#5BBCE5#5BBCE5

#5BBCE5 is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.3% C 0.108 H 228.4°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCE5
RGB	rgb(91, 188, 229)
HSL	hsl(198, 73%, 63%)
HSV	hsv(198, 60%, 90%)
CMYK	cmyk(60.3%, 17.9%, 0%, 10.2%)
CIE-LAB	lab(72.12, -16.63, -29.02)
CIE-LCH	lch(72.12, 33.45, 240.19°)
OKLab	oklab(75.28% -0.0718 -0.081)
OKLCH	oklch(75.28% 0.108 228.4)
XYZ	xyz(36.4350, 43.8441, 80.6562)
Luminance	0.4385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCE5 #E5845B

analogous

#5BE5C9 #5BBCE5 #5B77E5

triadic

#5BBCE5 #E55BBC #BCE55B

tetradic

#5BBCE5 #C95BE5 #E5845B #77E55B

square

#5BBCE5 #C95BE5 #E5845B #77E55B

split-complementary

#5BBCE5 #E55B77 #E5C95B

monochromatic

#1B80AB #26A6DD #5BBCE5 #90D2ED #C5E7F6

Accessibility & contrast

On white

2.15

#5BBCE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#5BBCE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCE5

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCE5	#FFFFFF	#000000	##000000
##5BBCE5	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B9E7

Deuteranopia (green-blind)

#93ABE4

Tritanopia (blue-blind)

#00C8C9

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #5bbce5;
/* rgb */ color: rgb(91, 188, 229);
/* oklch */ color: oklch(75.3% 0.108 228.4);

Tailwind

colors: {
  custom: {
    50: '#95d0ed',
    500: '#5bbce5',
    950: '#000000',
  },
}

SCSS

$custom: #5bbce5;
$custom-light: #95d0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbce5",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 229
  },
  "hsl": {
    "h": 197.826,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.75278,
    "c": 0.10825,
    "h": 228.4
  },
  "luminance": 0.43848
}

Semantic roles & 50–950 ramp

primary

#5BBCE5

secondary

#E7C4B5

accent

#4B11D5

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBCE5

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

Preview Lab → · Contrast checker → · Palette generator →