#5B99EA#5B99EA

#5B99EA is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.7% C 0.137 H 255.8°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#5B99EA
RGB	rgb(91, 153, 234)
HSL	hsl(214, 77%, 64%)
HSV	hsv(214, 61%, 92%)
CMYK	cmyk(61.1%, 34.6%, 0%, 8.2%)
CIE-LAB	lab(62.46, 4.31, -46.82)
CIE-LCH	lch(62.46, 47.02, 275.26°)
OKLab	oklab(67.72% -0.0337 -0.1326)
OKLCH	oklch(67.72% 0.137 255.8)
XYZ	xyz(30.5516, 30.9443, 82.1888)
Luminance	0.3095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B99EA #EAAC5B

analogous

#5BE0EA #5B99EA #645BEA

triadic

#5B99EA #EA5B99 #99EA5B

tetradic

#5B99EA #EA5BE0 #EAAC5B #5BEA64

square

#5B99EA #EA5BE0 #EAAC5B #5BEA64

split-complementary

#5B99EA #EA645B #E0EA5B

monochromatic

#175BB4 #2577E3 #5B99EA #91BBF1 #C8DCF8

Accessibility & contrast

On white

2.92

#5B99EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#5B99EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B99EA

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B99EA	#FFFFFF	#000000	##000000
##5B99EA	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769EED

Deuteranopia (green-blind)

#6391E8

Tritanopia (blue-blind)

#00ABB7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5b99ea;
/* rgb */ color: rgb(91, 153, 234);
/* oklch */ color: oklch(67.7% 0.137 255.8);

Tailwind

colors: {
  custom: {
    50: '#95b6f1',
    500: '#5b99ea',
    950: '#000000',
  },
}

SCSS

$custom: #5b99ea;
$custom-light: #95b6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b99ea",
  "rgb": {
    "r": 91,
    "g": 153,
    "b": 234
  },
  "hsl": {
    "h": 213.986,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.67718,
    "c": 0.13683,
    "h": 255.8
  },
  "luminance": 0.30947
}

Semantic roles & 50–950 ramp

primary

#5B99EA

secondary

#EAD4B7

accent

#800CDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B99EA

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

Preview Lab → · Contrast checker → · Palette generator →