#3129BA#3129BA

#3129BA is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.8% C 0.214 H 273.8°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#3129BA
RGB	rgb(49, 41, 186)
HSL	hsl(243, 64%, 45%)
HSV	hsv(243, 78%, 73%)
CMYK	cmyk(73.7%, 78%, 0%, 27.1%)
CIE-LAB	lab(28.86, 49.71, -73.79)
CIE-LCH	lch(28.86, 88.98, 303.97°)
OKLab	oklab(40.84% 0.0143 -0.2135)
OKLCH	oklch(40.84% 0.214 273.8)
XYZ	xyz(10.9195, 5.7829, 46.9856)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129BA #B2BA29

analogous

#296ABA #3129BA #7929BA

triadic

#3129BA #BA3129 #29BA31

tetradic

#3129BA #BA296A #B2BA29 #29BA79

square

#3129BA #BA296A #B2BA29 #29BA79

split-complementary

#3129BA #BA7929 #6ABA29

monochromatic

#171356 #241E88 #3129BA #5149D7 #817BE2

Accessibility & contrast

On white

9.74

#3129BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3129BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129BA

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129BA	#FFFFFF	#000000	##FFFFFF
##3129BA	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBE

Deuteranopia (green-blind)

#003DB7

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3129ba;
/* rgb */ color: rgb(49, 41, 186);
/* oklch */ color: oklch(40.8% 0.214 273.8);

Tailwind

colors: {
  custom: {
    50: '#7f66d0',
    500: '#3129ba',
    950: '#000000',
  },
}

SCSS

$custom: #3129ba;
$custom-light: #7f66d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3129ba",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 186
  },
  "hsl": {
    "h": 243.31,
    "s": 63.877,
    "l": 44.51
  },
  "oklch": {
    "l": 0.40835,
    "c": 0.21396,
    "h": 273.8
  },
  "luminance": 0.05784
}

Semantic roles & 50–950 ramp

primary

#3129BA

secondary

#C5CA75

accent

#E741DE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3129BA

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

Preview Lab → · Contrast checker → · Palette generator →