#515CC5#515CC5

#515CC5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.3% C 0.162 H 274.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#515CC5
RGB	rgb(81, 92, 197)
HSL	hsl(234, 50%, 55%)
HSV	hsv(234, 59%, 77%)
CMYK	cmyk(58.9%, 53.3%, 0%, 22.7%)
CIE-LAB	lab(43.41, 27.26, -56.36)
CIE-LCH	lch(43.41, 62.61, 295.81°)
OKLab	oklab(52.28% 0.0136 -0.1615)
OKLCH	oklch(52.28% 0.162 274.8)
XYZ	xyz(17.2952, 13.4335, 54.4940)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CC5 #C5BA51

analogous

#5196C5 #515CC5 #8051C5

triadic

#515CC5 #C5515C #5CC551

tetradic

#515CC5 #C55196 #C5BA51 #51C580

square

#515CC5 #C55196 #C5BA51 #51C580

split-complementary

#515CC5 #C58051 #96C551

monochromatic

#272E75 #3640A3 #515CC5 #7F87D4 #ADB2E4

Accessibility & contrast

On white

5.70

#515CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#515CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CC5

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CC5	#FFFFFF	#000000	##FFFFFF
##515CC5	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)

#1B6CC9

Deuteranopia (green-blind)

#0062C3

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515cc5;
/* rgb */ color: rgb(81, 92, 197);
/* oklch */ color: oklch(52.3% 0.162 274.8);

Tailwind

colors: {
  custom: {
    50: '#8c8ad7',
    500: '#515cc5',
    950: '#000000',
  },
}

SCSS

$custom: #515cc5;
$custom-light: #8c8ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#515cc5",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 197
  },
  "hsl": {
    "h": 234.31,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52275,
    "c": 0.16206,
    "h": 274.8
  },
  "luminance": 0.13435
}

Semantic roles & 50–950 ramp

primary

#515CC5

secondary

#D1CDA0

accent

#CC4EDA

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515CC5

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

Preview Lab → · Contrast checker → · Palette generator →