#55B5DE#55B5DE

#55B5DE is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.2% C 0.108 H 228.9°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#55B5DE
RGB	rgb(85, 181, 222)
HSL	hsl(198, 67%, 60%)
HSV	hsv(198, 62%, 87%)
CMYK	cmyk(61.7%, 18.5%, 0%, 12.9%)
CIE-LAB	lab(69.65, -16.16, -29.04)
CIE-LCH	lch(69.65, 33.23, 240.91°)
OKLab	oklab(73.16% -0.0708 -0.0811)
OKLCH	oklch(73.16% 0.108 228.9)
XYZ	xyz(33.4498, 40.2496, 75.0992)
Luminance	0.4025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B5DE #DE7E55

analogous

#55DEC2 #55B5DE #5570DE

triadic

#55B5DE #DE55B5 #B5DE55

tetradic

#55B5DE #C255DE #DE7E55 #70DE55

square

#55B5DE #C255DE #DE7E55 #70DE55

split-complementary

#55B5DE #DE5570 #DEC255

monochromatic

#1E759B #289CCE #55B5DE #88CBE8 #BCE2F2

Accessibility & contrast

On white

2.32

#55B5DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#55B5DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B5DE

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B5DE	#FFFFFF	#000000	##000000
##55B5DE	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B2E0

Deuteranopia (green-blind)

#8DA4DD

Tritanopia (blue-blind)

#00C1C2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #55b5de;
/* rgb */ color: rgb(85, 181, 222);
/* oklch */ color: oklch(73.2% 0.108 228.9);

Tailwind

colors: {
  custom: {
    50: '#91cbe8',
    500: '#55b5de',
    950: '#000000',
  },
}

SCSS

$custom: #55b5de;
$custom-light: #91cbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#55b5de",
  "rgb": {
    "r": 85,
    "g": 181,
    "b": 222
  },
  "hsl": {
    "h": 197.956,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.73159,
    "c": 0.10767,
    "h": 228.9
  },
  "luminance": 0.40253
}

Semantic roles & 50–950 ramp

primary

#55B5DE

secondary

#E2BDAD

accent

#4E16CF

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B5DE

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

Preview Lab → · Contrast checker → · Palette generator →