#5999F4#5999F4

#5999F4 is a light, vivid blue. Relative luminance 0.314; OKLCH L 68.2% C 0.150 H 257.4°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#5999F4
RGB	rgb(89, 153, 244)
HSL	hsl(215, 88%, 65%)
HSV	hsv(215, 64%, 96%)
CMYK	cmyk(63.5%, 37.3%, 0%, 4.3%)
CIE-LAB	lab(62.87, 7.26, -51.68)
CIE-LCH	lch(62.87, 52.19, 278.00°)
OKLab	oklab(68.18% -0.0328 -0.1468)
OKLCH	oklch(68.18% 0.15 257.4)
XYZ	xyz(31.8343, 31.4349, 89.9603)
Luminance	0.3144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5999F4 #F4B459

analogous

#59E6F4 #5999F4 #6659F4

triadic

#5999F4 #F45999 #99F459

tetradic

#5999F4 #F459E6 #F4B459 #59F466

square

#5999F4 #F459E6 #F4B459 #59F466

split-complementary

#5999F4 #F46659 #E6F459

monochromatic

#0D59C6 #2076F0 #5999F4 #92BCF8 #CCE0FC

Accessibility & contrast

On white

2.88

#5999F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#5999F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5999F4

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5999F4	#FFFFFF	#000000	##000000
##5999F4	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#71A0F8

Deuteranopia (green-blind)

#5B91F2

Tritanopia (blue-blind)

#00AEBB

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5999f4;
/* rgb */ color: rgb(89, 153, 244);
/* oklch */ color: oklch(68.2% 0.150 257.4);

Tailwind

colors: {
  custom: {
    50: '#95b6f8',
    500: '#5999f4',
    950: '#000000',
  },
}

SCSS

$custom: #5999f4;
$custom-light: #95b6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5999f4",
  "rgb": {
    "r": 89,
    "g": 153,
    "b": 244
  },
  "hsl": {
    "h": 215.226,
    "s": 87.571,
    "l": 65.294
  },
  "oklch": {
    "l": 0.68178,
    "c": 0.15048,
    "h": 257.4
  },
  "luminance": 0.31438
}

Semantic roles & 50–950 ramp

primary

#5999F4

secondary

#EFD9BA

accent

#8701E4

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5999F4

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

Preview Lab → · Contrast checker → · Palette generator →