#3129B0#3129B0

#3129B0 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.8% C 0.202 H 274.7°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#3129B0
RGB	rgb(49, 41, 176)
HSL	hsl(244, 62%, 43%)
HSV	hsv(244, 77%, 69%)
CMYK	cmyk(72.2%, 76.7%, 0%, 31%)
CIE-LAB	lab(27.77, 46.53, -69.64)
CIE-LCH	lch(27.77, 83.75, 303.75°)
OKLab	oklab(39.75% 0.0165 -0.2014)
OKLCH	oklch(39.75% 0.202 274.7)
XYZ	xyz(9.8934, 5.3725, 41.5815)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129B0 #A8B029

analogous

#2964B0 #3129B0 #7529B0

triadic

#3129B0 #B03129 #29B031

tetradic

#3129B0 #B02964 #A8B029 #29B075

square

#3129B0 #B02964 #A8B029 #29B075

split-complementary

#3129B0 #B07529 #64B029

monochromatic

#15124D #231D7E #3129B0 #4C43D3 #7B75DF

Accessibility & contrast

On white

10.12

#3129B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3129B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129B0

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129B0	#FFFFFF	#000000	##FFFFFF
##3129B0	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003BAE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3129b0;
/* rgb */ color: rgb(49, 41, 176);
/* oklch */ color: oklch(39.8% 0.202 274.7);

Tailwind

colors: {
  custom: {
    50: '#7d65c9',
    500: '#3129b0',
    950: '#000000',
  },
}

SCSS

$custom: #3129b0;
$custom-light: #7d65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3129b0",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 176
  },
  "hsl": {
    "h": 243.556,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39751,
    "c": 0.20208,
    "h": 274.7
  },
  "luminance": 0.05373
}

Semantic roles & 50–950 ramp

primary

#3129B0

secondary

#C1C66F

accent

#E543DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3129B0

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

Preview Lab → · Contrast checker → · Palette generator →