#5153CD#5153CD

#5153CD is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.2% C 0.184 H 277.0°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#5153CD
RGB	rgb(81, 83, 205)
HSL	hsl(239, 55%, 56%)
HSV	hsv(239, 60%, 80%)
CMYK	cmyk(60.5%, 59.5%, 0%, 19.6%)
CIE-LAB	lab(41.76, 35.52, -63.66)
CIE-LCH	lch(41.76, 72.90, 299.16°)
OKLab	oklab(51.22% 0.0224 -0.183)
OKLCH	oklch(51.22% 0.184 277)
XYZ	xyz(17.5025, 12.3423, 59.2057)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153CD #CDCB51

analogous

#5191CD #5153CD #8D51CD

triadic

#5153CD #CD5153 #53CD51

tetradic

#5153CD #CD5191 #CDCB51 #51CD8D

square

#5153CD #CD5191 #CDCB51 #51CD8D

split-complementary

#5153CD #CD8D51 #91CD51

monochromatic

#25267F #3234AF #5153CD #8182DB #B0B1E8

Accessibility & contrast

On white

6.05

#5153CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#5153CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153CD

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153CD	#FFFFFF	#000000	##FFFFFF
##5153CD	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D1

Deuteranopia (green-blind)

#005DCB

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5153cd;
/* rgb */ color: rgb(81, 83, 205);
/* oklch */ color: oklch(51.2% 0.184 277.0);

Tailwind

colors: {
  custom: {
    50: '#8e83dd',
    500: '#5153cd',
    950: '#000000',
  },
}

SCSS

$custom: #5153cd;
$custom-light: #8e83dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5153cd",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 205
  },
  "hsl": {
    "h": 239.032,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51224,
    "c": 0.18442,
    "h": 277
  },
  "luminance": 0.12344
}

Semantic roles & 50–950 ramp

primary

#5153CD

secondary

#D7D6A3

accent

#DC49DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5153CD

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

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