#5F91EF#5F91EF

#5F91EF is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.5% C 0.150 H 262.0°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#5F91EF
RGB	rgb(95, 145, 239)
HSL	hsl(219, 82%, 65%)
HSV	hsv(219, 60%, 94%)
CMYK	cmyk(60.3%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.70, 11.39, -52.35)
CIE-LCH	lch(60.70, 53.58, 282.27°)
OKLab	oklab(66.48% -0.021 -0.1488)
OKLCH	oklch(66.48% 0.15 262)
XYZ	xyz(30.4193, 28.9130, 85.6223)
Luminance	0.2892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F91EF #EFBD5F

analogous

#5FD9EF #5F91EF #755FEF

triadic

#5F91EF #EF5F91 #91EF5F

tetradic

#5F91EF #EF5FD9 #EFBD5F #5FEF75

square

#5F91EF #EF5FD9 #EFBD5F #5FEF75

split-complementary

#5F91EF #EF755F #D9EF5F

monochromatic

#134FC0 #276BE9 #5F91EF #97B7F5 #CEDDFA

Accessibility & contrast

On white

3.10

#5F91EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#5F91EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F91EF

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F91EF	#FFFFFF	#000000	##000000
##5F91EF	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#689AF3

Deuteranopia (green-blind)

#548CED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5f91ef;
/* rgb */ color: rgb(95, 145, 239);
/* oklch */ color: oklch(66.5% 0.150 262.0);

Tailwind

colors: {
  custom: {
    50: '#98b0f5',
    500: '#5f91ef',
    950: '#000000',
  },
}

SCSS

$custom: #5f91ef;
$custom-light: #98b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5f91ef",
  "rgb": {
    "r": 95,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 219.167,
    "s": 81.818,
    "l": 65.49
  },
  "oklch": {
    "l": 0.66484,
    "c": 0.15029,
    "h": 262
  },
  "luminance": 0.28916
}

Semantic roles & 50–950 ramp

primary

#5F91EF

secondary

#EDDCBD

accent

#9407DE

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5F91EF

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

Preview Lab → · Contrast checker → · Palette generator →