#5147BB#5147BB

#5147BB is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.7% C 0.176 H 281.3°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#5147BB
RGB	rgb(81, 71, 187)
HSL	hsl(245, 46%, 51%)
HSV	hsv(245, 62%, 73%)
CMYK	cmyk(56.7%, 62%, 0%, 26.7%)
CIE-LAB	lab(37.56, 37.00, -60.01)
CIE-LCH	lch(37.56, 70.50, 301.66°)
OKLab	oklab(47.71% 0.0344 -0.1724)
OKLCH	oklch(47.71% 0.176 281.3)
XYZ	xyz(14.6134, 9.8427, 48.1339)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5147BB #B1BB47

analogous

#4777BB #5147BB #8B47BB

triadic

#5147BB #BB5147 #47BB51

tetradic

#5147BB #BB4777 #B1BB47 #47BB8B

square

#5147BB #BB4777 #B1BB47 #47BB8B

split-complementary

#5147BB #BB8B47 #77BB47

monochromatic

#2A2563 #3D3590 #5147BB #7B74CC #A6A0DC

Accessibility & contrast

On white

7.07

#5147BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#5147BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5147BB

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5147BB	#FFFFFF	#000000	##FFFFFF
##5147BB	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#19637A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #5147bb;
/* rgb */ color: rgb(81, 71, 187);
/* oklch */ color: oklch(47.7% 0.176 281.3);

Tailwind

colors: {
  custom: {
    50: '#8c7bd0',
    500: '#5147bb',
    950: '#000000',
  },
}

SCSS

$custom: #5147bb;
$custom-light: #8c7bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5147bb",
  "rgb": {
    "r": 81,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 245.172,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47708,
    "c": 0.17579,
    "h": 281.3
  },
  "luminance": 0.09844
}

Semantic roles & 50–950 ramp

primary

#5147BB

secondary

#C4C995

accent

#D652CA

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #5147BB

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

Preview Lab → · Contrast checker → · Palette generator →