#515183#515183

#515183 is a mid, moderate blue. Relative luminance 0.093; OKLCH L 45.8% C 0.081 H 282.7°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#515183
RGB	rgb(81, 81, 131)
HSL	hsl(240, 24%, 42%)
HSV	hsv(240, 38%, 51%)
CMYK	cmyk(38.2%, 38.2%, 0%, 48.6%)
CIE-LAB	lab(36.50, 13.08, -28.08)
CIE-LCH	lch(36.50, 30.98, 294.98°)
OKLab	oklab(45.76% 0.0178 -0.0787)
OKLCH	oklch(45.76% 0.081 282.7)
XYZ	xyz(10.4314, 9.2725, 22.7085)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515183 #838351

analogous

#516A83 #515183 #6A5183

triadic

#515183 #835151 #518351

tetradic

#515183 #83516A #838351 #51836A

square

#515183 #83516A #838351 #51836A

split-complementary

#515183 #836A51 #6A8351

monochromatic

#222237 #3A3A5D #515183 #6D6DA5 #9292BC

Accessibility & contrast

On white

7.36

#515183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#515183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #515183

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515183	#FFFFFF	#000000	##FFFFFF
##515183	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415885

Deuteranopia (green-blind)

#3F5482

Tritanopia (blue-blind)

#435B64

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #515183;
/* rgb */ color: rgb(81, 81, 131);
/* oklch */ color: oklch(45.8% 0.081 282.7);

Tailwind

colors: {
  custom: {
    50: '#8481a7',
    500: '#515183',
    950: '#000000',
  },
}

SCSS

$custom: #515183;
$custom-light: #8481a7;
$custom-dark: #000000;

JSON

{
  "hex": "#515183",
  "rgb": {
    "r": 81,
    "g": 81,
    "b": 131
  },
  "hsl": {
    "h": 240,
    "s": 23.585,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45762,
    "c": 0.08069,
    "h": 282.7
  },
  "luminance": 0.09273
}

Semantic roles & 50–950 ramp

primary

#515183

secondary

#A9A987

accent

#C068C0

background

#F8F7FA

surface

#EFEEF4

border

#CAC9CE

text

#0B0A0F

muted

#7C7C7F

Preview Lab

Preview with #515183

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

Preview Lab → · Contrast checker → · Palette generator →