#3129B6#3129B6

#3129B6 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.4% C 0.209 H 274.2°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#3129B6
RGB	rgb(49, 41, 182)
HSL	hsl(243, 63%, 44%)
HSV	hsv(243, 77%, 71%)
CMYK	cmyk(73.1%, 77.5%, 0%, 28.6%)
CIE-LAB	lab(28.42, 48.45, -72.14)
CIE-LCH	lch(28.42, 86.90, 303.88°)
OKLab	oklab(40.4% 0.0152 -0.2087)
OKLCH	oklch(40.4% 0.209 274.2)
XYZ	xyz(10.5003, 5.6152, 44.7774)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129B6 #AEB629

analogous

#2967B6 #3129B6 #7729B6

triadic

#3129B6 #B63129 #29B631

tetradic

#3129B6 #B62967 #AEB629 #29B677

square

#3129B6 #B62967 #AEB629 #29B677

split-complementary

#3129B6 #B67729 #67B629

monochromatic

#161252 #241E84 #3129B6 #4F47D5 #7F79E1

Accessibility & contrast

On white

9.89

#3129B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3129B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129B6

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129B6	#FFFFFF	#000000	##FFFFFF
##3129B6	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BA

Deuteranopia (green-blind)

#003CB4

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3129b6;
/* rgb */ color: rgb(49, 41, 182);
/* oklch */ color: oklch(40.4% 0.209 274.2);

Tailwind

colors: {
  custom: {
    50: '#7e66cd',
    500: '#3129b6',
    950: '#000000',
  },
}

SCSS

$custom: #3129b6;
$custom-light: #7e66cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3129b6",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 182
  },
  "hsl": {
    "h": 243.404,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40399,
    "c": 0.20923,
    "h": 274.2
  },
  "luminance": 0.05616
}

Semantic roles & 50–950 ramp

primary

#3129B6

secondary

#C4C972

accent

#E642DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3129B6

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

Preview Lab → · Contrast checker → · Palette generator →