#5E99FB#5E99FB

#5E99FB is a light, vivid blue. Relative luminance 0.321; OKLCH L 68.8% C 0.158 H 260.0°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#5E99FB
RGB	rgb(94, 153, 251)
HSL	hsl(217, 95%, 68%)
HSV	hsv(217, 63%, 98%)
CMYK	cmyk(62.5%, 39%, 0%, 1.6%)
CIE-LAB	lab(63.45, 10.45, -54.60)
CIE-LCH	lch(63.45, 55.59, 280.83°)
OKLab	oklab(68.8% -0.0274 -0.1553)
OKLCH	oklch(68.8% 0.158 260)
XYZ	xyz(33.4138, 32.1241, 95.6878)
Luminance	0.3213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5E99FB #FBC05E

analogous

#5EE8FB #5E99FB #715EFB

triadic

#5E99FB #FB5E99 #99FB5E

tetradic

#5E99FB #FB5EE8 #FBC05E #5EFB71

square

#5E99FB #FB5EE8 #FBC05E #5EFB71

split-complementary

#5E99FB #FB715E #E8FB5E

monochromatic

#0555D9 #2273FA #5E99FB #9ABFFC #D5E5FE

Accessibility & contrast

On white

2.83

#5E99FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#5E99FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5E99FB

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5E99FB	#FFFFFF	#000000	##000000
##5E99FB	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6EA2FF

Deuteranopia (green-blind)

#5793F9

Tritanopia (blue-blind)

#00AFBE

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #5e99fb;
/* rgb */ color: rgb(94, 153, 251);
/* oklch */ color: oklch(68.8% 0.158 260.0);

Tailwind

colors: {
  custom: {
    50: '#99b6fd',
    500: '#5e99fb',
    950: '#000000',
  },
}

SCSS

$custom: #5e99fb;
$custom-light: #99b6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#5e99fb",
  "rgb": {
    "r": 94,
    "g": 153,
    "b": 251
  },
  "hsl": {
    "h": 217.452,
    "s": 95.152,
    "l": 67.647
  },
  "oklch": {
    "l": 0.68798,
    "c": 0.15769,
    "h": 260
  },
  "luminance": 0.32127
}

Semantic roles & 50–950 ramp

primary

#5E99FB

secondary

#F3E0C2

accent

#8F00E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #5E99FB

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

Preview Lab → · Contrast checker → · Palette generator →