#2C3DB1#2C3DB1

#2C3DB1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.183 H 270.0°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#2C3DB1
RGB	rgb(44, 61, 177)
HSL	hsl(232, 60%, 43%)
HSV	hsv(232, 75%, 69%)
CMYK	cmyk(75.1%, 65.5%, 0%, 30.6%)
CIE-LAB	lab(31.91, 34.46, -63.43)
CIE-LCH	lch(31.91, 72.18, 298.52°)
OKLab	oklab(42.68% -0.0001 -0.1834)
OKLCH	oklch(42.68% 0.183 270)
XYZ	xyz(10.6405, 7.0461, 42.3857)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3DB1 #B1A02C

analogous

#2C7FB1 #2C3DB1 #5D2CB1

triadic

#2C3DB1 #B12C3D #3DB12C

tetradic

#2C3DB1 #B12C7F #B1A02C #2CB15D

square

#2C3DB1 #B12C7F #B1A02C #2CB15D

split-complementary

#2C3DB1 #B15D2C #7FB12C

monochromatic

#141B4F #202C80 #2C3DB1 #495AD2 #7A86DE

Accessibility & contrast

On white

8.72

#2C3DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2C3DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3DB1

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3DB1	#FFFFFF	#000000	##FFFFFF
##2C3DB1	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B5

Deuteranopia (green-blind)

#0045AF

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2c3db1;
/* rgb */ color: rgb(44, 61, 177);
/* oklch */ color: oklch(42.7% 0.183 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a72c9',
    500: '#2c3db1',
    950: '#000000',
  },
}

SCSS

$custom: #2c3db1;
$custom-light: #7a72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3db1",
  "rgb": {
    "r": 44,
    "g": 61,
    "b": 177
  },
  "hsl": {
    "h": 232.331,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42678,
    "c": 0.18343,
    "h": 270
  },
  "luminance": 0.07047
}

Semantic roles & 50–950 ramp

primary

#2C3DB1

secondary

#C6BB73

accent

#CF44E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C3DB1

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

Preview Lab → · Contrast checker → · Palette generator →