#5156EE#5156EE

#5156EE is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.4% C 0.223 H 274.7°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#5156EE
RGB	rgb(81, 86, 238)
HSL	hsl(238, 82%, 63%)
HSV	hsv(238, 66%, 93%)
CMYK	cmyk(66%, 63.9%, 0%, 6.7%)
CIE-LAB	lab(45.05, 44.55, -77.09)
CIE-LCH	lch(45.05, 89.04, 300.02°)
OKLab	oklab(54.45% 0.0182 -0.2224)
OKLCH	oklch(54.45% 0.223 274.7)
XYZ	xyz(22.1486, 14.5760, 82.5186)
Luminance	0.1458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156EE #EEE951

analogous

#51A5EE #5156EE #9A51EE

triadic

#5156EE #EE5156 #56EE51

tetradic

#5156EE #EE51A5 #EEE951 #51EE9A

square

#5156EE #EE51A5 #EEE951 #51EE9A

split-complementary

#5156EE #EE9A51 #A5EE51

monochromatic

#1117B3 #1920E9 #5156EE #898CF3 #C1C2F9

Accessibility & contrast

On white

5.36

#5156EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#5156EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156EE

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156EE	#FFFFFF	#000000	##FFFFFF
##5156EE	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F3

Deuteranopia (green-blind)

#0064EB

Tritanopia (blue-blind)

#007D9A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5156ee;
/* rgb */ color: rgb(81, 86, 238);
/* oklch */ color: oklch(54.4% 0.223 274.7);

Tailwind

colors: {
  custom: {
    50: '#9486f5',
    500: '#5156ee',
    950: '#000000',
  },
}

SCSS

$custom: #5156ee;
$custom-light: #9486f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5156ee",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 238
  },
  "hsl": {
    "h": 238.089,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.5445,
    "c": 0.2232,
    "h": 274.7
  },
  "luminance": 0.14578
}

Semantic roles & 50–950 ramp

primary

#5156EE

secondary

#EAE8B1

accent

#D807DF

background

#F9F8FF

surface

#F2EFFF

border

#CCCAD7

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5156EE

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

Preview Lab → · Contrast checker → · Palette generator →