#2C3CB0#2C3CB0

#2C3CB0 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.183 H 270.2°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#2C3CB0
RGB	rgb(44, 60, 176)
HSL	hsl(233, 60%, 43%)
HSV	hsv(233, 75%, 69%)
CMYK	cmyk(75%, 65.9%, 0%, 31%)
CIE-LAB	lab(31.58, 34.74, -63.38)
CIE-LCH	lch(31.58, 72.27, 298.73°)
OKLab	oklab(42.41% 0.0006 -0.1833)
OKLCH	oklch(42.41% 0.183 270.2)
XYZ	xyz(10.4884, 6.9007, 41.8451)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3CB0 #B0A02C

analogous

#2C7EB0 #2C3CB0 #5E2CB0

triadic

#2C3CB0 #B02C3C #3CB02C

tetradic

#2C3CB0 #B02C7E #B0A02C #2CB05E

square

#2C3CB0 #B02C7E #B0A02C #2CB05E

split-complementary

#2C3CB0 #B05E2C #7EB02C

monochromatic

#141B4E #202B7F #2C3CB0 #4859D1 #7985DD

Accessibility & contrast

On white

8.82

#2C3CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2C3CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3CB0

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3CB0	#FFFFFF	#000000	##FFFFFF
##2C3CB0	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#0044AE

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2c3cb0;
/* rgb */ color: rgb(44, 60, 176);
/* oklch */ color: oklch(42.4% 0.183 270.2);

Tailwind

colors: {
  custom: {
    50: '#7a72c9',
    500: '#2c3cb0',
    950: '#000000',
  },
}

SCSS

$custom: #2c3cb0;
$custom-light: #7a72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3cb0",
  "rgb": {
    "r": 44,
    "g": 60,
    "b": 176
  },
  "hsl": {
    "h": 232.727,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42408,
    "c": 0.18329,
    "h": 270.2
  },
  "luminance": 0.06902
}

Semantic roles & 50–950 ramp

primary

#2C3CB0

secondary

#C6BB72

accent

#D045E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C3CB0

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

Preview Lab → · Contrast checker → · Palette generator →