#2C3BB1#2C3BB1

#2C3BB1 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.3% C 0.186 H 270.3°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#2C3BB1
RGB	rgb(44, 59, 177)
HSL	hsl(233, 60%, 43%)
HSV	hsv(233, 75%, 69%)
CMYK	cmyk(75.1%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(31.43, 35.74, -64.21)
CIE-LCH	lch(31.43, 73.49, 299.10°)
OKLab	oklab(42.33% 0.0011 -0.1857)
OKLCH	oklch(42.33% 0.186 270.3)
XYZ	xyz(10.5358, 6.8366, 42.3508)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3BB1 #B1A22C

analogous

#2C7DB1 #2C3BB1 #5F2CB1

triadic

#2C3BB1 #B12C3B #3BB12C

tetradic

#2C3BB1 #B12C7D #B1A22C #2CB15F

square

#2C3BB1 #B12C7D #B1A22C #2CB15F

split-complementary

#2C3BB1 #B15F2C #7DB12C

monochromatic

#141A4F #202B80 #2C3BB1 #4958D2 #7A85DE

Accessibility & contrast

On white

8.87

#2C3BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2C3BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3BB1

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3BB1	#FFFFFF	#000000	##FFFFFF
##2C3BB1	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B5

Deuteranopia (green-blind)

#0044AF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2c3bb1;
/* rgb */ color: rgb(44, 59, 177);
/* oklch */ color: oklch(42.3% 0.186 270.3);

Tailwind

colors: {
  custom: {
    50: '#7a71c9',
    500: '#2c3bb1',
    950: '#000000',
  },
}

SCSS

$custom: #2c3bb1;
$custom-light: #7a71c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3bb1",
  "rgb": {
    "r": 44,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 233.233,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42328,
    "c": 0.18574,
    "h": 270.3
  },
  "luminance": 0.06838
}

Semantic roles & 50–950 ramp

primary

#2C3BB1

secondary

#C6BD73

accent

#D144E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2C3BB1

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

Preview Lab → · Contrast checker → · Palette generator →