#5175E0#5175E0

#5175E0 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.1% C 0.168 H 267.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5175E0
RGB	rgb(81, 117, 224)
HSL	hsl(225, 70%, 60%)
HSV	hsv(225, 64%, 88%)
CMYK	cmyk(63.8%, 47.8%, 0%, 12.2%)
CIE-LAB	lab(51.67, 20.82, -58.47)
CIE-LCH	lch(51.67, 62.06, 289.60°)
OKLab	oklab(59.08% -0.0082 -0.1674)
OKLCH	oklch(59.08% 0.168 267.2)
XYZ	xyz(23.2046, 19.8516, 73.1154)
Luminance	0.1985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175E0 #E0BC51

analogous

#51BDE0 #5175E0 #7551E0

triadic

#5175E0 #E05175 #75E051

tetradic

#5175E0 #E051BD #E0BC51 #51E075

square

#5175E0 #E051BD #E0BC51 #51E075

split-complementary

#5175E0 #E07551 #BDE051

monochromatic

#1C3C9B #2550CF #5175E0 #859EE9 #B9C7F3

Accessibility & contrast

On white

4.22

#5175E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5175E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175E0

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175E0	#FFFFFF	#000000	##000000
##5175E0	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D82E4

Deuteranopia (green-blind)

#1F75DE

Tritanopia (blue-blind)

#008EA0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5175e0;
/* rgb */ color: rgb(81, 117, 224);
/* oklch */ color: oklch(59.1% 0.168 267.2);

Tailwind

colors: {
  custom: {
    50: '#8f9cea',
    500: '#5175e0',
    950: '#000000',
  },
}

SCSS

$custom: #5175e0;
$custom-light: #8f9cea;
$custom-dark: #000000;

JSON

{
  "hex": "#5175e0",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 224
  },
  "hsl": {
    "h": 224.895,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.59082,
    "c": 0.16758,
    "h": 267.2
  },
  "luminance": 0.19854
}

Semantic roles & 50–950 ramp

primary

#5175E0

secondary

#E2D4AB

accent

#C03BED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5175E0

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

Preview Lab → · Contrast checker → · Palette generator →