#5156CA#5156CA

#5156CA is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.5% C 0.177 H 276.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#5156CA
RGB	rgb(81, 86, 202)
HSL	hsl(238, 53%, 55%)
HSV	hsv(238, 60%, 79%)
CMYK	cmyk(59.9%, 57.4%, 0%, 20.8%)
CIE-LAB	lab(42.26, 32.67, -61.11)
CIE-LCH	lch(42.26, 69.30, 298.13°)
OKLab	oklab(51.53% 0.0197 -0.1755)
OKLCH	oklch(51.53% 0.177 276.4)
XYZ	xyz(17.3783, 12.6679, 57.3950)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156CA #CAC551

analogous

#5192CA #5156CA #8951CA

triadic

#5156CA #CA5156 #56CA51

tetradic

#5156CA #CA5192 #CAC551 #51CA89

square

#5156CA #CA5192 #CAC551 #51CA89

split-complementary

#5156CA #CA8951 #92CA51

monochromatic

#25297B #3439AA #5156CA #8084D8 #AFB1E7

Accessibility & contrast

On white

5.94

#5156CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#5156CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156CA

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156CA	#FFFFFF	#000000	##FFFFFF
##5156CA	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5156ca;
/* rgb */ color: rgb(81, 86, 202);
/* oklch */ color: oklch(51.5% 0.177 276.4);

Tailwind

colors: {
  custom: {
    50: '#8d85db',
    500: '#5156ca',
    950: '#000000',
  },
}

SCSS

$custom: #5156ca;
$custom-light: #8d85db;
$custom-dark: #000000;

JSON

{
  "hex": "#5156ca",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 202
  },
  "hsl": {
    "h": 237.521,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51527,
    "c": 0.17663,
    "h": 276.4
  },
  "luminance": 0.12669
}

Semantic roles & 50–950 ramp

primary

#5156CA

secondary

#D5D3A2

accent

#D74BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5156CA

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

Preview Lab → · Contrast checker → · Palette generator →