#3128C6#3128C6

#3128C6 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 42.0% C 0.229 H 273.0°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#3128C6
RGB	rgb(49, 40, 198)
HSL	hsl(243, 66%, 47%)
HSV	hsv(243, 80%, 78%)
CMYK	cmyk(75.3%, 79.8%, 0%, 22.4%)
CIE-LAB	lab(30.03, 53.93, -78.93)
CIE-LCH	lch(30.03, 95.60, 304.34°)
OKLab	oklab(42.04% 0.0119 -0.2284)
OKLCH	oklch(42.04% 0.229 273)
XYZ	xyz(12.2150, 6.2465, 53.9771)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128C6 #BDC628

analogous

#286EC6 #3128C6 #8028C6

triadic

#3128C6 #C63128 #28C631

tetradic

#3128C6 #C6286E #BDC628 #28C680

square

#3128C6 #C6286E #BDC628 #28C680

split-complementary

#3128C6 #C68028 #6EC628

monochromatic

#181360 #241E93 #3128C6 #5850DC #8883E6

Accessibility & contrast

On white

9.33

#3128C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3128C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128C6

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128C6	#FFFFFF	#000000	##FFFFFF
##3128C6	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ECA

Deuteranopia (green-blind)

#003FC3

Tritanopia (blue-blind)

#005978

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3128c6;
/* rgb */ color: rgb(49, 40, 198);
/* oklch */ color: oklch(42.0% 0.229 273.0);

Tailwind

colors: {
  custom: {
    50: '#8266d9',
    500: '#3128c6',
    950: '#000000',
  },
}

SCSS

$custom: #3128c6;
$custom-light: #8266d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3128c6",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 198
  },
  "hsl": {
    "h": 243.418,
    "s": 66.387,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42042,
    "c": 0.22869,
    "h": 273
  },
  "luminance": 0.06248
}

Semantic roles & 50–950 ramp

primary

#3128C6

secondary

#CACF7B

accent

#E93EE0

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #3128C6

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

Preview Lab → · Contrast checker → · Palette generator →