#5BB4E8#5BB4E8

#5BB4E8 is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.6% C 0.114 H 236.8°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4E8
RGB	rgb(91, 180, 232)
HSL	hsl(202, 75%, 63%)
HSV	hsv(202, 61%, 91%)
CMYK	cmyk(60.8%, 22.4%, 0%, 9%)
CIE-LAB	lab(69.96, -11.46, -34.00)
CIE-LCH	lch(69.96, 35.88, 251.38°)
OKLab	oklab(73.59% -0.0624 -0.0953)
OKLCH	oklch(73.59% 0.114 236.8)
XYZ	xyz(35.1956, 40.6894, 82.3273)
Luminance	0.4069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4E8 #E88F5B

analogous

#5BE8D6 #5BB4E8 #5B6DE8

triadic

#5BB4E8 #E85BB4 #B4E85B

tetradic

#5BB4E8 #D65BE8 #E88F5B #6DE85B

square

#5BB4E8 #D65BE8 #E88F5B #6DE85B

split-complementary

#5BB4E8 #E85B6D #E8D65B

monochromatic

#1978B0 #259BE0 #5BB4E8 #91CDF0 #C6E5F7

Accessibility & contrast

On white

2.30

#5BB4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#5BB4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4E8

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4E8	#FFFFFF	#000000	##000000
##5BB4E8	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB3EA

Deuteranopia (green-blind)

#88A5E7

Tritanopia (blue-blind)

#00C1C5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb4e8;
/* rgb */ color: rgb(91, 180, 232);
/* oklch */ color: oklch(73.6% 0.114 236.8);

Tailwind

colors: {
  custom: {
    50: '#95caef',
    500: '#5bb4e8',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4e8;
$custom-light: #95caef;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4e8",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 232
  },
  "hsl": {
    "h": 202.128,
    "s": 75.401,
    "l": 63.333
  },
  "oklch": {
    "l": 0.73593,
    "c": 0.11387,
    "h": 236.8
  },
  "luminance": 0.40693
}

Semantic roles & 50–950 ramp

primary

#5BB4E8

secondary

#E9C9B6

accent

#580ED8

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB4E8

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

Preview Lab → · Contrast checker → · Palette generator →