#5999FE#5999FE

#5999FE is a light, vivid blue. Relative luminance 0.321; OKLCH L 68.8% C 0.163 H 259.2°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#5999FE
RGB	rgb(89, 153, 254)
HSL	hsl(217, 99%, 67%)
HSV	hsv(217, 65%, 100%)
CMYK	cmyk(65%, 39.8%, 0%, 0.4%)
CIE-LAB	lab(63.39, 10.61, -56.33)
CIE-LCH	lch(63.39, 57.32, 280.67°)
OKLab	oklab(68.75% -0.0307 -0.1605)
OKLCH	oklch(68.75% 0.163 259.2)
XYZ	xyz(33.3941, 32.0588, 98.1748)
Luminance	0.3206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5999FE #FEBE59

analogous

#59ECFE #5999FE #6B59FE

triadic

#5999FE #FE5999 #99FE59

tetradic

#5999FE #FE59EC #FEBE59 #59FE6B

square

#5999FE #FE59EC #FEBE59 #59FE6B

split-complementary

#5999FE #FE6B59 #ECFE59

monochromatic

#0156DB #1C74FE #5999FE #96BEFE #D3E4FF

Accessibility & contrast

On white

2.83

#5999FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#5999FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5999FE

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5999FE	#FFFFFF	#000000	##000000
##5999FE	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6BA2FF

Deuteranopia (green-blind)

#5292FC

Tritanopia (blue-blind)

#00B0BF

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #5999fe;
/* rgb */ color: rgb(89, 153, 254);
/* oklch */ color: oklch(68.8% 0.163 259.2);

Tailwind

colors: {
  custom: {
    50: '#97b6ff',
    500: '#5999fe',
    950: '#000000',
  },
}

SCSS

$custom: #5999fe;
$custom-light: #97b6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5999fe",
  "rgb": {
    "r": 89,
    "g": 153,
    "b": 254
  },
  "hsl": {
    "h": 216.727,
    "s": 98.802,
    "l": 67.255
  },
  "oklch": {
    "l": 0.6875,
    "c": 0.16338,
    "h": 259.2
  },
  "luminance": 0.32062
}

Semantic roles & 50–950 ramp

primary

#5999FE

secondary

#F3DFBF

accent

#8C00E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #5999FE

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

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