#5175BF#5175BF

#5175BF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.122 H 263.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#5175BF
RGB	rgb(81, 117, 191)
HSL	hsl(220, 46%, 53%)
HSV	hsv(220, 58%, 75%)
CMYK	cmyk(57.6%, 38.7%, 0%, 25.1%)
CIE-LAB	lab(49.78, 9.63, -42.71)
CIE-LCH	lch(49.78, 43.78, 282.71°)
OKLab	oklab(57.02% -0.014 -0.1211)
OKLCH	oklch(57.02% 0.122 263.4)
XYZ	xyz(19.1554, 18.2319, 51.7898)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175BF #BF9B51

analogous

#51ACBF #5175BF #6451BF

triadic

#5175BF #BF5175 #75BF51

tetradic

#5175BF #BF51AC #BF9B51 #51BF64

square

#5175BF #BF51AC #BF9B51 #51BF64

split-complementary

#5175BF #BF6451 #ACBF51

monochromatic

#283F6D #39599A #5175BF #7E98CF #AABCE0

Accessibility & contrast

On white

4.52

#5175BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#5175BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175BF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175BF	#FFFFFF	#000000	##000000
##5175BF	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#567CC2

Deuteranopia (green-blind)

#4872BD

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5175bf;
/* rgb */ color: rgb(81, 117, 191);
/* oklch */ color: oklch(57.0% 0.122 263.4);

Tailwind

colors: {
  custom: {
    50: '#8a9cd3',
    500: '#5175bf',
    950: '#000000',
  },
}

SCSS

$custom: #5175bf;
$custom-light: #8a9cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#5175bf",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 191
  },
  "hsl": {
    "h": 220.364,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57016,
    "c": 0.12194,
    "h": 263.4
  },
  "luminance": 0.18233
}

Semantic roles & 50–950 ramp

primary

#5175BF

secondary

#CEBE9E

accent

#AB52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5175BF

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

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