#515C8A#515C8A

#515C8A is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.6% C 0.075 H 273.0°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#515C8A
RGB	rgb(81, 92, 138)
HSL	hsl(228, 26%, 43%)
HSV	hsv(228, 41%, 54%)
CMYK	cmyk(41.3%, 33.3%, 0%, 45.9%)
CIE-LAB	lab(39.98, 8.19, -26.90)
CIE-LCH	lch(39.98, 28.12, 286.93°)
OKLab	oklab(48.55% 0.004 -0.0753)
OKLCH	oklch(48.55% 0.075 273)
XYZ	xyz(11.8066, 11.2381, 25.5869)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515C8A #8A7F51

analogous

#51788A #515C8A #62518A

triadic

#515C8A #8A515C #5C8A51

tetradic

#515C8A #8A5178 #8A7F51 #518A62

square

#515C8A #8A5178 #8A7F51 #518A62

split-complementary

#515C8A #8A6251 #788A51

monochromatic

#24293D #3A4263 #515C8A #6E7AAA #959DC1

Accessibility & contrast

On white

6.47

#515C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#515C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515C8A

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515C8A	#FFFFFF	#000000	##FFFFFF
##515C8A	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C618C

Deuteranopia (green-blind)

#485C89

Tritanopia (blue-blind)

#3F656D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #515c8a;
/* rgb */ color: rgb(81, 92, 138);
/* oklch */ color: oklch(48.6% 0.075 273.0);

Tailwind

colors: {
  custom: {
    50: '#848aac',
    500: '#515c8a',
    950: '#000000',
  },
}

SCSS

$custom: #515c8a;
$custom-light: #848aac;
$custom-dark: #000000;

JSON

{
  "hex": "#515c8a",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 138
  },
  "hsl": {
    "h": 228.421,
    "s": 26.027,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48552,
    "c": 0.07539,
    "h": 273
  },
  "luminance": 0.11239
}

Semantic roles & 50–950 ramp

primary

#515C8A

secondary

#AEA789

accent

#B065C2

background

#F8F8FA

surface

#EFF0F4

border

#CACBCE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #515C8A

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

Preview Lab → · Contrast checker → · Palette generator →