#515FAC#515FAC

#515FAC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.122 H 273.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#515FAC
RGB	rgb(81, 95, 172)
HSL	hsl(231, 36%, 50%)
HSV	hsv(231, 53%, 67%)
CMYK	cmyk(52.9%, 44.8%, 0%, 32.5%)
CIE-LAB	lab(42.63, 17.07, -43.02)
CIE-LCH	lch(42.63, 46.28, 291.64°)
OKLab	oklab(51.18% 0.0076 -0.1222)
OKLCH	oklch(51.18% 0.122 273.6)
XYZ	xyz(14.9296, 12.9113, 40.7272)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FAC #AC9E51

analogous

#518DAC #515FAC #7151AC

triadic

#515FAC #AC515F #5FAC51

tetradic

#515FAC #AC518D #AC9E51 #51AC71

square

#515FAC #AC518D #AC9E51 #51AC71

split-complementary

#515FAC #AC7151 #8DAC51

monochromatic

#2A3159 #3D4882 #515FAC #7A85C0 #A3ABD4

Accessibility & contrast

On white

5.86

#515FAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#515FAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FAC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FAC	#FFFFFF	#000000	##FFFFFF
##515FAC	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E69AF

Deuteranopia (green-blind)

#3461AA

Tritanopia (blue-blind)

#28707D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515fac;
/* rgb */ color: rgb(81, 95, 172);
/* oklch */ color: oklch(51.2% 0.122 273.6);

Tailwind

colors: {
  custom: {
    50: '#888cc5',
    500: '#515fac',
    950: '#000000',
  },
}

SCSS

$custom: #515fac;
$custom-light: #888cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#515fac",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 172
  },
  "hsl": {
    "h": 230.769,
    "s": 35.968,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5118,
    "c": 0.12248,
    "h": 273.6
  },
  "luminance": 0.12912
}

Semantic roles & 50–950 ramp

primary

#515FAC

secondary

#C1BB98

accent

#BB5CCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #515FAC

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

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