#51478F#51478F

#51478F is a dark, moderate blue. Relative luminance 0.082; OKLCH L 44.4% C 0.115 H 287.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#51478F
RGB	rgb(81, 71, 143)
HSL	hsl(248, 34%, 42%)
HSV	hsv(248, 50%, 56%)
CMYK	cmyk(43.4%, 50.3%, 0%, 43.9%)
CIE-LAB	lab(34.47, 23.13, -38.64)
CIE-LCH	lch(34.47, 45.04, 300.90°)
OKLab	oklab(44.44% 0.0338 -0.1096)
OKLCH	oklch(44.44% 0.115 287.1)
XYZ	xyz(10.6031, 8.2386, 27.0128)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51478F #858F47

analogous

#47618F #51478F #75478F

triadic

#51478F #8F5147 #478F51

tetradic

#51478F #8F4761 #858F47 #478F75

square

#51478F #8F4761 #858F47 #478F75

split-complementary

#51478F #8F7547 #618F47

monochromatic

#231E3D #3A3366 #51478F #6D62B1 #938BC5

Accessibility & contrast

On white

7.93

#51478F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#51478F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51478F

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51478F	#FFFFFF	#000000	##FFFFFF
##51478F	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295392

Deuteranopia (green-blind)

#294F8D

Tritanopia (blue-blind)

#3F5664

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #51478f;
/* rgb */ color: rgb(81, 71, 143);
/* oklch */ color: oklch(44.4% 0.115 287.1);

Tailwind

colors: {
  custom: {
    50: '#857ab0',
    500: '#51478f',
    950: '#000000',
  },
}

SCSS

$custom: #51478f;
$custom-light: #857ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#51478f",
  "rgb": {
    "r": 81,
    "g": 71,
    "b": 143
  },
  "hsl": {
    "h": 248.333,
    "s": 33.645,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44442,
    "c": 0.11466,
    "h": 287.1
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary

#51478F

secondary

#AAB181

accent

#CA5EBB

background

#F8F7FA

surface

#F0EDF5

border

#CBC8CF

text

#0B0910

muted

#7C7B7F

Preview Lab

Preview with #51478F

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

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