#3141B3#3141B3

#3141B3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.180 H 270.7°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#3141B3
RGB	rgb(49, 65, 179)
HSL	hsl(233, 57%, 45%)
HSV	hsv(233, 73%, 70%)
CMYK	cmyk(72.6%, 63.7%, 0%, 29.8%)
CIE-LAB	lab(33.32, 33.19, -62.29)
CIE-LCH	lch(33.32, 70.59, 298.05°)
OKLab	oklab(43.84% 0.0022 -0.18)
OKLCH	oklch(43.84% 0.18 270.7)
XYZ	xyz(11.2908, 7.6871, 43.5278)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3141B3 #B3A331

analogous

#3182B3 #3141B3 #6231B3

triadic

#3141B3 #B33141 #41B331

tetradic

#3141B3 #B33182 #B3A331 #31B362

square

#3141B3 #B33182 #B3A331 #31B362

split-complementary

#3141B3 #B36231 #82B331

monochromatic

#171E53 #243083 #3141B3 #5261D0 #828DDD

Accessibility & contrast

On white

8.28

#3141B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3141B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3141B3

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3141B3	#FFFFFF	#000000	##FFFFFF
##3141B3	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3141b3;
/* rgb */ color: rgb(49, 65, 179);
/* oklch */ color: oklch(43.8% 0.180 270.7);

Tailwind

colors: {
  custom: {
    50: '#7c75cb',
    500: '#3141b3',
    950: '#000000',
  },
}

SCSS

$custom: #3141b3;
$custom-light: #7c75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3141b3",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 179
  },
  "hsl": {
    "h": 232.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43838,
    "c": 0.17998,
    "h": 270.7
  },
  "luminance": 0.07688
}

Semantic roles & 50–950 ramp

primary

#3141B3

secondary

#C6BD7A

accent

#CD48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3141B3

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

Preview Lab → · Contrast checker → · Palette generator →