#3128AA#3128AA

#3128AA is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.0% C 0.196 H 275.4°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#3128AA
RGB	rgb(49, 40, 170)
HSL	hsl(244, 62%, 41%)
HSV	hsv(244, 76%, 67%)
CMYK	cmyk(71.2%, 76.5%, 0%, 33.3%)
CIE-LAB	lab(26.94, 45.14, -67.41)
CIE-LCH	lch(26.94, 81.13, 303.81°)
OKLab	oklab(38.98% 0.0183 -0.1949)
OKLCH	oklch(38.98% 0.196 275.4)
XYZ	xyz(9.2787, 5.0719, 38.5124)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128AA #A1AA28

analogous

#2860AA #3128AA #7228AA

triadic

#3128AA #AA3128 #28AA31

tetradic

#3128AA #AA2860 #A1AA28 #28AA72

square

#3128AA #AA2860 #A1AA28 #28AA72

split-complementary

#3128AA #AA7228 #60AA28

monochromatic

#141147 #231C78 #3128AA #483ED2 #776FDD

Accessibility & contrast

On white

10.42

#3128AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3128AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128AA

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128AA	#FFFFFF	#000000	##FFFFFF
##3128AA	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AE

Deuteranopia (green-blind)

#003AA8

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3128aa;
/* rgb */ color: rgb(49, 40, 170);
/* oklch */ color: oklch(39.0% 0.196 275.4);

Tailwind

colors: {
  custom: {
    50: '#7c64c5',
    500: '#3128aa',
    950: '#000000',
  },
}

SCSS

$custom: #3128aa;
$custom-light: #7c64c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3128aa",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 170
  },
  "hsl": {
    "h": 244.154,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.38975,
    "c": 0.19577,
    "h": 275.4
  },
  "luminance": 0.05073
}

Semantic roles & 50–950 ramp

primary

#3128AA

secondary

#BEC46A

accent

#E543DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3128AA

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

Preview Lab → · Contrast checker → · Palette generator →