#000000',
  },
}

SCSS

$custom: #559dcb;
$custom-light: #8eb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#559dcb",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 203
  },
  "hsl": {
    "h": 203.39,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.66799,
    "c": 0.09961,
    "h": 238.7
  },
  "luminance": 0.30357
}

Semantic roles & 50–950 ramp

primary

#559DCB

secondary

#D6B9A6

accent

#844BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559DCB

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

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