#515AD2#515AD2

#515AD2 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.9% C 0.182 H 275.0°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#515AD2
RGB	rgb(81, 90, 210)
HSL	hsl(236, 59%, 57%)
HSV	hsv(236, 61%, 82%)
CMYK	cmyk(61.4%, 57.1%, 0%, 17.6%)
CIE-LAB	lab(43.82, 32.86, -63.19)
CIE-LCH	lch(43.82, 71.22, 297.47°)
OKLab	oklab(52.87% 0.016 -0.1816)
OKLCH	oklch(52.87% 0.182 275)
XYZ	xyz(18.6786, 13.7133, 62.6229)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AD2 #D2C951

analogous

#519BD2 #515AD2 #8951D2

triadic

#515AD2 #D2515A #5AD251

tetradic

#515AD2 #D2519B #D2C951 #51D289

square

#515AD2 #D2519B #D2C951 #51D289

split-complementary

#515AD2 #D28951 #9BD251

monochromatic

#232A86 #2F39B7 #515AD2 #8288DF #B2B6EB

Accessibility & contrast

On white

5.61

#515AD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#515AD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AD2

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AD2	#FFFFFF	#000000	##FFFFFF
##515AD2	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD6

Deuteranopia (green-blind)

#0062D0

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515ad2;
/* rgb */ color: rgb(81, 90, 210);
/* oklch */ color: oklch(52.9% 0.182 275.0);

Tailwind

colors: {
  custom: {
    50: '#8e88e1',
    500: '#515ad2',
    950: '#000000',
  },
}

SCSS

$custom: #515ad2;
$custom-light: #8e88e1;
$custom-dark: #000000;

JSON

{
  "hex": "#515ad2",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 210
  },
  "hsl": {
    "h": 235.814,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.5287,
    "c": 0.18229,
    "h": 275
  },
  "luminance": 0.13715
}

Semantic roles & 50–950 ramp

primary

#515AD2

secondary

#DAD6A5

accent

#D746E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515AD2

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

Preview Lab → · Contrast checker → · Palette generator →