#515C8D#515C8D

#515C8D is a mid, moderate blue. Relative luminance 0.113; OKLCH L 48.7% C 0.080 H 273.4°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#515C8D
RGB	rgb(81, 92, 141)
HSL	hsl(229, 27%, 44%)
HSV	hsv(229, 43%, 55%)
CMYK	cmyk(42.6%, 34.8%, 0%, 44.7%)
CIE-LAB	lab(40.12, 9.10, -28.49)
CIE-LCH	lch(40.12, 29.91, 287.72°)
OKLab	oklab(48.71% 0.0048 -0.0799)
OKLCH	oklch(48.71% 0.08 273.4)
XYZ	xyz(12.0267, 11.3261, 26.7466)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515C8D #8D8251

analogous

#517A8D #515C8D #64518D

triadic

#515C8D #8D515C #5C8D51

tetradic

#515C8D #8D517A #8D8251 #518D64

square

#515C8D #8D517A #8D8251 #518D64

split-complementary

#515C8D #8D6451 #7A8D51

monochromatic

#24293F #3B4366 #515C8D #6F7AAC #969EC3

Accessibility & contrast

On white

6.43

#515C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#515C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515C8D

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515C8D	#FFFFFF	#000000	##FFFFFF
##515C8D	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B618F

Deuteranopia (green-blind)

#465C8C

Tritanopia (blue-blind)

#3E666E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #515c8d;
/* rgb */ color: rgb(81, 92, 141);
/* oklch */ color: oklch(48.7% 0.080 273.4);

Tailwind

colors: {
  custom: {
    50: '#848aae',
    500: '#515c8d',
    950: '#000000',
  },
}

SCSS

$custom: #515c8d;
$custom-light: #848aae;
$custom-dark: #000000;

JSON

{
  "hex": "#515c8d",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 141
  },
  "hsl": {
    "h": 229,
    "s": 27.027,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48713,
    "c": 0.08001,
    "h": 273.4
  },
  "luminance": 0.11327
}

Semantic roles & 50–950 ramp

primary

#515C8D

secondary

#AFA98A

accent

#B264C3

background

#F8F8FA

surface

#EFF0F4

border

#CACBCE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #515C8D

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

Preview Lab → · Contrast checker → · Palette generator →