#5191F6#5191F6

#5191F6 is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.3% C 0.164 H 259.2°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#5191F6
RGB	rgb(81, 145, 246)
HSL	hsl(217, 90%, 64%)
HSV	hsv(217, 67%, 96%)
CMYK	cmyk(67.1%, 41.1%, 0%, 3.5%)
CIE-LAB	lab(60.47, 11.37, -56.62)
CIE-LCH	lch(60.47, 57.75, 281.35°)
OKLab	oklab(66.26% -0.0308 -0.1615)
OKLCH	oklch(66.26% 0.164 259.2)
XYZ	xyz(30.1473, 28.6509, 91.1123)
Luminance	0.2865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191F6 #F6B651

analogous

#51E4F6 #5191F6 #6451F6

triadic

#5191F6 #F65191 #91F651

tetradic

#5191F6 #F651E4 #F6B651 #51F664

square

#5191F6 #F651E4 #F6B651 #51F664

split-complementary

#5191F6 #F66451 #E4F651

monochromatic

#0A52C3 #176CF3 #5191F6 #8BB6F9 #C5DBFC

Accessibility & contrast

On white

3.12

#5191F6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#5191F6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191F6

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191F6	#FFFFFF	#000000	##000000
##5191F6	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#629AFA

Deuteranopia (green-blind)

#478BF4

Tritanopia (blue-blind)

#00A8B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5191f6;
/* rgb */ color: rgb(81, 145, 246);
/* oklch */ color: oklch(66.3% 0.164 259.2);

Tailwind

colors: {
  custom: {
    50: '#92b0fa',
    500: '#5191f6',
    950: '#000000',
  },
}

SCSS

$custom: #5191f6;
$custom-light: #92b0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#5191f6",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 246
  },
  "hsl": {
    "h": 216.727,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.6626,
    "c": 0.16446,
    "h": 259.2
  },
  "luminance": 0.28654
}

Semantic roles & 50–950 ramp

primary

#5191F6

secondary

#EED8B5

accent

#8C00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5191F6

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

Preview Lab → · Contrast checker → · Palette generator →