#5156DB#5156DB

#5156DB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.9% C 0.199 H 275.6°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5156DB
RGB	rgb(81, 86, 219)
HSL	hsl(238, 66%, 59%)
HSV	hsv(238, 63%, 86%)
CMYK	cmyk(63%, 60.7%, 0%, 14.1%)
CIE-LAB	lab(43.53, 38.30, -68.80)
CIE-LCH	lch(43.53, 78.74, 299.11°)
OKLab	oklab(52.87% 0.0194 -0.1981)
OKLCH	oklch(52.87% 0.199 275.6)
XYZ	xyz(19.5031, 13.5178, 68.5855)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156DB #DBD651

analogous

#519BDB #5156DB #9151DB

triadic

#5156DB #DB5156 #56DB51

tetradic

#5156DB #DB519B #DBD651 #51DB91

square

#5156DB #DB519B #DBD651 #51DB91

split-complementary

#5156DB #DB9151 #9BDB51

monochromatic

#1E2393 #292FC6 #5156DB #8487E5 #B6B9F0

Accessibility & contrast

On white

5.67

#5156DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#5156DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156DB

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156DB	#FFFFFF	#000000	##FFFFFF
##5156DB	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDF

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5156db;
/* rgb */ color: rgb(81, 86, 219);
/* oklch */ color: oklch(52.9% 0.199 275.6);

Tailwind

colors: {
  custom: {
    50: '#9086e7',
    500: '#5156db',
    950: '#000000',
  },
}

SCSS

$custom: #5156db;
$custom-light: #9086e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5156db",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 219
  },
  "hsl": {
    "h": 237.826,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.5287,
    "c": 0.19906,
    "h": 275.6
  },
  "luminance": 0.13519
}

Semantic roles & 50–950 ramp

primary

#5156DB

secondary

#DFDDA9

accent

#E33FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5156DB

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

Preview Lab → · Contrast checker → · Palette generator →