#5175D2#5175D2

#5175D2 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.2% C 0.148 H 266.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#5175D2
RGB	rgb(81, 117, 210)
HSL	hsl(223, 59%, 57%)
HSV	hsv(223, 61%, 82%)
CMYK	cmyk(61.4%, 44.3%, 0%, 17.6%)
CIE-LAB	lab(50.83, 16.04, -51.89)
CIE-LCH	lch(50.83, 54.31, 287.17°)
OKLab	oklab(58.17% -0.0103 -0.148)
OKLCH	oklch(58.17% 0.148 266)
XYZ	xyz(21.3835, 19.1232, 63.5245)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175D2 #D2AE51

analogous

#51B5D2 #5175D2 #6E51D2

triadic

#5175D2 #D25175 #75D251

tetradic

#5175D2 #D251B5 #D2AE51 #51D26E

square

#5175D2 #D251B5 #D2AE51 #51D26E

split-complementary

#5175D2 #D26E51 #B5D251

monochromatic

#233E86 #2F55B7 #5175D2 #829CDF #B2C2EB

Accessibility & contrast

On white

4.35

#5175D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#5175D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175D2

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175D2	#FFFFFF	#000000	##000000
##5175D2	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7FD6

Deuteranopia (green-blind)

#3674D0

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5175d2;
/* rgb */ color: rgb(81, 117, 210);
/* oklch */ color: oklch(58.2% 0.148 266.0);

Tailwind

colors: {
  custom: {
    50: '#8d9ce0',
    500: '#5175d2',
    950: '#000000',
  },
}

SCSS

$custom: #5175d2;
$custom-light: #8d9ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#5175d2",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 210
  },
  "hsl": {
    "h": 223.256,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.58171,
    "c": 0.14841,
    "h": 266
  },
  "luminance": 0.19125
}

Semantic roles & 50–950 ramp

primary

#5175D2

secondary

#DACBA5

accent

#B646E2

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5175D2

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

Preview Lab → · Contrast checker → · Palette generator →