#2C3FB3#2C3FB3

#2C3FB3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.184 H 269.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2C3FB3
RGB	rgb(44, 63, 179)
HSL	hsl(232, 61%, 44%)
HSV	hsv(232, 75%, 70%)
CMYK	cmyk(75.4%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(32.58, 33.91, -63.52)
CIE-LCH	lch(32.58, 72.01, 298.09°)
OKLab	oklab(43.22% -0.0014 -0.1837)
OKLCH	oklch(43.22% 0.184 269.5)
XYZ	xyz(10.9501, 7.3440, 43.4795)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3FB3 #B3A02C

analogous

#2C82B3 #2C3FB3 #5C2CB3

triadic

#2C3FB3 #B32C3F #3FB32C

tetradic

#2C3FB3 #B32C82 #B3A02C #2CB35C

square

#2C3FB3 #B32C82 #B3A02C #2CB35C

split-complementary

#2C3FB3 #B35C2C #82B32C

monochromatic

#141C51 #202E82 #2C3FB3 #4A5DD2 #7B89DF

Accessibility & contrast

On white

8.51

#2C3FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2C3FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3FB3

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3FB3	#FFFFFF	#000000	##FFFFFF
##2C3FB3	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)

#0053B7

Deuteranopia (green-blind)

#0046B1

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2c3fb3;
/* rgb */ color: rgb(44, 63, 179);
/* oklch */ color: oklch(43.2% 0.184 269.5);

Tailwind

colors: {
  custom: {
    50: '#7a74cb',
    500: '#2c3fb3',
    950: '#000000',
  },
}

SCSS

$custom: #2c3fb3;
$custom-light: #7a74cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3fb3",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 231.556,
    "s": 60.538,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43221,
    "c": 0.18371,
    "h": 269.5
  },
  "luminance": 0.07345
}

Semantic roles & 50–950 ramp

primary

#2C3FB3

secondary

#C7BB74

accent

#CD44E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C3FB3

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

Preview Lab → · Contrast checker → · Palette generator →