#5173DF#5173DF

#5173DF is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.6% C 0.169 H 267.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5173DF
RGB	rgb(81, 115, 223)
HSL	hsl(226, 69%, 60%)
HSV	hsv(226, 64%, 87%)
CMYK	cmyk(63.7%, 48.4%, 0%, 12.5%)
CIE-LAB	lab(51.08, 21.72, -58.85)
CIE-LCH	lch(51.08, 62.73, 290.25°)
OKLab	oklab(58.61% -0.0065 -0.1685)
OKLCH	oklch(58.61% 0.169 267.8)
XYZ	xyz(22.8388, 19.3364, 72.3265)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5173DF #DFBD51

analogous

#51BADF #5173DF #7651DF

triadic

#5173DF #DF5173 #73DF51

tetradic

#5173DF #DF51BA #DFBD51 #51DF76

square

#5173DF #DF51BA #DFBD51 #51DF76

split-complementary

#5173DF #DF7651 #BADF51

monochromatic

#1C3A99 #264ECD #5173DF #859DE9 #B8C6F2

Accessibility & contrast

On white

4.31

#5173DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#5173DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5173DF

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5173DF	#FFFFFF	#000000	##000000
##5173DF	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A80E3

Deuteranopia (green-blind)

#1974DD

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5173df;
/* rgb */ color: rgb(81, 115, 223);
/* oklch */ color: oklch(58.6% 0.169 267.8);

Tailwind

colors: {
  custom: {
    50: '#8f9aea',
    500: '#5173df',
    950: '#000000',
  },
}

SCSS

$custom: #5173df;
$custom-light: #8f9aea;
$custom-dark: #000000;

JSON

{
  "hex": "#5173df",
  "rgb": {
    "r": 81,
    "g": 115,
    "b": 223
  },
  "hsl": {
    "h": 225.634,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58612,
    "c": 0.16866,
    "h": 267.8
  },
  "luminance": 0.19339
}

Semantic roles & 50–950 ramp

primary

#5173DF

secondary

#E1D4AA

accent

#C23CEC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5173DF

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

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