#2C3181#2C3181

#2C3181 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.133 H 274.8°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#2C3181
RGB	rgb(44, 49, 129)
HSL	hsl(236, 49%, 34%)
HSV	hsv(236, 66%, 51%)
CMYK	cmyk(65.9%, 62%, 0%, 49.4%)
CIE-LAB	lab(24.69, 24.77, -45.90)
CIE-LCH	lch(24.69, 52.16, 298.35°)
OKLab	oklab(36.07% 0.0112 -0.1321)
OKLCH	oklch(36.07% 0.133 274.8)
XYZ	xyz(6.0982, 4.3166, 21.2764)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3181 #817C2C

analogous

#2C5C81 #2C3181 #522C81

triadic

#2C3181 #812C31 #31812C

tetradic

#2C3181 #812C5C #817C2C #2C8152

square

#2C3181 #812C5C #817C2C #2C8152

split-complementary

#2C3181 #81522C #5C812C

monochromatic

#0D0E26 #1C2053 #2C3181 #3C42AF #5F65C8

Accessibility & contrast

On white

11.27

#2C3181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2C3181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3181

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3181	#FFFFFF	#000000	##FFFFFF
##2C3181	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2c3181;
/* rgb */ color: rgb(44, 49, 129);
/* oklch */ color: oklch(36.1% 0.133 274.8);

Tailwind

colors: {
  custom: {
    50: '#7069a6',
    500: '#2c3181',
    950: '#000000',
  },
}

SCSS

$custom: #2c3181;
$custom-light: #7069a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3181",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 236.471,
    "s": 49.133,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36071,
    "c": 0.1326,
    "h": 274.8
  },
  "luminance": 0.04317
}

Semantic roles & 50–950 ramp

primary

#2C3181

secondary

#AFAA5A

accent

#D14FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2C3181

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

Preview Lab → · Contrast checker → · Palette generator →