#515D83#515D83

#515D83 is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.4% C 0.063 H 270.5°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#515D83
RGB	rgb(81, 93, 131)
HSL	hsl(226, 24%, 42%)
HSV	hsv(226, 38%, 51%)
CMYK	cmyk(38.2%, 29%, 0%, 48.6%)
CIE-LAB	lab(39.94, 5.47, -22.71)
CIE-LCH	lch(39.94, 23.36, 283.55°)
OKLab	oklab(48.42% 0.0005 -0.0632)
OKLCH	oklch(48.42% 0.063 270.5)
XYZ	xyz(11.4032, 11.2162, 23.0324)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515D83 #837751

analogous

#517683 #515D83 #5E5183

triadic

#515D83 #83515D #5D8351

tetradic

#515D83 #835176 #837751 #51835E

square

#515D83 #835176 #837751 #51835E

split-complementary

#515D83 #835E51 #768351

monochromatic

#222737 #3A425D #515D83 #6D7AA5 #929CBC

Accessibility & contrast

On white

6.47

#515D83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#515D83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515D83

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515D83	#FFFFFF	#000000	##FFFFFF
##515D83	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516085

Deuteranopia (green-blind)

#4C5C82

Tritanopia (blue-blind)

#42656A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #515d83;
/* rgb */ color: rgb(81, 93, 131);
/* oklch */ color: oklch(48.4% 0.063 270.5);

Tailwind

colors: {
  custom: {
    50: '#848aa7',
    500: '#515d83',
    950: '#000000',
  },
}

SCSS

$custom: #515d83;
$custom-light: #848aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#515d83",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 131
  },
  "hsl": {
    "h": 225.6,
    "s": 23.585,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48417,
    "c": 0.06321,
    "h": 270.5
  },
  "luminance": 0.11217
}

Semantic roles & 50–950 ramp

primary

#515D83

secondary

#A9A187

accent

#AB68C0

background

#F8F8FA

surface

#EFF0F4

border

#CACBCE

text

#0B0B0F

muted

#7C7C7F

Preview Lab

Preview with #515D83

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

Preview Lab → · Contrast checker → · Palette generator →