#2C3BB0#2C3BB0

#2C3BB0 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.184 H 270.4°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#2C3BB0
RGB	rgb(44, 59, 176)
HSL	hsl(233, 60%, 43%)
HSV	hsv(233, 75%, 69%)
CMYK	cmyk(75%, 66.5%, 0%, 31%)
CIE-LAB	lab(31.34, 35.38, -63.77)
CIE-LCH	lch(31.34, 72.92, 299.02°)
OKLab	oklab(42.23% 0.0012 -0.1844)
OKLCH	oklch(42.23% 0.184 270.4)
XYZ	xyz(10.4365, 6.7969, 41.8278)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3BB0 #B0A12C

analogous

#2C7DB0 #2C3BB0 #5F2CB0

triadic

#2C3BB0 #B02C3B #3BB02C

tetradic

#2C3BB0 #B02C7D #B0A12C #2CB05F

square

#2C3BB0 #B02C7D #B0A12C #2CB05F

split-complementary

#2C3BB0 #B05F2C #7DB02C

monochromatic

#141A4E #202B7F #2C3BB0 #4858D1 #7984DD

Accessibility & contrast

On white

8.90

#2C3BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2C3BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3BB0

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3BB0	#FFFFFF	#000000	##FFFFFF
##2C3BB0	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B4

Deuteranopia (green-blind)

#0044AE

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2c3bb0;
/* rgb */ color: rgb(44, 59, 176);
/* oklch */ color: oklch(42.2% 0.184 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a71c9',
    500: '#2c3bb0',
    950: '#000000',
  },
}

SCSS

$custom: #2c3bb0;
$custom-light: #7a71c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3bb0",
  "rgb": {
    "r": 44,
    "g": 59,
    "b": 176
  },
  "hsl": {
    "h": 233.182,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42232,
    "c": 0.18444,
    "h": 270.4
  },
  "luminance": 0.06798
}

Semantic roles & 50–950 ramp

primary

#2C3BB0

secondary

#C6BC72

accent

#D145E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2C3BB0

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

Preview Lab → · Contrast checker → · Palette generator →