#55A0EF#55A0EF

#55A0EF is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.3% C 0.139 H 251.5°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#55A0EF
RGB	rgb(85, 160, 239)
HSL	hsl(211, 83%, 64%)
HSV	hsv(211, 64%, 94%)
CMYK	cmyk(64.4%, 33.1%, 0%, 6.3%)
CIE-LAB	lab(64.40, 0.87, -46.53)
CIE-LCH	lch(64.40, 46.53, 271.07°)
OKLab	oklab(69.25% -0.044 -0.1318)
OKLCH	oklch(69.25% 0.139 251.5)
XYZ	xyz(31.8914, 33.3017, 86.3918)
Luminance	0.3331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A0EF #EFA455

analogous

#55EDEF #55A0EF #5755EF

triadic

#55A0EF #EF55A0 #A0EF55

tetradic

#55A0EF #EF55ED #EFA455 #55EF57

square

#55A0EF #EF55ED #EFA455 #55EF57

split-complementary

#55A0EF #EF5755 #EDEF55

monochromatic

#1163B8 #1D81EA #55A0EF #8DBFF4 #C5DFFA

Accessibility & contrast

On white

2.74

#55A0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#55A0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A0EF

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A0EF	#FFFFFF	#000000	##000000
##55A0EF	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA4F2

Deuteranopia (green-blind)

#6896ED

Tritanopia (blue-blind)

#00B2BC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #55a0ef;
/* rgb */ color: rgb(85, 160, 239);
/* oklch */ color: oklch(69.3% 0.139 251.5);

Tailwind

colors: {
  custom: {
    50: '#93bbf4',
    500: '#55a0ef',
    950: '#000000',
  },
}

SCSS

$custom: #55a0ef;
$custom-light: #93bbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#55a0ef",
  "rgb": {
    "r": 85,
    "g": 160,
    "b": 239
  },
  "hsl": {
    "h": 210.779,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6925,
    "c": 0.1389,
    "h": 251.5
  },
  "luminance": 0.33305
}

Semantic roles & 50–950 ramp

primary

#55A0EF

secondary

#EBD1B5

accent

#7606DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #55A0EF

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

Preview Lab → · Contrast checker → · Palette generator →