#5BB6DB#5BB6DB

#5BB6DB is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.5% C 0.102 H 227.2°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#5BB6DB
RGB	rgb(91, 182, 219)
HSL	hsl(197, 64%, 61%)
HSV	hsv(197, 58%, 86%)
CMYK	cmyk(58.4%, 16.9%, 0%, 14.1%)
CIE-LAB	lab(70.03, -16.50, -26.79)
CIE-LCH	lch(70.03, 31.47, 238.38°)
OKLab	oklab(73.48% -0.0691 -0.0746)
OKLCH	oklch(73.48% 0.102 227.2)
XYZ	xyz(33.8236, 40.7913, 73.0951)
Luminance	0.4079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB6DB #DB805B

analogous

#5BDBC0 #5BB6DB #5B76DB

triadic

#5BB6DB #DB5BB6 #B6DB5B

tetradic

#5BB6DB #C05BDB #DB805B #76DB5B

square

#5BB6DB #C05BDB #DB805B #76DB5B

split-complementary

#5BB6DB #DB5B76 #DBC05B

monochromatic

#22779A #2D9ECC #5BB6DB #8DCCE6 #BFE3F1

Accessibility & contrast

On white

2.29

#5BB6DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#5BB6DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB6DB

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB6DB	#FFFFFF	#000000	##000000
##5BB6DB	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B3DD

Deuteranopia (green-blind)

#90A5DB

Tritanopia (blue-blind)

#00C1C2

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb6db;
/* rgb */ color: rgb(91, 182, 219);
/* oklch */ color: oklch(73.5% 0.102 227.2);

Tailwind

colors: {
  custom: {
    50: '#94cce6',
    500: '#5bb6db',
    950: '#000000',
  },
}

SCSS

$custom: #5bb6db;
$custom-light: #94cce6;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb6db",
  "rgb": {
    "r": 91,
    "g": 182,
    "b": 219
  },
  "hsl": {
    "h": 197.344,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.73484,
    "c": 0.1017,
    "h": 227.2
  },
  "luminance": 0.40795
}

Semantic roles & 50–950 ramp

primary

#5BB6DB

secondary

#E1BFB1

accent

#4D1ACC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB6DB

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

Preview Lab → · Contrast checker → · Palette generator →