#3128C5#3128C5

#3128C5 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.9% C 0.228 H 273.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#3128C5
RGB	rgb(49, 40, 197)
HSL	hsl(243, 66%, 46%)
HSV	hsv(243, 80%, 77%)
CMYK	cmyk(75.1%, 79.7%, 0%, 22.7%)
CIE-LAB	lab(29.91, 53.63, -78.53)
CIE-LCH	lch(29.91, 95.10, 304.33°)
OKLab	oklab(41.93% 0.0121 -0.2272)
OKLCH	oklch(41.93% 0.228 273.1)
XYZ	xyz(12.1001, 6.2005, 53.3716)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128C5 #BCC528

analogous

#286EC5 #3128C5 #7F28C5

triadic

#3128C5 #C53128 #28C531

tetradic

#3128C5 #C5286E #BCC528 #28C57F

square

#3128C5 #C5286E #BCC528 #28C57F

split-complementary

#3128C5 #C57F28 #6EC528

monochromatic

#18135F #241E92 #3128C5 #574FDB #8882E6

Accessibility & contrast

On white

9.37

#3128C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3128C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128C5

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128C5	#FFFFFF	#000000	##FFFFFF
##3128C5	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC9

Deuteranopia (green-blind)

#003FC2

Tritanopia (blue-blind)

#005977

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3128c5;
/* rgb */ color: rgb(49, 40, 197);
/* oklch */ color: oklch(41.9% 0.228 273.1);

Tailwind

colors: {
  custom: {
    50: '#8266d8',
    500: '#3128c5',
    950: '#000000',
  },
}

SCSS

$custom: #3128c5;
$custom-light: #8266d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3128c5",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 197
  },
  "hsl": {
    "h": 243.439,
    "s": 66.245,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4193,
    "c": 0.22754,
    "h": 273.1
  },
  "luminance": 0.06202
}

Semantic roles & 50–950 ramp

primary

#3128C5

secondary

#CACE7A

accent

#E93FDF

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #3128C5

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

Preview Lab → · Contrast checker → · Palette generator →