#515CD9#515CD9

#515CD9 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.8% C 0.189 H 274.3°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#515CD9
RGB	rgb(81, 92, 217)
HSL	hsl(235, 64%, 58%)
HSV	hsv(235, 63%, 85%)
CMYK	cmyk(62.7%, 57.6%, 0%, 14.9%)
CIE-LAB	lab(44.82, 33.96, -65.57)
CIE-LCH	lch(44.82, 73.84, 297.38°)
OKLab	oklab(53.77% 0.0142 -0.1886)
OKLCH	oklch(53.77% 0.189 274.3)
XYZ	xyz(19.7407, 14.4117, 67.3736)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CD9 #D9CE51

analogous

#51A0D9 #515CD9 #8A51D9

triadic

#515CD9 #D9515C #5CD951

tetradic

#515CD9 #D951A0 #D9CE51 #51D98A

square

#515CD9 #D951A0 #D9CE51 #51D98A

split-complementary

#515CD9 #D98A51 #A0D951

monochromatic

#1F2990 #2A37C2 #515CD9 #838BE4 #B5BAEF

Accessibility & contrast

On white

5.41

#515CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#515CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CD9

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CD9	#FFFFFF	#000000	##FFFFFF
##515CD9	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DD

Deuteranopia (green-blind)

#0064D6

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515cd9;
/* rgb */ color: rgb(81, 92, 217);
/* oklch */ color: oklch(53.8% 0.189 274.3);

Tailwind

colors: {
  custom: {
    50: '#8f8ae6',
    500: '#515cd9',
    950: '#000000',
  },
}

SCSS

$custom: #515cd9;
$custom-light: #8f8ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#515cd9",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 217
  },
  "hsl": {
    "h": 235.147,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.53773,
    "c": 0.18911,
    "h": 274.3
  },
  "luminance": 0.14413
}

Semantic roles & 50–950 ramp

primary

#515CD9

secondary

#DEDAA8

accent

#DA41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515CD9

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

Preview Lab → · Contrast checker → · Palette generator →