#5148BB#5148BB

#5148BB is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.9% C 0.175 H 281.1°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#5148BB
RGB	rgb(81, 72, 187)
HSL	hsl(245, 46%, 51%)
HSV	hsv(245, 61%, 73%)
CMYK	cmyk(56.7%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(37.79, 36.40, -59.64)
CIE-LCH	lch(37.79, 69.87, 301.40°)
OKLab	oklab(47.88% 0.0335 -0.1713)
OKLCH	oklch(47.88% 0.175 281.1)
XYZ	xyz(14.6775, 9.9710, 48.1552)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5148BB #B2BB48

analogous

#4878BB #5148BB #8A48BB

triadic

#5148BB #BB5148 #48BB51

tetradic

#5148BB #BB4878 #B2BB48 #48BB8A

square

#5148BB #BB4878 #B2BB48 #48BB8A

split-complementary

#5148BB #BB8A48 #78BB48

monochromatic

#2A2564 #3D3690 #5148BB #7B75CC #A6A1DC

Accessibility & contrast

On white

7.01

#5148BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#5148BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5148BB

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5148BB	#FFFFFF	#000000	##FFFFFF
##5148BB	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#19647A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #5148bb;
/* rgb */ color: rgb(81, 72, 187);
/* oklch */ color: oklch(47.9% 0.175 281.1);

Tailwind

colors: {
  custom: {
    50: '#8c7bd0',
    500: '#5148bb',
    950: '#000000',
  },
}

SCSS

$custom: #5148bb;
$custom-light: #8c7bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5148bb",
  "rgb": {
    "r": 81,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 244.696,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47877,
    "c": 0.17452,
    "h": 281.1
  },
  "luminance": 0.09972
}

Semantic roles & 50–950 ramp

primary

#5148BB

secondary

#C5C996

accent

#D552CB

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #5148BB

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

Preview Lab → · Contrast checker → · Palette generator →