#51529D#51529D

#51529D is a mid, moderate blue. Relative luminance 0.102; OKLCH L 47.5% C 0.119 H 280.3°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#51529D
RGB	rgb(81, 82, 157)
HSL	hsl(239, 32%, 47%)
HSV	hsv(239, 48%, 62%)
CMYK	cmyk(48.4%, 47.8%, 0%, 38.4%)
CIE-LAB	lab(38.23, 20.48, -41.12)
CIE-LCH	lch(38.23, 45.94, 296.48°)
OKLab	oklab(47.55% 0.0212 -0.1168)
OKLCH	oklch(47.55% 0.119 280.3)
XYZ	xyz(12.4946, 10.2176, 33.2056)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51529D #9D9C51

analogous

#51789D #51529D #76519D

triadic

#51529D #9D5152 #529D51

tetradic

#51529D #9D5178 #9D9C51 #519D76

square

#51529D #9D5178 #9D9C51 #519D76

split-complementary

#51529D #9D7651 #789D51

monochromatic

#27284C #3C3D75 #51529D #7475B7 #9C9DCC

Accessibility & contrast

On white

6.90

#51529D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#51529D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51529D

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51529D	#FFFFFF	#000000	##FFFFFF
##51529D	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA0

Deuteranopia (green-blind)

#2D579B

Tritanopia (blue-blind)

#366270

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #51529d;
/* rgb */ color: rgb(81, 82, 157);
/* oklch */ color: oklch(47.5% 0.119 280.3);

Tailwind

colors: {
  custom: {
    50: '#8782ba',
    500: '#51529d',
    950: '#000000',
  },
}

SCSS

$custom: #51529d;
$custom-light: #8782ba;
$custom-dark: #000000;

JSON

{
  "hex": "#51529d",
  "rgb": {
    "r": 81,
    "g": 82,
    "b": 157
  },
  "hsl": {
    "h": 239.211,
    "s": 31.933,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47549,
    "c": 0.11869,
    "h": 280.3
  },
  "luminance": 0.10218
}

Semantic roles & 50–950 ramp

primary

#51529D

secondary

#B9B991

accent

#C760C8

background

#F8F7FB

surface

#F0EEF6

border

#CBC9D0

text

#0C0A12

muted

#7D7C81

Preview Lab

Preview with #51529D

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

Preview Lab → · Contrast checker → · Palette generator →