#5BB6DD#5BB6DD

#5BB6DD is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.6% C 0.103 H 228.6°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#5BB6DD
RGB	rgb(91, 182, 221)
HSL	hsl(198, 66%, 61%)
HSV	hsv(198, 59%, 87%)
CMYK	cmyk(58.8%, 17.6%, 0%, 13.3%)
CIE-LAB	lab(70.10, -15.89, -27.77)
CIE-LCH	lch(70.10, 32.00, 240.22°)
OKLab	oklab(73.57% -0.0683 -0.0774)
OKLCH	oklch(73.57% 0.103 228.6)
XYZ	xyz(34.0884, 40.8972, 74.4901)
Luminance	0.4090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB6DD #DD825B

analogous

#5BDDC3 #5BB6DD #5B75DD

triadic

#5BB6DD #DD5BB6 #B6DD5B

tetradic

#5BB6DD #C35BDD #DD825B #75DD5B

square

#5BB6DD #C35BDD #DD825B #75DD5B

split-complementary

#5BB6DD #DD5B75 #DDC35B

monochromatic

#21789D #2B9ED0 #5BB6DD #8ECDE8 #C0E3F2

Accessibility & contrast

On white

2.29

#5BB6DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#5BB6DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB6DD

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB6DD	#FFFFFF	#000000	##000000
##5BB6DD	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B3DF

Deuteranopia (green-blind)

#8FA5DD

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb6dd;
/* rgb */ color: rgb(91, 182, 221);
/* oklch */ color: oklch(73.6% 0.103 228.6);

Tailwind

colors: {
  custom: {
    50: '#94cce7',
    500: '#5bb6dd',
    950: '#000000',
  },
}

SCSS

$custom: #5bb6dd;
$custom-light: #94cce7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb6dd",
  "rgb": {
    "r": 91,
    "g": 182,
    "b": 221
  },
  "hsl": {
    "h": 198,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.73568,
    "c": 0.10328,
    "h": 228.6
  },
  "luminance": 0.40901
}

Semantic roles & 50–950 ramp

primary

#5BB6DD

secondary

#E2C0B1

accent

#4E18CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB6DD

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

Preview Lab → · Contrast checker → · Palette generator →