#5161DB#5161DB

#5161DB is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.8% C 0.186 H 273.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#5161DB
RGB	rgb(81, 97, 219)
HSL	hsl(233, 66%, 59%)
HSV	hsv(233, 63%, 86%)
CMYK	cmyk(63%, 55.7%, 0%, 14.1%)
CIE-LAB	lab(46.19, 31.54, -64.48)
CIE-LCH	lch(46.19, 71.78, 296.06°)
OKLab	oklab(54.84% 0.0098 -0.1853)
OKLCH	oklch(54.84% 0.186 273)
XYZ	xyz(20.4500, 15.4114, 68.9011)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161DB #DBCB51

analogous

#51A6DB #5161DB #8651DB

triadic

#5161DB #DB5161 #61DB51

tetradic

#5161DB #DB51A6 #DBCB51 #51DB86

square

#5161DB #DB51A6 #DBCB51 #51DB86

split-complementary

#5161DB #DB8651 #A6DB51

monochromatic

#1E2C93 #293BC6 #5161DB #848FE5 #B6BDF0

Accessibility & contrast

On white

5.14

#5161DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#5161DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161DB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161DB	#FFFFFF	#000000	##FFFFFF
##5161DB	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DF

Deuteranopia (green-blind)

#0067D9

Tritanopia (blue-blind)

#007E94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5161db;
/* rgb */ color: rgb(81, 97, 219);
/* oklch */ color: oklch(54.8% 0.186 273.0);

Tailwind

colors: {
  custom: {
    50: '#8f8de7',
    500: '#5161db',
    950: '#000000',
  },
}

SCSS

$custom: #5161db;
$custom-light: #8f8de7;
$custom-dark: #000000;

JSON

{
  "hex": "#5161db",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 219
  },
  "hsl": {
    "h": 233.043,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.54842,
    "c": 0.18557,
    "h": 273
  },
  "luminance": 0.15413
}

Semantic roles & 50–950 ramp

primary

#5161DB

secondary

#DFD9A9

accent

#D53FE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5161DB

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

Preview Lab → · Contrast checker → · Palette generator →