#5B54BB#5B54BB

#5B54BB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.8% C 0.157 H 282.3°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#5B54BB
RGB	rgb(91, 84, 187)
HSL	hsl(244, 43%, 53%)
HSV	hsv(244, 55%, 73%)
CMYK	cmyk(51.3%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(41.46, 30.99, -53.66)
CIE-LCH	lch(41.46, 61.97, 300.01°)
OKLab	oklab(50.79% 0.0335 -0.1533)
OKLCH	oklch(50.79% 0.157 282.3)
XYZ	xyz(16.4516, 12.1517, 48.4827)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B54BB #B4BB54

analogous

#5480BB #5B54BB #8E54BB

triadic

#5B54BB #BB5B54 #54BB5B

tetradic

#5B54BB #BB5480 #B4BB54 #54BB8E

square

#5B54BB #BB5480 #B4BB54 #54BB8E

split-complementary

#5B54BB #BB8E54 #80BB54

monochromatic

#2F2A6A #423C96 #5B54BB #8580CC #AFACDE

Accessibility & contrast

On white

6.12

#5B54BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#5B54BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B54BB

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B54BB	#FFFFFF	#000000	##FFFFFF
##5B54BB	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1565BF

Deuteranopia (green-blind)

#055EB9

Tritanopia (blue-blind)

#356B7F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5b54bb;
/* rgb */ color: rgb(91, 84, 187);
/* oklch */ color: oklch(50.8% 0.157 282.3);

Tailwind

colors: {
  custom: {
    50: '#9084d0',
    500: '#5b54bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b54bb;
$custom-light: #9084d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b54bb",
  "rgb": {
    "r": 91,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 244.078,
    "s": 43.096,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50786,
    "c": 0.15695,
    "h": 282.3
  },
  "luminance": 0.12153
}

Semantic roles & 50–950 ramp

primary

#5B54BB

secondary

#C9CC9F

accent

#D355CA

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5B54BB

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

Preview Lab → · Contrast checker → · Palette generator →