#3129C5#3129C5

#3129C5 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.0% C 0.227 H 273.0°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#3129C5
RGB	rgb(49, 41, 197)
HSL	hsl(243, 66%, 47%)
HSV	hsv(243, 79%, 77%)
CMYK	cmyk(75.1%, 79.2%, 0%, 22.7%)
CIE-LAB	lab(30.08, 53.14, -78.25)
CIE-LCH	lch(30.08, 94.59, 304.18°)
OKLab	oklab(42.05% 0.0118 -0.2264)
OKLCH	oklch(42.05% 0.227 273)
XYZ	xyz(12.1342, 6.2688, 53.3830)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129C5 #BDC529

analogous

#296FC5 #3129C5 #7F29C5

triadic

#3129C5 #C53129 #29C531

tetradic

#3129C5 #C5296F #BDC529 #29C57F

square

#3129C5 #C5296F #BDC529 #29C57F

split-complementary

#3129C5 #C57F29 #6FC529

monochromatic

#181460 #241E92 #3129C5 #5851DB #8883E5

Accessibility & contrast

On white

9.32

#3129C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3129C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129C5

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129C5	#FFFFFF	#000000	##FFFFFF
##3129C5	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC9

Deuteranopia (green-blind)

#003FC2

Tritanopia (blue-blind)

#005977

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3129c5;
/* rgb */ color: rgb(49, 41, 197);
/* oklch */ color: oklch(42.0% 0.227 273.0);

Tailwind

colors: {
  custom: {
    50: '#8267d8',
    500: '#3129c5',
    950: '#000000',
  },
}

SCSS

$custom: #3129c5;
$custom-light: #8267d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3129c5",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 197
  },
  "hsl": {
    "h": 243.077,
    "s": 65.546,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42047,
    "c": 0.22674,
    "h": 273
  },
  "luminance": 0.0627
}

Semantic roles & 50–950 ramp

primary

#3129C5

secondary

#CACE7C

accent

#E83FE0

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #3129C5

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

Preview Lab → · Contrast checker → · Palette generator →