#515DA4#515DA4

#515DA4 is a mid, moderate blue. Relative luminance 0.123; OKLCH L 50.3% C 0.113 H 274.4°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#515DA4
RGB	rgb(81, 93, 164)
HSL	hsl(231, 34%, 48%)
HSV	hsv(231, 51%, 64%)
CMYK	cmyk(50.6%, 43.3%, 0%, 35.7%)
CIE-LAB	lab(41.62, 15.73, -39.89)
CIE-LCH	lch(41.62, 42.88, 291.51°)
OKLab	oklab(50.26% 0.0086 -0.1131)
OKLCH	oklch(50.26% 0.113 274.4)
XYZ	xyz(14.0064, 12.2575, 36.7426)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DA4 #A49851

analogous

#5186A4 #515DA4 #6E51A4

triadic

#515DA4 #A4515D #5DA451

tetradic

#515DA4 #A45186 #A49851 #51A46E

square

#515DA4 #A45186 #A49851 #51A46E

split-complementary

#515DA4 #A46E51 #86A451

monochromatic

#292F52 #3D467B #515DA4 #7781BC #A0A7D0

Accessibility & contrast

On white

6.08

#515DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#515DA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DA4

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DA4	#FFFFFF	#000000	##FFFFFF
##515DA4	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4066A7

Deuteranopia (green-blind)

#385FA2

Tritanopia (blue-blind)

#2F6C78

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #515da4;
/* rgb */ color: rgb(81, 93, 164);
/* oklch */ color: oklch(50.3% 0.113 274.4);

Tailwind

colors: {
  custom: {
    50: '#878abf',
    500: '#515da4',
    950: '#000000',
  },
}

SCSS

$custom: #515da4;
$custom-light: #878abf;
$custom-dark: #000000;

JSON

{
  "hex": "#515da4",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 164
  },
  "hsl": {
    "h": 231.325,
    "s": 33.878,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50262,
    "c": 0.11342,
    "h": 274.4
  },
  "luminance": 0.12258
}

Semantic roles & 50–950 ramp

primary

#515DA4

secondary

#BDB794

accent

#BA5ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #515DA4

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

Preview Lab → · Contrast checker → · Palette generator →