#5451BF#5451BF

#5451BF is a mid, vivid blue. Relative luminance 0.115; OKLCH L 50.0% C 0.168 H 279.7°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#5451BF
RGB	rgb(84, 81, 191)
HSL	hsl(242, 46%, 53%)
HSV	hsv(242, 58%, 75%)
CMYK	cmyk(56%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(40.46, 32.72, -57.63)
CIE-LCH	lch(40.46, 66.27, 299.58°)
OKLab	oklab(50% 0.0281 -0.1652)
OKLCH	oklch(50% 0.168 279.7)
XYZ	xyz(15.9996, 11.5302, 50.6626)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5451BF #BCBF51

analogous

#5185BF #5451BF #8B51BF

triadic

#5451BF #BF5451 #51BF54

tetradic

#5451BF #BF5185 #BCBF51 #51BF8B

square

#5451BF #BF5185 #BCBF51 #51BF8B

split-complementary

#5451BF #BF8B51 #85BF51

monochromatic

#2A286D #3B399A #5451BF #807ECF #ACAAE0

Accessibility & contrast

On white

6.35

#5451BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#5451BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5451BF

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5451BF	#FFFFFF	#000000	##FFFFFF
##5451BF	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#1C6B80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5451bf;
/* rgb */ color: rgb(84, 81, 191);
/* oklch */ color: oklch(50.0% 0.168 279.7);

Tailwind

colors: {
  custom: {
    50: '#8d82d3',
    500: '#5451bf',
    950: '#000000',
  },
}

SCSS

$custom: #5451bf;
$custom-light: #8d82d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5451bf",
  "rgb": {
    "r": 84,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 241.636,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.49997,
    "c": 0.16763,
    "h": 279.7
  },
  "luminance": 0.11531
}

Semantic roles & 50–950 ramp

primary

#5451BF

secondary

#CCCE9E

accent

#D652D2

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #5451BF

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

Preview Lab → · Contrast checker → · Palette generator →