#5F91F0#5F91F0

#5F91F0 is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.5% C 0.152 H 262.1°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#5F91F0
RGB	rgb(95, 145, 240)
HSL	hsl(219, 83%, 66%)
HSV	hsv(219, 60%, 94%)
CMYK	cmyk(60.4%, 39.6%, 0%, 5.9%)
CIE-LAB	lab(60.76, 11.72, -52.82)
CIE-LCH	lch(60.76, 54.11, 282.51°)
OKLab	oklab(66.54% -0.0208 -0.1502)
OKLCH	oklch(66.54% 0.152 262.1)
XYZ	xyz(30.5674, 28.9723, 86.4025)
Luminance	0.2898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F91F0 #F0BE5F

analogous

#5FDAF0 #5F91F0 #755FF0

triadic

#5F91F0 #F05F91 #91F05F

tetradic

#5F91F0 #F05FDA #F0BE5F #5FF075

square

#5F91F0 #F05FDA #F0BE5F #5FF075

split-complementary

#5F91F0 #F0755F #DAF05F

monochromatic

#124FC2 #276BEB #5F91F0 #97B7F5 #CFDEFA

Accessibility & contrast

On white

3.09

#5F91F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#5F91F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F91F0

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F91F0	#FFFFFF	#000000	##000000
##5F91F0	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#679AF4

Deuteranopia (green-blind)

#538CEE

Tritanopia (blue-blind)

#00A6B5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5f91f0;
/* rgb */ color: rgb(95, 145, 240);
/* oklch */ color: oklch(66.5% 0.152 262.1);

Tailwind

colors: {
  custom: {
    50: '#98b0f5',
    500: '#5f91f0',
    950: '#000000',
  },
}

SCSS

$custom: #5f91f0;
$custom-light: #98b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5f91f0",
  "rgb": {
    "r": 95,
    "g": 145,
    "b": 240
  },
  "hsl": {
    "h": 219.31,
    "s": 82.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.66542,
    "c": 0.15161,
    "h": 262.1
  },
  "luminance": 0.28975
}

Semantic roles & 50–950 ramp

primary

#5F91F0

secondary

#EEDDBD

accent

#9406DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5F91F0

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

Preview Lab → · Contrast checker → · Palette generator →