#2C3FB0#2C3FB0

#2C3FB0 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.180 H 269.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2C3FB0
RGB	rgb(44, 63, 176)
HSL	hsl(231, 60%, 43%)
HSV	hsv(231, 75%, 69%)
CMYK	cmyk(75%, 64.2%, 0%, 31%)
CIE-LAB	lab(32.31, 32.81, -62.18)
CIE-LCH	lch(32.31, 70.30, 297.82°)
OKLab	oklab(42.94% -0.0013 -0.1798)
OKLCH	oklch(42.94% 0.18 269.6)
XYZ	xyz(10.6500, 7.2239, 41.8990)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3FB0 #B09D2C

analogous

#2C81B0 #2C3FB0 #5B2CB0

triadic

#2C3FB0 #B02C3F #3FB02C

tetradic

#2C3FB0 #B02C81 #B09D2C #2CB05B

square

#2C3FB0 #B02C81 #B09D2C #2CB05B

split-complementary

#2C3FB0 #B05B2C #81B02C

monochromatic

#141C4E #202D7F #2C3FB0 #485CD1 #7987DD

Accessibility & contrast

On white

8.59

#2C3FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2C3FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3FB0

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3FB0	#FFFFFF	#000000	##FFFFFF
##2C3FB0	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B4

Deuteranopia (green-blind)

#0046AE

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2c3fb0;
/* rgb */ color: rgb(44, 63, 176);
/* oklch */ color: oklch(42.9% 0.180 269.6);

Tailwind

colors: {
  custom: {
    50: '#7974c9',
    500: '#2c3fb0',
    950: '#000000',
  },
}

SCSS

$custom: #2c3fb0;
$custom-light: #7974c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3fb0",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 176
  },
  "hsl": {
    "h": 231.364,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42944,
    "c": 0.17976,
    "h": 269.6
  },
  "luminance": 0.07225
}

Semantic roles & 50–950 ramp

primary

#2C3FB0

secondary

#C6BA72

accent

#CC45E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C3FB0

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

Preview Lab → · Contrast checker → · Palette generator →