#5799FB#5799FB

#5799FB is a light, vivid blue. Relative luminance 0.318; OKLCH L 68.5% C 0.160 H 258.2°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#5799FB
RGB	rgb(87, 153, 251)
HSL	hsl(216, 95%, 66%)
HSV	hsv(216, 65%, 98%)
CMYK	cmyk(65.3%, 39%, 0%, 1.6%)
CIE-LAB	lab(63.15, 9.28, -55.08)
CIE-LCH	lch(63.15, 55.85, 279.56°)
OKLab	oklab(68.49% -0.0328 -0.1568)
OKLCH	oklch(68.49% 0.16 258.2)
XYZ	xyz(32.7280, 31.7705, 95.6556)
Luminance	0.3177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5799FB #FBB957

analogous

#57EBFB #5799FB #6757FB

triadic

#5799FB #FB5799 #99FB57

tetradic

#5799FB #FB57EB #FBB957 #57FB67

square

#5799FB #FB57EB #FBB957 #57FB67

split-complementary

#5799FB #FB6757 #EBFB57

monochromatic

#0558D3 #1B75FA #5799FB #93BDFC #CFE2FE

Accessibility & contrast

On white

2.86

#5799FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#5799FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5799FB

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5799FB	#FFFFFF	#000000	##000000
##5799FB	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6DA1FF

Deuteranopia (green-blind)

#5492F9

Tritanopia (blue-blind)

#00B0BE

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #5799fb;
/* rgb */ color: rgb(87, 153, 251);
/* oklch */ color: oklch(68.5% 0.160 258.2);

Tailwind

colors: {
  custom: {
    50: '#96b6fd',
    500: '#5799fb',
    950: '#000000',
  },
}

SCSS

$custom: #5799fb;
$custom-light: #96b6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#5799fb",
  "rgb": {
    "r": 87,
    "g": 153,
    "b": 251
  },
  "hsl": {
    "h": 215.854,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.68491,
    "c": 0.16023,
    "h": 258.2
  },
  "luminance": 0.31774
}

Semantic roles & 50–950 ramp

primary

#5799FB

secondary

#F2DCBC

accent

#8900E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1118

muted

#7E8086

Preview Lab

Preview with #5799FB

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

Preview Lab → · Contrast checker → · Palette generator →