#3141B8#3141B8

#3141B8 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.187 H 270.6°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3141B8
RGB	rgb(49, 65, 184)
HSL	hsl(233, 58%, 46%)
HSV	hsv(233, 73%, 72%)
CMYK	cmyk(73.4%, 64.7%, 0%, 27.8%)
CIE-LAB	lab(33.76, 34.99, -64.54)
CIE-LCH	lch(33.76, 73.42, 298.47°)
OKLab	oklab(44.29% 0.002 -0.1865)
OKLCH	oklch(44.29% 0.187 270.6)
XYZ	xyz(11.8057, 7.8930, 46.2394)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3141B8 #B8A831

analogous

#3184B8 #3141B8 #6431B8

triadic

#3141B8 #B83141 #41B831

tetradic

#3141B8 #B83184 #B8A831 #31B864

square

#3141B8 #B83184 #B8A831 #31B864

split-complementary

#3141B8 #B86431 #84B831

monochromatic

#171F57 #243088 #3141B8 #5563D2 #8590DE

Accessibility & contrast

On white

8.14

#3141B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3141B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3141B8

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3141B8	#FFFFFF	#000000	##FFFFFF
##3141B8	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3141b8;
/* rgb */ color: rgb(49, 65, 184);
/* oklch */ color: oklch(44.3% 0.187 270.6);

Tailwind

colors: {
  custom: {
    50: '#7d75ce',
    500: '#3141b8',
    950: '#000000',
  },
}

SCSS

$custom: #3141b8;
$custom-light: #7d75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3141b8",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 184
  },
  "hsl": {
    "h": 232.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.44293,
    "c": 0.18656,
    "h": 270.6
  },
  "luminance": 0.07894
}

Semantic roles & 50–950 ramp

primary

#3141B8

secondary

#C8BF7D

accent

#CF47E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3141B8

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

Preview Lab → · Contrast checker → · Palette generator →