#5155CD#5155CD

#5155CD is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.6% C 0.182 H 276.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#5155CD
RGB	rgb(81, 85, 205)
HSL	hsl(238, 55%, 56%)
HSV	hsv(238, 60%, 80%)
CMYK	cmyk(60.5%, 58.5%, 0%, 19.6%)
CIE-LAB	lab(42.24, 34.29, -62.88)
CIE-LCH	lch(42.24, 71.62, 298.60°)
OKLab	oklab(51.58% 0.0206 -0.1807)
OKLCH	oklch(51.58% 0.182 276.5)
XYZ	xyz(17.6577, 12.6527, 59.2575)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155CD #CDC951

analogous

#5193CD #5155CD #8B51CD

triadic

#5155CD #CD5155 #55CD51

tetradic

#5155CD #CD5193 #CDC951 #51CD8B

square

#5155CD #CD5193 #CDC951 #51CD8B

split-complementary

#5155CD #CD8B51 #93CD51

monochromatic

#25277F #3236AF #5155CD #8183DB #B0B2E8

Accessibility & contrast

On white

5.95

#5155CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#5155CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155CD

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155CD	#FFFFFF	#000000	##FFFFFF
##5155CD	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#007289

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5155cd;
/* rgb */ color: rgb(81, 85, 205);
/* oklch */ color: oklch(51.6% 0.182 276.5);

Tailwind

colors: {
  custom: {
    50: '#8e85dd',
    500: '#5155cd',
    950: '#000000',
  },
}

SCSS

$custom: #5155cd;
$custom-light: #8e85dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5155cd",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 205
  },
  "hsl": {
    "h": 238.065,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51579,
    "c": 0.18191,
    "h": 276.5
  },
  "luminance": 0.12654
}

Semantic roles & 50–950 ramp

primary

#5155CD

secondary

#D7D5A3

accent

#DA49DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5155CD

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

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