#3141B2#3141B2

#3141B2 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.179 H 270.7°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3141B2
RGB	rgb(49, 65, 178)
HSL	hsl(233, 57%, 45%)
HSV	hsv(233, 72%, 70%)
CMYK	cmyk(72.5%, 63.5%, 0%, 30.2%)
CIE-LAB	lab(33.24, 32.83, -61.84)
CIE-LCH	lch(33.24, 70.02, 297.96°)
OKLab	oklab(43.75% 0.0023 -0.1786)
OKLCH	oklch(43.75% 0.179 270.7)
XYZ	xyz(11.1901, 7.6468, 42.9971)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3141B2 #B2A231

analogous

#3182B2 #3141B2 #6231B2

triadic

#3141B2 #B23141 #41B231

tetradic

#3141B2 #B23182 #B2A231 #31B262

square

#3141B2 #B23182 #B2A231 #31B262

split-complementary

#3141B2 #B26231 #82B231

monochromatic

#171E52 #242F82 #3141B2 #5161CF #818CDC

Accessibility & contrast

On white

8.30

#3141B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3141B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3141B2

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3141B2	#FFFFFF	#000000	##FFFFFF
##3141B2	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3141b2;
/* rgb */ color: rgb(49, 65, 178);
/* oklch */ color: oklch(43.7% 0.179 270.7);

Tailwind

colors: {
  custom: {
    50: '#7b75ca',
    500: '#3141b2',
    950: '#000000',
  },
}

SCSS

$custom: #3141b2;
$custom-light: #7b75ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3141b2",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 178
  },
  "hsl": {
    "h": 232.558,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43748,
    "c": 0.17866,
    "h": 270.7
  },
  "luminance": 0.07648
}

Semantic roles & 50–950 ramp

primary

#3141B2

secondary

#C5BC79

accent

#CD48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3141B2

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

Preview Lab → · Contrast checker → · Palette generator →