#5BBCE4#5BBCE4

#5BBCE4 is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.2% C 0.107 H 227.8°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCE4
RGB	rgb(91, 188, 228)
HSL	hsl(198, 72%, 63%)
HSV	hsv(198, 60%, 89%)
CMYK	cmyk(60.1%, 17.5%, 0%, 10.6%)
CIE-LAB	lab(72.09, -16.93, -28.54)
CIE-LCH	lch(72.09, 33.18, 239.32°)
OKLab	oklab(75.24% -0.0722 -0.0796)
OKLCH	oklch(75.24% 0.107 227.8)
XYZ	xyz(36.2957, 43.7884, 79.9230)
Luminance	0.4379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCE4 #E4835B

analogous

#5BE4C7 #5BBCE4 #5B78E4

triadic

#5BBCE4 #E45BBC #BCE45B

tetradic

#5BBCE4 #C75BE4 #E4835B #78E45B

square

#5BBCE4 #C75BE4 #E4835B #78E45B

split-complementary

#5BBCE4 #E45B78 #E4C75B

monochromatic

#1C80A9 #26A7DB #5BBCE4 #90D1ED #C4E7F5

Accessibility & contrast

On white

2.15

#5BBCE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#5BBCE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCE4

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCE4	#FFFFFF	#000000	##000000
##5BBCE4	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B9E6

Deuteranopia (green-blind)

#94AAE4

Tritanopia (blue-blind)

#00C8C9

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #5bbce4;
/* rgb */ color: rgb(91, 188, 228);
/* oklch */ color: oklch(75.2% 0.107 227.8);

Tailwind

colors: {
  custom: {
    50: '#95d0ec',
    500: '#5bbce4',
    950: '#000000',
  },
}

SCSS

$custom: #5bbce4;
$custom-light: #95d0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbce4",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 228
  },
  "hsl": {
    "h": 197.518,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.75236,
    "c": 0.10745,
    "h": 227.8
  },
  "luminance": 0.43792
}

Semantic roles & 50–950 ramp

primary

#5BBCE4

secondary

#E6C3B4

accent

#4A12D4

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBCE4

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

Preview Lab → · Contrast checker → · Palette generator →