#5175CE#5175CE

#5175CE is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.9% C 0.143 H 265.6°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#5175CE
RGB	rgb(81, 117, 206)
HSL	hsl(223, 56%, 56%)
HSV	hsv(223, 61%, 81%)
CMYK	cmyk(60.7%, 43.2%, 0%, 19.2%)
CIE-LAB	lab(50.60, 14.68, -49.98)
CIE-LCH	lch(50.60, 52.09, 286.36°)
OKLab	oklab(57.92% -0.011 -0.1424)
OKLCH	oklch(57.92% 0.143 265.6)
XYZ	xyz(20.8914, 18.9263, 60.9328)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175CE #CEAA51

analogous

#51B4CE #5175CE #6C51CE

triadic

#5175CE #CE5175 #75CE51

tetradic

#5175CE #CE51B4 #CEAA51 #51CE6C

square

#5175CE #CE51B4 #CEAA51 #51CE6C

split-complementary

#5175CE #CE6C51 #B4CE51

monochromatic

#243F80 #3256B0 #5175CE #819BDB #B1C1E9

Accessibility & contrast

On white

4.39

#5175CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#5175CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175CE

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175CE	#FFFFFF	#000000	##000000
##5175CE	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7FD1

Deuteranopia (green-blind)

#3A73CC

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5175ce;
/* rgb */ color: rgb(81, 117, 206);
/* oklch */ color: oklch(57.9% 0.143 265.6);

Tailwind

colors: {
  custom: {
    50: '#8c9cdd',
    500: '#5175ce',
    950: '#000000',
  },
}

SCSS

$custom: #5175ce;
$custom-light: #8c9cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#5175ce",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 206
  },
  "hsl": {
    "h": 222.72,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.5792,
    "c": 0.14287,
    "h": 265.6
  },
  "luminance": 0.18928
}

Semantic roles & 50–950 ramp

primary

#5175CE

secondary

#D7C8A4

accent

#B448DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5175CE

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

Preview Lab → · Contrast checker → · Palette generator →