#3129AB#3129AB

#3129AB is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.2% C 0.196 H 275.2°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#3129AB
RGB	rgb(49, 41, 171)
HSL	hsl(244, 61%, 42%)
HSV	hsv(244, 76%, 67%)
CMYK	cmyk(71.3%, 76%, 0%, 32.9%)
CIE-LAB	lab(27.24, 44.92, -67.52)
CIE-LCH	lch(27.24, 81.10, 303.64°)
OKLab	oklab(39.22% 0.0176 -0.1952)
OKLCH	oklch(39.22% 0.196 275.2)
XYZ	xyz(9.4078, 5.1782, 39.0239)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129AB #A3AB29

analogous

#2962AB #3129AB #7229AB

triadic

#3129AB #AB3129 #29AB31

tetradic

#3129AB #AB2962 #A3AB29 #29AB72

square

#3129AB #AB2962 #A3AB29 #29AB72

split-complementary

#3129AB #AB7229 #62AB29

monochromatic

#151148 #231D7A #3129AB #4940D1 #7871DD

Accessibility & contrast

On white

10.32

#3129AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3129AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129AB

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129AB	#FFFFFF	#000000	##FFFFFF
##3129AB	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003AA9

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3129ab;
/* rgb */ color: rgb(49, 41, 171);
/* oklch */ color: oklch(39.2% 0.196 275.2);

Tailwind

colors: {
  custom: {
    50: '#7c65c5',
    500: '#3129ab',
    950: '#000000',
  },
}

SCSS

$custom: #3129ab;
$custom-light: #7c65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3129ab",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 171
  },
  "hsl": {
    "h": 243.692,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39216,
    "c": 0.19602,
    "h": 275.2
  },
  "luminance": 0.05179
}

Semantic roles & 50–950 ramp

primary

#3129AB

secondary

#BFC46C

accent

#E443DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3129AB

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

Preview Lab → · Contrast checker → · Palette generator →