#515AC7#515AC7

#515AC7 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.167 H 275.4°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#515AC7
RGB	rgb(81, 90, 199)
HSL	hsl(235, 51%, 55%)
HSV	hsv(235, 59%, 78%)
CMYK	cmyk(59.3%, 54.8%, 0%, 22%)
CIE-LAB	lab(43.04, 29.18, -58.12)
CIE-LCH	lch(43.04, 65.03, 296.66°)
OKLab	oklab(52.04% 0.0157 -0.1667)
OKLCH	oklch(52.04% 0.167 275.4)
XYZ	xyz(17.3550, 13.1839, 55.6520)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AC7 #C7BE51

analogous

#5195C7 #515AC7 #8351C7

triadic

#515AC7 #C7515A #5AC751

tetradic

#515AC7 #C75195 #C7BE51 #51C783

square

#515AC7 #C75195 #C7BE51 #51C783

split-complementary

#515AC7 #C78351 #95C751

monochromatic

#262D77 #353EA6 #515AC7 #7F86D6 #AEB2E5

Accessibility & contrast

On white

5.77

#515AC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#515AC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AC7

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AC7	#FFFFFF	#000000	##FFFFFF
##515AC7	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A6BCB

Deuteranopia (green-blind)

#0061C5

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #515ac7;
/* rgb */ color: rgb(81, 90, 199);
/* oklch */ color: oklch(52.0% 0.167 275.4);

Tailwind

colors: {
  custom: {
    50: '#8c88d9',
    500: '#515ac7',
    950: '#000000',
  },
}

SCSS

$custom: #515ac7;
$custom-light: #8c88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#515ac7",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 199
  },
  "hsl": {
    "h": 235.424,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52041,
    "c": 0.16741,
    "h": 275.4
  },
  "luminance": 0.13185
}

Semantic roles & 50–950 ramp

primary

#515AC7

secondary

#D3CFA1

accent

#D04DDB

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515AC7

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

Preview Lab → · Contrast checker → · Palette generator →