#5161DA#5161DA

#5161DA is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.8% C 0.184 H 273.0°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5161DA
RGB	rgb(81, 97, 218)
HSL	hsl(233, 65%, 59%)
HSV	hsv(233, 63%, 85%)
CMYK	cmyk(62.8%, 55.5%, 0%, 14.5%)
CIE-LAB	lab(46.12, 31.20, -64.02)
CIE-LCH	lch(46.12, 71.22, 295.98°)
OKLab	oklab(54.77% 0.0098 -0.184)
OKLCH	oklch(54.77% 0.184 273)
XYZ	xyz(20.3187, 15.3590, 68.2099)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161DA #DACA51

analogous

#51A5DA #5161DA #8551DA

triadic

#5161DA #DA5161 #61DA51

tetradic

#5161DA #DA51A5 #DACA51 #51DA85

square

#5161DA #DA51A5 #DACA51 #51DA85

split-complementary

#5161DA #DA8551 #A5DA51

monochromatic

#1F2C92 #2A3CC4 #5161DA #838FE5 #B6BDEF

Accessibility & contrast

On white

5.16

#5161DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#5161DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161DA

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161DA	#FFFFFF	#000000	##FFFFFF
##5161DA	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DE

Deuteranopia (green-blind)

#0067D8

Tritanopia (blue-blind)

#007E94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5161da;
/* rgb */ color: rgb(81, 97, 218);
/* oklch */ color: oklch(54.8% 0.184 273.0);

Tailwind

colors: {
  custom: {
    50: '#8f8de6',
    500: '#5161da',
    950: '#000000',
  },
}

SCSS

$custom: #5161da;
$custom-light: #8f8de6;
$custom-dark: #000000;

JSON

{
  "hex": "#5161da",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 218
  },
  "hsl": {
    "h": 232.993,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.54767,
    "c": 0.18423,
    "h": 273
  },
  "luminance": 0.15361
}

Semantic roles & 50–950 ramp

primary

#5161DA

secondary

#DED8A8

accent

#D440E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5161DA

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

Preview Lab → · Contrast checker → · Palette generator →