#5156CD#5156CD

#5156CD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.8% C 0.181 H 276.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5156CD
RGB	rgb(81, 86, 205)
HSL	hsl(238, 55%, 56%)
HSV	hsv(238, 60%, 80%)
CMYK	cmyk(60.5%, 58%, 0%, 19.6%)
CIE-LAB	lab(42.48, 33.67, -62.49)
CIE-LCH	lch(42.48, 70.98, 298.31°)
OKLab	oklab(51.76% 0.0197 -0.1796)
OKLCH	oklch(51.76% 0.181 276.2)
XYZ	xyz(17.7370, 12.8113, 59.2839)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156CD #CDC851

analogous

#5194CD #5156CD #8A51CD

triadic

#5156CD #CD5156 #56CD51

tetradic

#5156CD #CD5194 #CDC851 #51CD8A

square

#5156CD #CD5194 #CDC851 #51CD8A

split-complementary

#5156CD #CD8A51 #94CD51

monochromatic

#25287F #3237AF #5156CD #8184DB #B0B2E8

Accessibility & contrast

On white

5.89

#5156CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#5156CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156CD

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156CD	#FFFFFF	#000000	##FFFFFF
##5156CD	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD1

Deuteranopia (green-blind)

#005FCB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5156cd;
/* rgb */ color: rgb(81, 86, 205);
/* oklch */ color: oklch(51.8% 0.181 276.2);

Tailwind

colors: {
  custom: {
    50: '#8e85dd',
    500: '#5156cd',
    950: '#000000',
  },
}

SCSS

$custom: #5156cd;
$custom-light: #8e85dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5156cd",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 205
  },
  "hsl": {
    "h": 237.581,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51759,
    "c": 0.18064,
    "h": 276.2
  },
  "luminance": 0.12813
}

Semantic roles & 50–950 ramp

primary

#5156CD

secondary

#D7D4A3

accent

#D949DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5156CD

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

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