#515EC1#515EC1

#515EC1 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.4% C 0.154 H 274.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#515EC1
RGB	rgb(81, 94, 193)
HSL	hsl(233, 47%, 54%)
HSV	hsv(233, 58%, 76%)
CMYK	cmyk(58%, 51.3%, 0%, 24.3%)
CIE-LAB	lab(43.66, 24.66, -53.64)
CIE-LCH	lch(43.66, 59.04, 294.69°)
OKLab	oklab(52.38% 0.0113 -0.1535)
OKLCH	oklch(52.38% 0.154 274.2)
XYZ	xyz(17.0185, 13.6037, 52.1707)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EC1 #C1B451

analogous

#5196C1 #515EC1 #7C51C1

triadic

#515EC1 #C1515E #5EC151

tetradic

#515EC1 #C15196 #C1B451 #51C17C

square

#515EC1 #C15196 #C1B451 #51C17C

split-complementary

#515EC1 #C17C51 #96C151

monochromatic

#283070 #38449D #515EC1 #7E88D1 #ABB1E1

Accessibility & contrast

On white

5.64

#515EC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#515EC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EC1

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EC1	#FFFFFF	#000000	##FFFFFF
##515EC1	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286CC5

Deuteranopia (green-blind)

#1063BF

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515ec1;
/* rgb */ color: rgb(81, 94, 193);
/* oklch */ color: oklch(52.4% 0.154 274.2);

Tailwind

colors: {
  custom: {
    50: '#8b8bd4',
    500: '#515ec1',
    950: '#000000',
  },
}

SCSS

$custom: #515ec1;
$custom-light: #8b8bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#515ec1",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 193
  },
  "hsl": {
    "h": 233.036,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.52378,
    "c": 0.15387,
    "h": 274.2
  },
  "luminance": 0.13605
}

Semantic roles & 50–950 ramp

primary

#515EC1

secondary

#CFC99F

accent

#C751D7

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #515EC1

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

Preview Lab → · Contrast checker → · Palette generator →