#3129A4#3129A4

#3129A4 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.5% C 0.187 H 275.8°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#3129A4
RGB	rgb(49, 41, 164)
HSL	hsl(244, 60%, 40%)
HSV	hsv(244, 75%, 64%)
CMYK	cmyk(70.1%, 75%, 0%, 35.7%)
CIE-LAB	lab(26.50, 42.64, -64.51)
CIE-LCH	lch(26.50, 77.33, 303.47°)
OKLab	oklab(38.48% 0.0191 -0.1865)
OKLCH	oklch(38.48% 0.187 275.8)
XYZ	xyz(8.7582, 4.9184, 35.6025)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129A4 #9CA429

analogous

#295FA4 #3129A4 #6E29A4

triadic

#3129A4 #A43129 #29A431

tetradic

#3129A4 #A4295F #9CA429 #29A46E

square

#3129A4 #A4295F #9CA429 #29A46E

split-complementary

#3129A4 #A46E29 #5FA429

monochromatic

#141142 #221D73 #3129A4 #453CCE #746DDA

Accessibility & contrast

On white

10.59

#3129A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3129A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129A4

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129A4	#FFFFFF	#000000	##FFFFFF
##3129A4	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A8

Deuteranopia (green-blind)

#0039A2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3129a4;
/* rgb */ color: rgb(49, 41, 164);
/* oklch */ color: oklch(38.5% 0.187 275.8);

Tailwind

colors: {
  custom: {
    50: '#7a65c0',
    500: '#3129a4',
    950: '#000000',
  },
}

SCSS

$custom: #3129a4;
$custom-light: #7a65c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3129a4",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 164
  },
  "hsl": {
    "h": 243.902,
    "s": 60,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38477,
    "c": 0.18745,
    "h": 275.8
  },
  "luminance": 0.04919
}

Semantic roles & 50–950 ramp

primary

#3129A4

secondary

#BBC168

accent

#E345D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3129A4

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

Preview Lab → · Contrast checker → · Palette generator →