#515EC3#515EC3

#515EC3 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.157 H 274.2°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#515EC3
RGB	rgb(81, 94, 195)
HSL	hsl(233, 49%, 54%)
HSV	hsv(233, 58%, 76%)
CMYK	cmyk(58.5%, 51.8%, 0%, 23.5%)
CIE-LAB	lab(43.79, 25.33, -54.59)
CIE-LCH	lch(43.79, 60.18, 294.89°)
OKLab	oklab(52.52% 0.0114 -0.1562)
OKLCH	oklch(52.52% 0.157 274.2)
XYZ	xyz(17.2432, 13.6936, 53.3536)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EC3 #C3B651

analogous

#5197C3 #515EC3 #7D51C3

triadic

#515EC3 #C3515E #5EC351

tetradic

#515EC3 #C35197 #C3B651 #51C37D

square

#515EC3 #C35197 #C3B651 #51C37D

split-complementary

#515EC3 #C37D51 #97C351

monochromatic

#273072 #3743A0 #515EC3 #7F88D3 #ACB2E2

Accessibility & contrast

On white

5.62

#515EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#515EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EC3

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EC3	#FFFFFF	#000000	##FFFFFF
##515EC3	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#256DC7

Deuteranopia (green-blind)

#0763C1

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515ec3;
/* rgb */ color: rgb(81, 94, 195);
/* oklch */ color: oklch(52.5% 0.157 274.2);

Tailwind

colors: {
  custom: {
    50: '#8c8bd6',
    500: '#515ec3',
    950: '#000000',
  },
}

SCSS

$custom: #515ec3;
$custom-light: #8c8bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#515ec3",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 195
  },
  "hsl": {
    "h": 233.158,
    "s": 48.718,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52519,
    "c": 0.15667,
    "h": 274.2
  },
  "luminance": 0.13695
}

Semantic roles & 50–950 ramp

primary

#515EC3

secondary

#D0CBA0

accent

#C950D8

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #515EC3

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

Preview Lab → · Contrast checker → · Palette generator →