#515DBF#515DBF

#515DBF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.152 H 274.6°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#515DBF
RGB	rgb(81, 93, 191)
HSL	hsl(233, 46%, 53%)
HSV	hsv(233, 58%, 75%)
CMYK	cmyk(57.6%, 51.3%, 0%, 25.1%)
CIE-LAB	lab(43.27, 24.63, -53.11)
CIE-LCH	lch(43.27, 58.54, 294.88°)
OKLab	oklab(52.04% 0.0122 -0.1519)
OKLCH	oklch(52.04% 0.152 274.6)
XYZ	xyz(16.7086, 13.3384, 50.9742)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DBF #BFB351

analogous

#5194BF #515DBF #7C51BF

triadic

#515DBF #BF515D #5DBF51

tetradic

#515DBF #BF5194 #BFB351 #51BF7C

square

#515DBF #BF5194 #BFB351 #51BF7C

split-complementary

#515DBF #BF7C51 #94BF51

monochromatic

#28306D #39439A #515DBF #7E87CF #AAB0E0

Accessibility & contrast

On white

5.73

#515DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#515DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DBF

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DBF	#FFFFFF	#000000	##FFFFFF
##515DBF	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286BC2

Deuteranopia (green-blind)

#1162BD

Tritanopia (blue-blind)

#067385

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #515dbf;
/* rgb */ color: rgb(81, 93, 191);
/* oklch */ color: oklch(52.0% 0.152 274.6);

Tailwind

colors: {
  custom: {
    50: '#8b8ad3',
    500: '#515dbf',
    950: '#000000',
  },
}

SCSS

$custom: #515dbf;
$custom-light: #8b8ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#515dbf",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 191
  },
  "hsl": {
    "h": 233.455,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.52042,
    "c": 0.1524,
    "h": 274.6
  },
  "luminance": 0.1334
}

Semantic roles & 50–950 ramp

primary

#515DBF

secondary

#CEC89E

accent

#C752D6

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515DBF

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

Preview Lab → · Contrast checker → · Palette generator →