#515EC6#515EC6

#515EC6 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.161 H 274.2°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#515EC6
RGB	rgb(81, 94, 198)
HSL	hsl(233, 51%, 55%)
HSV	hsv(233, 59%, 78%)
CMYK	cmyk(59.1%, 52.5%, 0%, 22.4%)
CIE-LAB	lab(43.99, 26.34, -56.00)
CIE-LCH	lch(43.99, 61.89, 295.19°)
OKLab	oklab(52.73% 0.0117 -0.1604)
OKLCH	oklch(52.73% 0.161 274.2)
XYZ	xyz(17.5858, 13.8306, 55.1580)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EC6 #C6B951

analogous

#5199C6 #515EC6 #7E51C6

triadic

#515EC6 #C6515E #5EC651

tetradic

#515EC6 #C65199 #C6B951 #51C67E

square

#515EC6 #C65199 #C6B951 #51C67E

split-complementary

#515EC6 #C67E51 #99C651

monochromatic

#272F76 #3642A4 #515EC6 #7F89D5 #ADB3E4

Accessibility & contrast

On white

5.58

#515EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#515EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EC6

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EC6	#FFFFFF	#000000	##FFFFFF
##515EC6	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206DCA

Deuteranopia (green-blind)

#0063C4

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515ec6;
/* rgb */ color: rgb(81, 94, 198);
/* oklch */ color: oklch(52.7% 0.161 274.2);

Tailwind

colors: {
  custom: {
    50: '#8c8bd8',
    500: '#515ec6',
    950: '#000000',
  },
}

SCSS

$custom: #515ec6;
$custom-light: #8c8bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#515ec6",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 198
  },
  "hsl": {
    "h": 233.333,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52732,
    "c": 0.16083,
    "h": 274.2
  },
  "luminance": 0.13832
}

Semantic roles & 50–950 ramp

primary

#515EC6

secondary

#D2CDA1

accent

#CB4EDA

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #515EC6

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

Preview Lab → · Contrast checker → · Palette generator →