#5BB4DD#5BB4DD

#5BB4DD is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.1% C 0.104 H 230.4°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4DD
RGB	rgb(91, 180, 221)
HSL	hsl(199, 66%, 61%)
HSV	hsv(199, 59%, 87%)
CMYK	cmyk(58.8%, 18.6%, 0%, 13.3%)
CIE-LAB	lab(69.53, -14.84, -28.66)
CIE-LCH	lch(69.53, 32.27, 242.63°)
OKLab	oklab(73.11% -0.0662 -0.08)
OKLCH	oklch(73.11% 0.104 230.4)
XYZ	xyz(33.6818, 40.0839, 74.3545)
Luminance	0.4009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4DD #DD845B

analogous

#5BDDC5 #5BB4DD #5B73DD

triadic

#5BB4DD #DD5BB4 #B4DD5B

tetradic

#5BB4DD #C55BDD #DD845B #73DD5B

square

#5BB4DD #C55BDD #DD845B #73DD5B

split-complementary

#5BB4DD #DD5B73 #DDC55B

monochromatic

#21769D #2B9CD0 #5BB4DD #8ECBE8 #C0E2F2

Accessibility & contrast

On white

2.33

#5BB4DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#5BB4DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4DD

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4DD	#FFFFFF	#000000	##000000
##5BB4DD	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2DF

Deuteranopia (green-blind)

#8DA4DC

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #5bb4dd;
/* rgb */ color: rgb(91, 180, 221);
/* oklch */ color: oklch(73.1% 0.104 230.4);

Tailwind

colors: {
  custom: {
    50: '#94cae7',
    500: '#5bb4dd',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4dd;
$custom-light: #94cae7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4dd",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 221
  },
  "hsl": {
    "h": 198.923,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.7311,
    "c": 0.10381,
    "h": 230.4
  },
  "luminance": 0.40087
}

Semantic roles & 50–950 ramp

primary

#5BB4DD

secondary

#E2C1B1

accent

#5118CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB4DD

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

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