#5175D9#5175D9

#5175D9 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.6% C 0.158 H 266.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5175D9
RGB	rgb(81, 117, 217)
HSL	hsl(224, 64%, 58%)
HSV	hsv(224, 63%, 85%)
CMYK	cmyk(62.7%, 46.1%, 0%, 14.9%)
CIE-LAB	lab(51.24, 18.42, -55.20)
CIE-LCH	lch(51.24, 58.19, 288.46°)
OKLab	oklab(58.62% -0.0092 -0.1578)
OKLCH	oklch(58.62% 0.158 266.7)
XYZ	xyz(22.2747, 19.4797, 68.2183)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175D9 #D9B551

analogous

#51B9D9 #5175D9 #7151D9

triadic

#5175D9 #D95175 #75D951

tetradic

#5175D9 #D951B9 #D9B551 #51D971

square

#5175D9 #D951B9 #D9B551 #51D971

split-complementary

#5175D9 #D97151 #B9D951

monochromatic

#1F3D90 #2A53C2 #5175D9 #839DE4 #B5C5EF

Accessibility & contrast

On white

4.29

#5175D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#5175D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175D9

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175D9	#FFFFFF	#000000	##000000
##5175D9	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4481DD

Deuteranopia (green-blind)

#2C74D7

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5175d9;
/* rgb */ color: rgb(81, 117, 217);
/* oklch */ color: oklch(58.6% 0.158 266.7);

Tailwind

colors: {
  custom: {
    50: '#8e9ce5',
    500: '#5175d9',
    950: '#000000',
  },
}

SCSS

$custom: #5175d9;
$custom-light: #8e9ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#5175d9",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 217
  },
  "hsl": {
    "h": 224.118,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5862,
    "c": 0.15804,
    "h": 266.7
  },
  "luminance": 0.19482
}

Semantic roles & 50–950 ramp

primary

#5175D9

secondary

#DED0A8

accent

#BB41E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5175D9

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

Preview Lab → · Contrast checker → · Palette generator →