#5175CA#5175CA

#5175CA is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.7% C 0.137 H 265.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5175CA
RGB	rgb(81, 117, 202)
HSL	hsl(222, 53%, 55%)
HSV	hsv(222, 60%, 79%)
CMYK	cmyk(59.9%, 42.1%, 0%, 20.8%)
CIE-LAB	lab(50.38, 13.32, -48.06)
CIE-LCH	lch(50.38, 49.88, 285.49°)
OKLab	oklab(57.67% -0.0117 -0.1368)
OKLCH	oklch(57.67% 0.137 265.1)
XYZ	xyz(20.4116, 18.7345, 58.4061)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175CA #CAA651

analogous

#51B1CA #5175CA #6951CA

triadic

#5175CA #CA5175 #75CA51

tetradic

#5175CA #CA51B1 #CAA651 #51CA69

square

#5175CA #CA51B1 #CAA651 #51CA69

split-complementary

#5175CA #CA6951 #B1CA51

monochromatic

#253F7B #3457AA #5175CA #809AD8 #AFBFE7

Accessibility & contrast

On white

4.42

#5175CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5175CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175CA

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175CA	#FFFFFF	#000000	##000000
##5175CA	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7ECD

Deuteranopia (green-blind)

#3E73C8

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5175ca;
/* rgb */ color: rgb(81, 117, 202);
/* oklch */ color: oklch(57.7% 0.137 265.1);

Tailwind

colors: {
  custom: {
    50: '#8c9cda',
    500: '#5175ca',
    950: '#000000',
  },
}

SCSS

$custom: #5175ca;
$custom-light: #8c9cda;
$custom-dark: #000000;

JSON

{
  "hex": "#5175ca",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 202
  },
  "hsl": {
    "h": 222.149,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57673,
    "c": 0.13731,
    "h": 265.1
  },
  "luminance": 0.18736
}

Semantic roles & 50–950 ramp

primary

#5175CA

secondary

#D5C6A2

accent

#B14BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5175CA

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

Preview Lab → · Contrast checker → · Palette generator →