#3128AF#3128AF

#3128AF is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.5% C 0.202 H 274.9°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#3128AF
RGB	rgb(49, 40, 175)
HSL	hsl(244, 63%, 42%)
HSV	hsv(244, 77%, 69%)
CMYK	cmyk(72%, 77.1%, 0%, 31.4%)
CIE-LAB	lab(27.48, 46.75, -69.52)
CIE-LCH	lch(27.48, 83.78, 303.92°)
OKLab	oklab(39.51% 0.0172 -0.2011)
OKLCH	oklch(39.51% 0.202 274.9)
XYZ	xyz(9.7607, 5.2647, 41.0509)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128AF #A6AF28

analogous

#2863AF #3128AF #7528AF

triadic

#3128AF #AF3128 #28AF31

tetradic

#3128AF #AF2863 #A6AF28 #28AF75

square

#3128AF #AF2863 #A6AF28 #28AF75

split-complementary

#3128AF #AF7528 #63AF28

monochromatic

#15114B #231D7D #3128AF #4A41D4 #7A73DF

Accessibility & contrast

On white

10.23

#3128AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3128AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128AF

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128AF	#FFFFFF	#000000	##FFFFFF
##3128AF	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B3

Deuteranopia (green-blind)

#003BAD

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3128af;
/* rgb */ color: rgb(49, 40, 175);
/* oklch */ color: oklch(39.5% 0.202 274.9);

Tailwind

colors: {
  custom: {
    50: '#7d65c8',
    500: '#3128af',
    950: '#000000',
  },
}

SCSS

$custom: #3128af;
$custom-light: #7d65c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3128af",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 175
  },
  "hsl": {
    "h": 244,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39512,
    "c": 0.2018,
    "h": 274.9
  },
  "luminance": 0.05266
}

Semantic roles & 50–950 ramp

primary

#3128AF

secondary

#C0C66D

accent

#E642DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3128AF

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

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