#2C3AA5#2C3AA5

#2C3AA5 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.171 H 270.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2C3AA5
RGB	rgb(44, 58, 165)
HSL	hsl(233, 58%, 41%)
HSV	hsv(233, 73%, 65%)
CMYK	cmyk(73.3%, 64.8%, 0%, 35.3%)
CIE-LAB	lab(30.10, 32.03, -59.21)
CIE-LCH	lch(30.10, 67.31, 298.41°)
OKLab	oklab(41.02% 0.0025 -0.1711)
OKLCH	oklch(41.02% 0.171 270.8)
XYZ	xyz(9.3410, 6.2772, 36.3094)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3AA5 #A5972C

analogous

#2C76A5 #2C3AA5 #5A2CA5

triadic

#2C3AA5 #A52C3A #3AA52C

tetradic

#2C3AA5 #A52C76 #A5972C #2CA55A

square

#2C3AA5 #A52C76 #A5972C #2CA55A

split-complementary

#2C3AA5 #A55A2C #76A52C

monochromatic

#121844 #1F2975 #2C3AA5 #4252CD #727ED9

Accessibility & contrast

On white

9.31

#2C3AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2C3AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3AA5

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3AA5	#FFFFFF	#000000	##FFFFFF
##2C3AA5	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2c3aa5;
/* rgb */ color: rgb(44, 58, 165);
/* oklch */ color: oklch(41.0% 0.171 270.8);

Tailwind

colors: {
  custom: {
    50: '#7770c1',
    500: '#2c3aa5',
    950: '#000000',
  },
}

SCSS

$custom: #2c3aa5;
$custom-light: #7770c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3aa5",
  "rgb": {
    "r": 44,
    "g": 58,
    "b": 165
  },
  "hsl": {
    "h": 233.058,
    "s": 57.895,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41021,
    "c": 0.17112,
    "h": 270.8
  },
  "luminance": 0.06278
}

Semantic roles & 50–950 ramp

primary

#2C3AA5

secondary

#C1B76C

accent

#CF47E1

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2C3AA5

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

Preview Lab → · Contrast checker → · Palette generator →