#515AC8#515AC8

#515AC8 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.1% C 0.169 H 275.4°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#515AC8
RGB	rgb(81, 90, 200)
HSL	hsl(235, 52%, 55%)
HSV	hsv(235, 60%, 78%)
CMYK	cmyk(59.5%, 55%, 0%, 21.6%)
CIE-LAB	lab(43.11, 29.52, -58.58)
CIE-LCH	lch(43.11, 65.60, 296.74°)
OKLab	oklab(52.12% 0.0158 -0.168)
OKLCH	oklch(52.12% 0.169 275.4)
XYZ	xyz(17.4714, 13.2305, 56.2654)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AC8 #C8BF51

analogous

#5196C8 #515AC8 #8351C8

triadic

#515AC8 #C8515A #5AC851

tetradic

#515AC8 #C85196 #C8BF51 #51C883

square

#515AC8 #C85196 #C8BF51 #51C883

split-complementary

#515AC8 #C88351 #96C851

monochromatic

#262C79 #353DA7 #515AC8 #8086D7 #AEB2E5

Accessibility & contrast

On white

5.76

#515AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#515AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AC8

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AC8	#FFFFFF	#000000	##FFFFFF
##515AC8	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066BCC

Deuteranopia (green-blind)

#0061C6

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #515ac8;
/* rgb */ color: rgb(81, 90, 200);
/* oklch */ color: oklch(52.1% 0.169 275.4);

Tailwind

colors: {
  custom: {
    50: '#8d88d9',
    500: '#515ac8',
    950: '#000000',
  },
}

SCSS

$custom: #515ac8;
$custom-light: #8d88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#515ac8",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 200
  },
  "hsl": {
    "h": 235.462,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52115,
    "c": 0.16878,
    "h": 275.4
  },
  "luminance": 0.13232
}

Semantic roles & 50–950 ramp

primary

#515AC8

secondary

#D3D0A1

accent

#D14CDB

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515AC8

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

Preview Lab → · Contrast checker → · Palette generator →