#515DC1#515DC1

#515DC1 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.155 H 274.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#515DC1
RGB	rgb(81, 93, 193)
HSL	hsl(234, 47%, 54%)
HSV	hsv(234, 58%, 76%)
CMYK	cmyk(58%, 51.8%, 0%, 24.3%)
CIE-LAB	lab(43.40, 25.29, -54.06)
CIE-LCH	lch(43.40, 59.68, 295.07°)
OKLab	oklab(52.18% 0.0123 -0.1547)
OKLCH	oklch(52.18% 0.155 274.6)
XYZ	xyz(16.9302, 13.4270, 52.1413)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DC1 #C1B551

analogous

#5195C1 #515DC1 #7D51C1

triadic

#515DC1 #C1515D #5DC151

tetradic

#515DC1 #C15195 #C1B551 #51C17D

square

#515DC1 #C15195 #C1B551 #51C17D

split-complementary

#515DC1 #C17D51 #95C151

monochromatic

#283070 #38439D #515DC1 #7E87D1 #ABB1E1

Accessibility & contrast

On white

5.70

#515DC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#515DC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DC1

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DC1	#FFFFFF	#000000	##FFFFFF
##515DC1	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#256BC5

Deuteranopia (green-blind)

#0962BF

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515dc1;
/* rgb */ color: rgb(81, 93, 193);
/* oklch */ color: oklch(52.2% 0.155 274.6);

Tailwind

colors: {
  custom: {
    50: '#8b8ad4',
    500: '#515dc1',
    950: '#000000',
  },
}

SCSS

$custom: #515dc1;
$custom-light: #8b8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#515dc1",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 193
  },
  "hsl": {
    "h": 233.571,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.52183,
    "c": 0.15519,
    "h": 274.6
  },
  "luminance": 0.13428
}

Semantic roles & 50–950 ramp

primary

#515DC1

secondary

#CFCA9F

accent

#C951D7

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515DC1

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

Preview Lab → · Contrast checker → · Palette generator →