#5F91E8#5F91E8

#5F91E8 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.1% C 0.141 H 260.8°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#5F91E8
RGB	rgb(95, 145, 232)
HSL	hsl(218, 75%, 64%)
HSV	hsv(218, 59%, 91%)
CMYK	cmyk(59.1%, 37.5%, 0%, 9%)
CIE-LAB	lab(60.34, 9.10, -49.05)
CIE-LCH	lch(60.34, 49.89, 280.51°)
OKLab	oklab(66.09% -0.0225 -0.1391)
OKLCH	oklch(66.09% 0.141 260.8)
XYZ	xyz(29.4051, 28.5074, 80.2812)
Luminance	0.2851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F91E8 #E8B65F

analogous

#5FD6E8 #5F91E8 #725FE8

triadic

#5F91E8 #E85F91 #91E85F

tetradic

#5F91E8 #E85FD6 #E8B65F #5FE872

square

#5F91E8 #E85FD6 #E8B65F #5FE872

split-complementary

#5F91E8 #E8725F #D6E85F

monochromatic

#1A52B3 #296CE0 #5F91E8 #95B6F0 #CADBF7

Accessibility & contrast

On white

3.13

#5F91E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#5F91E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F91E8

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F91E8	#FFFFFF	#000000	##000000
##5F91E8	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C98EC

Deuteranopia (green-blind)

#5A8CE6

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5f91e8;
/* rgb */ color: rgb(95, 145, 232);
/* oklch */ color: oklch(66.1% 0.141 260.8);

Tailwind

colors: {
  custom: {
    50: '#97b0f0',
    500: '#5f91e8',
    950: '#000000',
  },
}

SCSS

$custom: #5f91e8;
$custom-light: #97b0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5f91e8",
  "rgb": {
    "r": 95,
    "g": 145,
    "b": 232
  },
  "hsl": {
    "h": 218.102,
    "s": 74.863,
    "l": 64.118
  },
  "oklch": {
    "l": 0.66088,
    "c": 0.14096,
    "h": 260.8
  },
  "luminance": 0.2851
}

Semantic roles & 50–950 ramp

primary

#5F91E8

secondary

#E9D8BA

accent

#8E0ED7

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5F91E8

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

Preview Lab → · Contrast checker → · Palette generator →