#2C3580#2C3580

#2C3580 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.126 H 273.4°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#2C3580
RGB	rgb(44, 53, 128)
HSL	hsl(234, 49%, 34%)
HSV	hsv(234, 66%, 50%)
CMYK	cmyk(65.6%, 58.6%, 0%, 49.8%)
CIE-LAB	lab(25.68, 21.68, -43.66)
CIE-LCH	lch(25.68, 48.75, 296.41°)
OKLab	oklab(36.78% 0.0074 -0.1255)
OKLCH	oklch(36.78% 0.126 273.4)
XYZ	xyz(6.2068, 4.6397, 20.9863)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3580 #80772C

analogous

#2C5F80 #2C3580 #4D2C80

triadic

#2C3580 #802C35 #35802C

tetradic

#2C3580 #802C5F #80772C #2C804D

square

#2C3580 #802C5F #80772C #2C804D

split-complementary

#2C3580 #804D2C #5F802C

monochromatic

#0D0F25 #1C2252 #2C3580 #3C48AE #5F6AC8

Accessibility & contrast

On white

10.89

#2C3580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2C3580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3580

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3580	#FFFFFF	#000000	##FFFFFF
##2C3580	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004183

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2c3580;
/* rgb */ color: rgb(44, 53, 128);
/* oklch */ color: oklch(36.8% 0.126 273.4);

Tailwind

colors: {
  custom: {
    50: '#6f6ca5',
    500: '#2c3580',
    950: '#000000',
  },
}

SCSS

$custom: #2c3580;
$custom-light: #6f6ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3580",
  "rgb": {
    "r": 44,
    "g": 53,
    "b": 128
  },
  "hsl": {
    "h": 233.571,
    "s": 48.837,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36781,
    "c": 0.12573,
    "h": 273.4
  },
  "luminance": 0.0464
}

Semantic roles & 50–950 ramp

primary

#2C3580

secondary

#AEA55A

accent

#CA4FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2C3580

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

Preview Lab → · Contrast checker → · Palette generator →