#3128CD#3128CD

#3128CD is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.8% C 0.237 H 272.5°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3128CD
RGB	rgb(49, 40, 205)
HSL	hsl(243, 67%, 48%)
HSV	hsv(243, 80%, 80%)
CMYK	cmyk(76.1%, 80.5%, 0%, 19.6%)
CIE-LAB	lab(30.82, 56.06, -81.70)
CIE-LCH	lch(30.82, 99.08, 304.46°)
OKLab	oklab(42.83% 0.0103 -0.2364)
OKLCH	oklch(42.83% 0.237 272.5)
XYZ	xyz(13.0412, 6.5769, 58.3279)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128CD #C4CD28

analogous

#2871CD #3128CD #8428CD

triadic

#3128CD #CD3128 #28CD31

tetradic

#3128CD #CD2871 #C4CD28 #28CD84

square

#3128CD #CD2871 #C4CD28 #28CD84

split-complementary

#3128CD #CD8428 #71CD28

monochromatic

#191467 #251E9A #3128CD #5C54DE #8D88E8

Accessibility & contrast

On white

9.07

#3128CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3128CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128CD

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128CD	#FFFFFF	#000000	##FFFFFF
##3128CD	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050D2

Deuteranopia (green-blind)

#0040CA

Tritanopia (blue-blind)

#005C7C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3128cd;
/* rgb */ color: rgb(49, 40, 205);
/* oklch */ color: oklch(42.8% 0.237 272.5);

Tailwind

colors: {
  custom: {
    50: '#8467de',
    500: '#3128cd',
    950: '#000000',
  },
}

SCSS

$custom: #3128cd;
$custom-light: #8467de;
$custom-dark: #000000;

JSON

{
  "hex": "#3128cd",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 205
  },
  "hsl": {
    "h": 243.273,
    "s": 67.347,
    "l": 48.039
  },
  "oklch": {
    "l": 0.42827,
    "c": 0.23662,
    "h": 272.5
  },
  "luminance": 0.06578
}

Semantic roles & 50–950 ramp

primary

#3128CD

secondary

#CDD180

accent

#EA3EE1

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3128CD

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

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