#55A4E9#55A4E9

#55A4E9 is a light, vivid cyan. Relative luminance 0.344; OKLCH L 69.8% C 0.128 H 247.2°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#55A4E9
RGB	rgb(85, 164, 233)
HSL	hsl(208, 77%, 62%)
HSV	hsv(208, 64%, 91%)
CMYK	cmyk(63.5%, 29.6%, 0%, 8.6%)
CIE-LAB	lab(65.25, -3.38, -41.90)
CIE-LCH	lch(65.25, 42.04, 265.39°)
OKLab	oklab(69.82% -0.0497 -0.1183)
OKLCH	oklch(69.82% 0.128 247.2)
XYZ	xyz(31.7243, 34.3623, 82.0357)
Luminance	0.3437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A4E9 #E99A55

analogous

#55E9E4 #55A4E9 #555AE9

triadic

#55A4E9 #E955A4 #A4E955

tetradic

#55A4E9 #E455E9 #E99A55 #5AE955

square

#55A4E9 #E455E9 #E99A55 #5AE955

split-complementary

#55A4E9 #E9555A #E9E455

monochromatic

#1667AD #1F87E2 #55A4E9 #8BC1F0 #C1DEF7

Accessibility & contrast

On white

2.67

#55A4E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#55A4E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A4E9

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A4E9	#FFFFFF	#000000	##000000
##55A4E9	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A6EC

Deuteranopia (green-blind)

#7298E8

Tritanopia (blue-blind)

#00B4BC

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #55a4e9;
/* rgb */ color: rgb(85, 164, 233);
/* oklch */ color: oklch(69.8% 0.128 247.2);

Tailwind

colors: {
  custom: {
    50: '#92bef0',
    500: '#55a4e9',
    950: '#000000',
  },
}

SCSS

$custom: #55a4e9;
$custom-light: #92bef0;
$custom-dark: #000000;

JSON

{
  "hex": "#55a4e9",
  "rgb": {
    "r": 85,
    "g": 164,
    "b": 233
  },
  "hsl": {
    "h": 207.973,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.69823,
    "c": 0.12828,
    "h": 247.2
  },
  "luminance": 0.34365
}

Semantic roles & 50–950 ramp

primary

#55A4E9

secondary

#E8CBB2

accent

#6C0CD9

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55A4E9

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

Preview Lab → · Contrast checker → · Palette generator →