#5175E5#5175E5

#5175E5 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.4% C 0.174 H 267.5°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5175E5
RGB	rgb(81, 117, 229)
HSL	hsl(225, 74%, 61%)
HSV	hsv(225, 65%, 90%)
CMYK	cmyk(64.6%, 48.9%, 0%, 10.2%)
CIE-LAB	lab(51.98, 22.54, -60.78)
CIE-LCH	lch(51.98, 64.82, 290.35°)
OKLab	oklab(59.42% -0.0076 -0.1742)
OKLCH	oklch(59.42% 0.174 267.5)
XYZ	xyz(23.8926, 20.1268, 76.7393)
Luminance	0.2013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175E5 #E5C151

analogous

#51BFE5 #5175E5 #7751E5

triadic

#5175E5 #E55175 #75E551

tetradic

#5175E5 #E551BF #E5C151 #51E577

square

#5175E5 #E551BF #E5C151 #51E577

split-complementary

#5175E5 #E57751 #BFE551

monochromatic

#183AA3 #204DD8 #5175E5 #869FED #BBC9F5

Accessibility & contrast

On white

4.18

#5175E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#5175E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175E5

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175E5	#FFFFFF	#000000	##000000
##5175E5	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3883E9

Deuteranopia (green-blind)

#0F76E3

Tritanopia (blue-blind)

#008FA2

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5175e5;
/* rgb */ color: rgb(81, 117, 229);
/* oklch */ color: oklch(59.4% 0.174 267.5);

Tailwind

colors: {
  custom: {
    50: '#909cee',
    500: '#5175e5',
    950: '#000000',
  },
}

SCSS

$custom: #5175e5;
$custom-light: #909cee;
$custom-dark: #000000;

JSON

{
  "hex": "#5175e5",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 229
  },
  "hsl": {
    "h": 225.405,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.59419,
    "c": 0.17434,
    "h": 267.5
  },
  "luminance": 0.20129
}

Semantic roles & 50–950 ramp

primary

#5175E5

secondary

#E5D7AD

accent

#A60FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5175E5

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

Preview Lab → · Contrast checker → · Palette generator →