#3129A8#3129A8

#3129A8 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.9% C 0.192 H 275.4°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#3129A8
RGB	rgb(49, 41, 168)
HSL	hsl(244, 61%, 41%)
HSV	hsv(244, 76%, 66%)
CMYK	cmyk(70.8%, 75.6%, 0%, 34.1%)
CIE-LAB	lab(26.92, 43.95, -66.24)
CIE-LCH	lch(26.92, 79.49, 303.57°)
OKLab	oklab(38.9% 0.0183 -0.1915)
OKLCH	oklch(38.9% 0.192 275.4)
XYZ	xyz(9.1251, 5.0651, 37.5350)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129A8 #A0A829

analogous

#2960A8 #3129A8 #7029A8

triadic

#3129A8 #A83129 #29A831

tetradic

#3129A8 #A82960 #A0A829 #29A870

square

#3129A8 #A82960 #A0A829 #29A870

split-complementary

#3129A8 #A87029 #60A829

monochromatic

#141146 #231D77 #3129A8 #473ED0 #766FDC

Accessibility & contrast

On white

10.43

#3129A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3129A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129A8

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129A8	#FFFFFF	#000000	##FFFFFF
##3129A8	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3129a8;
/* rgb */ color: rgb(49, 41, 168);
/* oklch */ color: oklch(38.9% 0.192 275.4);

Tailwind

colors: {
  custom: {
    50: '#7b65c3',
    500: '#3129a8',
    950: '#000000',
  },
}

SCSS

$custom: #3129a8;
$custom-light: #7b65c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3129a8",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 168
  },
  "hsl": {
    "h": 243.78,
    "s": 60.766,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38898,
    "c": 0.19237,
    "h": 275.4
  },
  "luminance": 0.05066
}

Semantic roles & 50–950 ramp

primary

#3129A8

secondary

#BDC36A

accent

#E444DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3129A8

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

Preview Lab → · Contrast checker → · Palette generator →