#515BD2#515BD2

#515BD2 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.1% C 0.181 H 274.8°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#515BD2
RGB	rgb(81, 91, 210)
HSL	hsl(235, 59%, 57%)
HSV	hsv(235, 61%, 82%)
CMYK	cmyk(61.4%, 56.7%, 0%, 17.6%)
CIE-LAB	lab(44.06, 32.24, -62.79)
CIE-LCH	lch(44.06, 70.58, 297.18°)
OKLab	oklab(53.05% 0.0151 -0.1804)
OKLCH	oklch(53.05% 0.181 274.8)
XYZ	xyz(18.7635, 13.8831, 62.6512)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BD2 #D2C851

analogous

#519CD2 #515BD2 #8851D2

triadic

#515BD2 #D2515B #5BD251

tetradic

#515BD2 #D2519C #D2C851 #51D288

square

#515BD2 #D2519C #D2C851 #51D288

split-complementary

#515BD2 #D28851 #9CD251

monochromatic

#232A86 #2F3AB7 #515BD2 #8289DF #B2B7EB

Accessibility & contrast

On white

5.56

#515BD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#515BD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BD2

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BD2	#FFFFFF	#000000	##FFFFFF
##515BD2	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED6

Deuteranopia (green-blind)

#0063D0

Tritanopia (blue-blind)

#00778E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515bd2;
/* rgb */ color: rgb(81, 91, 210);
/* oklch */ color: oklch(53.1% 0.181 274.8);

Tailwind

colors: {
  custom: {
    50: '#8e89e1',
    500: '#515bd2',
    950: '#000000',
  },
}

SCSS

$custom: #515bd2;
$custom-light: #8e89e1;
$custom-dark: #000000;

JSON

{
  "hex": "#515bd2",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 210
  },
  "hsl": {
    "h": 235.349,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53053,
    "c": 0.18104,
    "h": 274.8
  },
  "luminance": 0.13885
}

Semantic roles & 50–950 ramp

primary

#515BD2

secondary

#DAD6A5

accent

#D646E2

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515BD2

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

Preview Lab → · Contrast checker → · Palette generator →