#5BB4ED#5BB4ED

#5BB4ED is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.8% C 0.119 H 239.3°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4ED
RGB	rgb(91, 180, 237)
HSL	hsl(203, 80%, 64%)
HSV	hsv(203, 62%, 93%)
CMYK	cmyk(61.6%, 24.1%, 0%, 7.1%)
CIE-LAB	lab(70.16, -9.90, -36.41)
CIE-LCH	lch(70.16, 37.73, 254.79°)
OKLab	oklab(73.82% -0.0607 -0.1022)
OKLCH	oklch(73.82% 0.119 239.3)
XYZ	xyz(35.9159, 40.9776, 86.1210)
Luminance	0.4098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4ED #ED945B

analogous

#5BEDDD #5BB4ED #5B6BED

triadic

#5BB4ED #ED5BB4 #B4ED5B

tetradic

#5BB4ED #DD5BED #ED945B #6BED5B

square

#5BB4ED #DD5BED #ED945B #6BED5B

split-complementary

#5BB4ED #ED5B6B #EDDD5B

monochromatic

#1479B9 #249BE7 #5BB4ED #92CDF3 #C9E6F9

Accessibility & contrast

On white

2.28

#5BB4ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#5BB4ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4ED

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4ED	#FFFFFF	#000000	##000000
##5BB4ED	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB4F0

Deuteranopia (green-blind)

#86A5EC

Tritanopia (blue-blind)

#00C2C7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb4ed;
/* rgb */ color: rgb(91, 180, 237);
/* oklch */ color: oklch(73.8% 0.119 239.3);

Tailwind

colors: {
  custom: {
    50: '#96caf3',
    500: '#5bb4ed',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4ed;
$custom-light: #96caf3;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4ed",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 237
  },
  "hsl": {
    "h": 203.425,
    "s": 80.22,
    "l": 64.314
  },
  "oklch": {
    "l": 0.7382,
    "c": 0.11888,
    "h": 239.3
  },
  "luminance": 0.40981
}

Semantic roles & 50–950 ramp

primary

#5BB4ED

secondary

#EBCCB9

accent

#5C09DD

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #5BB4ED

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

Preview Lab → · Contrast checker → · Palette generator →