#5D99EB#5D99EB

#5D99EB is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.9% C 0.137 H 256.6°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#5D99EB
RGB	rgb(93, 153, 235)
HSL	hsl(215, 78%, 64%)
HSV	hsv(215, 60%, 92%)
CMYK	cmyk(60.4%, 34.9%, 0%, 7.8%)
CIE-LAB	lab(62.60, 5.01, -47.16)
CIE-LCH	lch(62.60, 47.42, 276.06°)
OKLab	oklab(67.86% -0.0318 -0.1336)
OKLCH	oklch(67.86% 0.137 256.6)
XYZ	xyz(30.8955, 31.1050, 82.9569)
Luminance	0.3111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D99EB #EBAF5D

analogous

#5DE0EB #5D99EB #685DEB

triadic

#5D99EB #EB5D99 #99EB5D

tetradic

#5D99EB #EB5DE0 #EBAF5D #5DEB68

square

#5D99EB #EB5DE0 #EBAF5D #5DEB68

split-complementary

#5D99EB #EB685D #E0EB5D

monochromatic

#175AB7 #2777E4 #5D99EB #93BBF2 #CADEF8

Accessibility & contrast

On white

2.91

#5D99EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#5D99EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5D99EB

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D99EB	#FFFFFF	#000000	##000000
##5D99EB	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769FEE

Deuteranopia (green-blind)

#6391E9

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5d99eb;
/* rgb */ color: rgb(93, 153, 235);
/* oklch */ color: oklch(67.9% 0.137 256.6);

Tailwind

colors: {
  custom: {
    50: '#96b6f2',
    500: '#5d99eb',
    950: '#000000',
  },
}

SCSS

$custom: #5d99eb;
$custom-light: #96b6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5d99eb",
  "rgb": {
    "r": 93,
    "g": 153,
    "b": 235
  },
  "hsl": {
    "h": 214.648,
    "s": 78.022,
    "l": 64.314
  },
  "oklch": {
    "l": 0.67863,
    "c": 0.1373,
    "h": 256.6
  },
  "luminance": 0.31108
}

Semantic roles & 50–950 ramp

primary

#5D99EB

secondary

#EBD6B9

accent

#830BDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5D99EB

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

Preview Lab → · Contrast checker → · Palette generator →