#515DCA#515DCA

#515DCA is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.8% C 0.168 H 274.4°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#515DCA
RGB	rgb(81, 93, 202)
HSL	hsl(234, 53%, 55%)
HSV	hsv(234, 60%, 79%)
CMYK	cmyk(59.9%, 54%, 0%, 20.8%)
CIE-LAB	lab(44.00, 28.31, -58.29)
CIE-LCH	lch(44.00, 64.80, 295.90°)
OKLab	oklab(52.83% 0.0129 -0.1671)
OKLCH	oklch(52.83% 0.168 274.4)
XYZ	xyz(17.9649, 13.8409, 57.5905)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DCA #CABE51

analogous

#5199CA #515DCA #8251CA

triadic

#515DCA #CA515D #5DCA51

tetradic

#515DCA #CA5199 #CABE51 #51CA82

square

#515DCA #CA5199 #CABE51 #51CA82

split-complementary

#515DCA #CA8251 #99CA51

monochromatic

#252E7B #3440AA #515DCA #8089D8 #AFB4E7

Accessibility & contrast

On white

5.57

#515DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#515DCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DCA

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DCA	#FFFFFF	#000000	##FFFFFF
##515DCA	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#136DCE

Deuteranopia (green-blind)

#0063C8

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515dca;
/* rgb */ color: rgb(81, 93, 202);
/* oklch */ color: oklch(52.8% 0.168 274.4);

Tailwind

colors: {
  custom: {
    50: '#8d8adb',
    500: '#515dca',
    950: '#000000',
  },
}

SCSS

$custom: #515dca;
$custom-light: #8d8adb;
$custom-dark: #000000;

JSON

{
  "hex": "#515dca",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 202
  },
  "hsl": {
    "h": 234.05,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52829,
    "c": 0.16765,
    "h": 274.4
  },
  "luminance": 0.13842
}

Semantic roles & 50–950 ramp

primary

#515DCA

secondary

#D5D0A2

accent

#CE4BDD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515DCA

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

Preview Lab → · Contrast checker → · Palette generator →