#3141AC#3141AC

#3141AC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.171 H 270.8°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3141AC
RGB	rgb(49, 65, 172)
HSL	hsl(232, 56%, 43%)
HSV	hsv(232, 72%, 67%)
CMYK	cmyk(71.5%, 62.2%, 0%, 32.5%)
CIE-LAB	lab(32.73, 30.66, -59.10)
CIE-LCH	lch(32.73, 66.58, 297.42°)
OKLab	oklab(43.21% 0.0025 -0.1706)
OKLCH	oklch(43.21% 0.171 270.8)
XYZ	xyz(10.6008, 7.4111, 39.8935)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3141AC #AC9C31

analogous

#317EAC #3141AC #5E31AC

triadic

#3141AC #AC3141 #41AC31

tetradic

#3141AC #AC317E #AC9C31 #31AC5E

square

#3141AC #AC317E #AC9C31 #31AC5E

split-complementary

#3141AC #AC5E31 #7EAC31

monochromatic

#161D4D #232F7C #3141AC #4E5ECC #7D89DA

Accessibility & contrast

On white

8.46

#3141AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3141AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3141AC

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3141AC	#FFFFFF	#000000	##FFFFFF
##3141AC	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3141ac;
/* rgb */ color: rgb(49, 65, 172);
/* oklch */ color: oklch(43.2% 0.171 270.8);

Tailwind

colors: {
  custom: {
    50: '#7a75c6',
    500: '#3141ac',
    950: '#000000',
  },
}

SCSS

$custom: #3141ac;
$custom-light: #7a75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3141ac",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 172
  },
  "hsl": {
    "h": 232.195,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43213,
    "c": 0.17064,
    "h": 270.8
  },
  "luminance": 0.07412
}

Semantic roles & 50–950 ramp

primary

#3141AC

secondary

#C3B976

accent

#CB49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3141AC

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

Preview Lab → · Contrast checker → · Palette generator →