#5F9EFB#5F9EFB

#5F9EFB is a light, vivid blue. Relative luminance 0.339; OKLCH L 69.9% C 0.152 H 258.0°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#5F9EFB
RGB	rgb(95, 158, 251)
HSL	hsl(216, 95%, 68%)
HSV	hsv(216, 62%, 98%)
CMYK	cmyk(62.2%, 37.1%, 0%, 1.6%)
CIE-LAB	lab(64.84, 7.70, -52.38)
CIE-LCH	lch(64.84, 52.94, 278.37°)
OKLab	oklab(69.9% -0.0315 -0.1487)
OKLCH	oklch(69.9% 0.152 258)
XYZ	xyz(34.3526, 33.8484, 95.9711)
Luminance	0.3385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F9EFB #FBBC5F

analogous

#5FECFB #5F9EFB #6E5FFB

triadic

#5F9EFB #FB5F9E #9EFB5F

tetradic

#5F9EFB #FB5FEC #FBBC5F #5FFB6E

square

#5F9EFB #FB5FEC #FBBC5F #5FFB6E

split-complementary

#5F9EFB #FB6E5F #ECFB5F

monochromatic

#055BDA #237AFA #5F9EFB #9BC2FC #D6E6FE

Accessibility & contrast

On white

2.70

#5F9EFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#5F9EFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5F9EFB

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F9EFB	#FFFFFF	#000000	##000000
##5F9EFB	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A5FF

Deuteranopia (green-blind)

#6097F9

Tritanopia (blue-blind)

#00B3C0

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #5f9efb;
/* rgb */ color: rgb(95, 158, 251);
/* oklch */ color: oklch(69.9% 0.152 258.0);

Tailwind

colors: {
  custom: {
    50: '#99bafd',
    500: '#5f9efb',
    950: '#000000',
  },
}

SCSS

$custom: #5f9efb;
$custom-light: #99bafd;
$custom-dark: #000000;

JSON

{
  "hex": "#5f9efb",
  "rgb": {
    "r": 95,
    "g": 158,
    "b": 251
  },
  "hsl": {
    "h": 215.769,
    "s": 95.122,
    "l": 67.843
  },
  "oklch": {
    "l": 0.69895,
    "c": 0.15203,
    "h": 258
  },
  "luminance": 0.33852
}

Semantic roles & 50–950 ramp

primary

#5F9EFB

secondary

#F3E0C3

accent

#8900E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #5F9EFB

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

Preview Lab → · Contrast checker → · Palette generator →