#51507A#51507A

#51507A is a mid, moderate blue. Relative luminance 0.089; OKLCH L 45.1% C 0.068 H 284.4°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#51507A
RGB	rgb(81, 80, 122)
HSL	hsl(241, 21%, 40%)
HSV	hsv(241, 34%, 48%)
CMYK	cmyk(33.6%, 34.4%, 0%, 52.2%)
CIE-LAB	lab(35.77, 11.08, -23.68)
CIE-LCH	lch(35.77, 26.14, 295.08°)
OKLab	oklab(45.06% 0.017 -0.066)
OKLCH	oklch(45.06% 0.068 284.4)
XYZ	xyz(9.7739, 8.8915, 19.6099)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51507A #797A50

analogous

#50647A #51507A #66507A

triadic

#51507A #7A5150 #507A51

tetradic

#51507A #7A5064 #797A50 #507A66

square

#51507A #7A5064 #797A50 #507A66

split-complementary

#51507A #7A6650 #647A50

monochromatic

#202030 #383855 #51507A #6B6A9D #908FB5

Accessibility & contrast

On white

7.56

#51507A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#51507A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51507A

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51507A	#FFFFFF	#000000	##FFFFFF
##51507A	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44557C

Deuteranopia (green-blind)

#425379

Tritanopia (blue-blind)

#47585F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #51507a;
/* rgb */ color: rgb(81, 80, 122);
/* oklch */ color: oklch(45.1% 0.068 284.4);

Tailwind

colors: {
  custom: {
    50: '#8381a0',
    500: '#51507a',
    950: '#000000',
  },
}

SCSS

$custom: #51507a;
$custom-light: #8381a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51507a",
  "rgb": {
    "r": 81,
    "g": 80,
    "b": 122
  },
  "hsl": {
    "h": 241.429,
    "s": 20.792,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45055,
    "c": 0.06811,
    "h": 284.4
  },
  "luminance": 0.08892
}

Semantic roles & 50–950 ramp

primary

#51507A

secondary

#A2A383

accent

#BD6ABB

background

#F8F7F9

surface

#EFEEF2

border

#CAC9CC

text

#0B0A0E

muted

#7C7C7E

Preview Lab

Preview with #51507A

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

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