#2940B3#2940B3

#2940B3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.183 H 268.5°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2940B3
RGB	rgb(41, 64, 179)
HSL	hsl(230, 63%, 43%)
HSV	hsv(230, 77%, 70%)
CMYK	cmyk(77.1%, 64.2%, 0%, 29.8%)
CIE-LAB	lab(32.68, 32.95, -63.36)
CIE-LCH	lch(32.68, 71.41, 297.48°)
OKLab	oklab(43.26% -0.0049 -0.1833)
OKLCH	oklch(43.26% 0.183 268.5)
XYZ	xyz(10.8817, 7.3917, 43.4923)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2940B3 #B39C29

analogous

#2985B3 #2940B3 #5729B3

triadic

#2940B3 #B32940 #40B329

tetradic

#2940B3 #B32985 #B39C29 #29B357

square

#2940B3 #B32985 #B39C29 #29B357

split-complementary

#2940B3 #B35729 #85B329

monochromatic

#121C4F #1E2E81 #2940B3 #455DD4 #7788E0

Accessibility & contrast

On white

8.47

#2940B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2940B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2940B3

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2940B3	#FFFFFF	#000000	##FFFFFF
##2940B3	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0046B1

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2940b3;
/* rgb */ color: rgb(41, 64, 179);
/* oklch */ color: oklch(43.3% 0.183 268.5);

Tailwind

colors: {
  custom: {
    50: '#7974cb',
    500: '#2940b3',
    950: '#000000',
  },
}

SCSS

$custom: #2940b3;
$custom-light: #7974cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2940b3",
  "rgb": {
    "r": 41,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 230,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4326,
    "c": 0.18333,
    "h": 268.5
  },
  "luminance": 0.07393
}

Semantic roles & 50–950 ramp

primary

#2940B3

secondary

#C7B970

accent

#CA42E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2940B3

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

Preview Lab → · Contrast checker → · Palette generator →