#5156E5#5156E5

#5156E5 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 53.7% C 0.212 H 275.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5156E5
RGB	rgb(81, 86, 229)
HSL	hsl(238, 74%, 61%)
HSV	hsv(238, 65%, 90%)
CMYK	cmyk(64.6%, 62.4%, 0%, 10.2%)
CIE-LAB	lab(44.32, 41.60, -73.20)
CIE-LCH	lch(44.32, 84.20, 299.61°)
OKLab	oklab(53.69% 0.0189 -0.211)
OKLCH	oklch(53.69% 0.212 275.1)
XYZ	xyz(20.8593, 14.0602, 75.7282)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156E5 #E5E051

analogous

#51A0E5 #5156E5 #9651E5

triadic

#5156E5 #E55156 #56E551

tetradic

#5156E5 #E551A0 #E5E051 #51E596

square

#5156E5 #E551A0 #E5E051 #51E596

split-complementary

#5156E5 #E59651 #A0E551

monochromatic

#181DA3 #2027D8 #5156E5 #868AED #BBBDF5

Accessibility & contrast

On white

5.51

#5156E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#5156E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156E5

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156E5	#FFFFFF	#000000	##FFFFFF
##5156E5	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FEA

Deuteranopia (green-blind)

#0062E2

Tritanopia (blue-blind)

#007A96

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5156e5;
/* rgb */ color: rgb(81, 86, 229);
/* oklch */ color: oklch(53.7% 0.212 275.1);

Tailwind

colors: {
  custom: {
    50: '#9286ee',
    500: '#5156e5',
    950: '#000000',
  },
}

SCSS

$custom: #5156e5;
$custom-light: #9286ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5156e5",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 229
  },
  "hsl": {
    "h": 237.973,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.53692,
    "c": 0.21188,
    "h": 275.1
  },
  "luminance": 0.14062
}

Semantic roles & 50–950 ramp

primary

#5156E5

secondary

#E5E3AD

accent

#CF0FD6

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5156E5

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

Preview Lab → · Contrast checker → · Palette generator →