#3140AD#3140AD

#3140AD is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.173 H 271.1°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#3140AD
RGB	rgb(49, 64, 173)
HSL	hsl(233, 56%, 44%)
HSV	hsv(233, 72%, 68%)
CMYK	cmyk(71.7%, 63%, 0%, 32.2%)
CIE-LAB	lab(32.56, 31.67, -59.97)
CIE-LCH	lch(32.56, 67.82, 297.84°)
OKLab	oklab(43.12% 0.0032 -0.1732)
OKLCH	oklch(43.12% 0.173 271.1)
XYZ	xyz(10.6403, 7.3358, 40.3823)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3140AD #AD9E31

analogous

#317EAD #3140AD #6031AD

triadic

#3140AD #AD3140 #40AD31

tetradic

#3140AD #AD317E #AD9E31 #31AD60

square

#3140AD #AD317E #AD9E31 #31AD60

split-complementary

#3140AD #AD6031 #7EAD31

monochromatic

#161D4E #232E7D #3140AD #4E5ECD #7E89DA

Accessibility & contrast

On white

8.51

#3140AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3140AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3140AD

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3140AD	#FFFFFF	#000000	##FFFFFF
##3140AD	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)

#0052B1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3140ad;
/* rgb */ color: rgb(49, 64, 173);
/* oklch */ color: oklch(43.1% 0.173 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a74c6',
    500: '#3140ad',
    950: '#000000',
  },
}

SCSS

$custom: #3140ad;
$custom-light: #7a74c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3140ad",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 173
  },
  "hsl": {
    "h": 232.742,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43117,
    "c": 0.1732,
    "h": 271.1
  },
  "luminance": 0.07337
}

Semantic roles & 50–950 ramp

primary

#3140AD

secondary

#C3BA77

accent

#CD49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3140AD

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

Preview Lab → · Contrast checker → · Palette generator →