#5999EF#5999EF

#5999EF is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.9% C 0.144 H 256.3°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#5999EF
RGB	rgb(89, 153, 239)
HSL	hsl(214, 82%, 64%)
HSV	hsv(214, 63%, 94%)
CMYK	cmyk(62.8%, 36%, 0%, 6.3%)
CIE-LAB	lab(62.62, 5.60, -49.33)
CIE-LCH	lch(62.62, 49.65, 276.48°)
OKLab	oklab(67.9% -0.034 -0.14)
OKLCH	oklch(67.9% 0.144 256.3)
XYZ	xyz(31.0855, 31.1354, 86.0161)
Luminance	0.3114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5999EF #EFAF59

analogous

#59E4EF #5999EF #6459EF

triadic

#5999EF #EF5999 #99EF59

tetradic

#5999EF #EF59E4 #EFAF59 #59EF64

square

#5999EF #EF59E4 #EFAF59 #59EF64

split-complementary

#5999EF #EF6459 #E4EF59

monochromatic

#125ABC #2177EA #5999EF #91BBF4 #C9DEFA

Accessibility & contrast

On white

2.91

#5999EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#5999EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5999EF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5999EF	#FFFFFF	#000000	##000000
##5999EF	1.00	2.91	7.23	7.23
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#749FF3

Deuteranopia (green-blind)

#5F91ED

Tritanopia (blue-blind)

#00ADB9

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5999ef;
/* rgb */ color: rgb(89, 153, 239);
/* oklch */ color: oklch(67.9% 0.144 256.3);

Tailwind

colors: {
  custom: {
    50: '#95b6f4',
    500: '#5999ef',
    950: '#000000',
  },
}

SCSS

$custom: #5999ef;
$custom-light: #95b6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5999ef",
  "rgb": {
    "r": 89,
    "g": 153,
    "b": 239
  },
  "hsl": {
    "h": 214.4,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.67901,
    "c": 0.14404,
    "h": 256.3
  },
  "luminance": 0.31138
}

Semantic roles & 50–950 ramp

primary

#5999EF

secondary

#ECD6B8

accent

#8307DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5999EF

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

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