#3141AA#3141AA

#3141AA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.168 H 270.9°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#3141AA
RGB	rgb(49, 65, 170)
HSL	hsl(232, 55%, 43%)
HSV	hsv(232, 71%, 67%)
CMYK	cmyk(71.2%, 61.8%, 0%, 33.3%)
CIE-LAB	lab(32.56, 29.93, -58.18)
CIE-LCH	lch(32.56, 65.43, 297.22°)
OKLab	oklab(43.04% 0.0025 -0.1679)
OKLCH	oklch(43.04% 0.168 270.9)
XYZ	xyz(10.4102, 7.3348, 38.8896)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3141AA #AA9A31

analogous

#317DAA #3141AA #5D31AA

triadic

#3141AA #AA3141 #41AA31

tetradic

#3141AA #AA317D #AA9A31 #31AA5D

square

#3141AA #AA317D #AA9A31 #31AA5D

split-complementary

#3141AA #AA5D31 #7DAA31

monochromatic

#161D4B #232F7A #3141AA #4D5DCC #7C88D9

Accessibility & contrast

On white

8.51

#3141AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3141AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3141AA

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3141AA	#FFFFFF	#000000	##FFFFFF
##3141AA	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3141aa;
/* rgb */ color: rgb(49, 65, 170);
/* oklch */ color: oklch(43.0% 0.168 270.9);

Tailwind

colors: {
  custom: {
    50: '#7a75c4',
    500: '#3141aa',
    950: '#000000',
  },
}

SCSS

$custom: #3141aa;
$custom-light: #7a75c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3141aa",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 170
  },
  "hsl": {
    "h": 232.066,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43037,
    "c": 0.16794,
    "h": 270.9
  },
  "luminance": 0.07336
}

Semantic roles & 50–950 ramp

primary

#3141AA

secondary

#C2B875

accent

#CB49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3141AA

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

Preview Lab → · Contrast checker → · Palette generator →