#5154CB#5154CB

#5154CB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.2% C 0.180 H 276.9°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#5154CB
RGB	rgb(81, 84, 203)
HSL	hsl(239, 54%, 56%)
HSV	hsv(239, 60%, 80%)
CMYK	cmyk(60.1%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(41.85, 34.24, -62.36)
CIE-LCH	lch(41.85, 71.14, 298.77°)
OKLab	oklab(51.24% 0.0215 -0.1792)
OKLCH	oklch(51.24% 0.181 276.9)
XYZ	xyz(17.3397, 12.4005, 57.9681)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5154CB #CBC851

analogous

#5191CB #5154CB #8B51CB

triadic

#5154CB #CB5154 #54CB51

tetradic

#5154CB #CB5191 #CBC851 #51CB8B

square

#5154CB #CB5191 #CBC851 #51CB8B

split-complementary

#5154CB #CB8B51 #91CB51

monochromatic

#25277C #3336AC #5154CB #8082D9 #AFB1E7

Accessibility & contrast

On white

6.03

#5154CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#5154CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5154CB

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5154CB	#FFFFFF	#000000	##FFFFFF
##5154CB	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5154cb;
/* rgb */ color: rgb(81, 84, 203);
/* oklch */ color: oklch(51.2% 0.180 276.9);

Tailwind

colors: {
  custom: {
    50: '#8e84dc',
    500: '#5154cb',
    950: '#000000',
  },
}

SCSS

$custom: #5154cb;
$custom-light: #8e84dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5154cb",
  "rgb": {
    "r": 81,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 238.525,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51244,
    "c": 0.1805,
    "h": 276.9
  },
  "luminance": 0.12402
}

Semantic roles & 50–950 ramp

primary

#5154CB

secondary

#D5D4A3

accent

#DA4ADD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5154CB

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

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