#5165DD#5165DD

#5165DD is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.183 H 272.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5165DD
RGB	rgb(81, 101, 221)
HSL	hsl(231, 67%, 59%)
HSV	hsv(231, 63%, 87%)
CMYK	cmyk(63.3%, 54.3%, 0%, 13.3%)
CIE-LAB	lab(47.33, 29.73, -63.76)
CIE-LCH	lch(47.33, 70.36, 295.00°)
OKLab	oklab(55.74% 0.0063 -0.1832)
OKLCH	oklch(55.74% 0.183 272)
XYZ	xyz(21.0938, 16.2753, 70.4224)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5165DD #DDC951

analogous

#51ABDD #5165DD #8351DD

triadic

#5165DD #DD5165 #65DD51

tetradic

#5165DD #DD51AB #DDC951 #51DD83

square

#5165DD #DD51AB #DDC951 #51DD83

split-complementary

#5165DD #DD8351 #ABDD51

monochromatic

#1D2F96 #273FC9 #5165DD #8492E7 #B7C0F1

Accessibility & contrast

On white

4.93

#5165DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#5165DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5165DD

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5165DD	#FFFFFF	#000000	##FFFFFF
##5165DD	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0577E1

Deuteranopia (green-blind)

#006ADB

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5165dd;
/* rgb */ color: rgb(81, 101, 221);
/* oklch */ color: oklch(55.7% 0.183 272.0);

Tailwind

colors: {
  custom: {
    50: '#9090e8',
    500: '#5165dd',
    950: '#000000',
  },
}

SCSS

$custom: #5165dd;
$custom-light: #9090e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5165dd",
  "rgb": {
    "r": 81,
    "g": 101,
    "b": 221
  },
  "hsl": {
    "h": 231.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.55741,
    "c": 0.18328,
    "h": 272
  },
  "luminance": 0.16277
}

Semantic roles & 50–950 ramp

primary

#5165DD

secondary

#E0D8AA

accent

#D23EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5165DD

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

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