#51429D#51429D

#51429D is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.142 H 286.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#51429D
RGB	rgb(81, 66, 157)
HSL	hsl(250, 41%, 44%)
HSV	hsv(250, 58%, 62%)
CMYK	cmyk(48.4%, 58%, 0%, 38.4%)
CIE-LAB	lab(34.15, 30.61, -47.68)
CIE-LCH	lch(34.15, 56.66, 302.70°)
OKLab	oklab(44.5% 0.0408 -0.1361)
OKLCH	oklch(44.5% 0.142 286.7)
XYZ	xyz(11.4256, 8.0796, 32.8492)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51429D #8E9D42

analogous

#42609D #51429D #7E429D

triadic

#51429D #9D5142 #429D51

tetradic

#51429D #9D4260 #8E9D42 #429D7E

square

#51429D #9D4260 #8E9D42 #429D7E

split-complementary

#51429D #9D7E42 #609D42

monochromatic

#251E47 #3B3072 #51429D #6F60BC #968BCE

Accessibility & contrast

On white

8.03

#51429D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#51429D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51429D

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51429D	#FFFFFF	#000000	##FFFFFF
##51429D	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0353A0

Deuteranopia (green-blind)

#014E9B

Tritanopia (blue-blind)

#375669

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #51429d;
/* rgb */ color: rgb(81, 66, 157);
/* oklch */ color: oklch(44.5% 0.142 286.7);

Tailwind

colors: {
  custom: {
    50: '#8877bb',
    500: '#51429d',
    950: '#000000',
  },
}

SCSS

$custom: #51429d;
$custom-light: #8877bb;
$custom-dark: #000000;

JSON

{
  "hex": "#51429d",
  "rgb": {
    "r": 81,
    "g": 66,
    "b": 157
  },
  "hsl": {
    "h": 249.89,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44496,
    "c": 0.14211,
    "h": 286.7
  },
  "luminance": 0.0808
}

Semantic roles & 50–950 ramp

primary

#51429D

secondary

#B0B982

accent

#D157BD

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0812

muted

#7D7B81

Preview Lab

Preview with #51429D

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

Preview Lab → · Contrast checker → · Palette generator →