#5145CB#5145CB

#5145CB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.7% C 0.199 H 280.1°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#5145CB
RGB	rgb(81, 69, 203)
HSL	hsl(245, 56%, 53%)
HSV	hsv(245, 66%, 80%)
CMYK	cmyk(60.1%, 66%, 0%, 20.4%)
CIE-LAB	lab(38.40, 43.28, -67.97)
CIE-LCH	lch(38.40, 80.58, 302.48°)
OKLab	oklab(48.73% 0.0348 -0.1958)
OKLCH	oklch(48.73% 0.199 280.1)
XYZ	xyz(16.2975, 10.3162, 57.6207)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5145CB #BFCB45

analogous

#457CCB #5145CB #9445CB

triadic

#5145CB #CB5145 #45CB51

tetradic

#5145CB #CB457C #BFCB45 #45CB94

square

#5145CB #CB457C #BFCB45 #45CB94

split-complementary

#5145CB #CB9445 #7CCB45

monochromatic

#282175 #392EA5 #5145CB #7E75D8 #AAA5E6

Accessibility & contrast

On white

6.86

#5145CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#5145CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5145CB

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5145CB	#FFFFFF	#000000	##FFFFFF
##5145CB	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCF

Deuteranopia (green-blind)

#0055C8

Tritanopia (blue-blind)

#006882

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5145cb;
/* rgb */ color: rgb(81, 69, 203);
/* oklch */ color: oklch(48.7% 0.199 280.1);

Tailwind

colors: {
  custom: {
    50: '#8f7adc',
    500: '#5145cb',
    950: '#000000',
  },
}

SCSS

$custom: #5145cb;
$custom-light: #8f7adc;
$custom-dark: #000000;

JSON

{
  "hex": "#5145cb",
  "rgb": {
    "r": 81,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 245.373,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48725,
    "c": 0.19882,
    "h": 280.1
  },
  "luminance": 0.10317
}

Semantic roles & 50–950 ramp

primary

#5145CB

secondary

#CED399

accent

#E048D2

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5145CB

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

Preview Lab → · Contrast checker → · Palette generator →