#2C309D#2C309D

#2C309D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.5% C 0.172 H 273.3°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#2C309D
RGB	rgb(44, 48, 157)
HSL	hsl(238, 56%, 39%)
HSV	hsv(238, 72%, 62%)
CMYK	cmyk(72%, 69.4%, 0%, 38.4%)
CIE-LAB	lab(26.97, 35.53, -59.50)
CIE-LCH	lch(26.97, 69.30, 300.85°)
OKLab	oklab(38.51% 0.0098 -0.172)
OKLCH	oklch(38.51% 0.172 273.3)
XYZ	xyz(8.1794, 5.0829, 32.4418)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C309D #9D992C

analogous

#2C699D #2C309D #612C9D

triadic

#2C309D #9D2C30 #309D2C

tetradic

#2C309D #9D2C69 #9D992C #2C9D61

square

#2C309D #9D2C69 #9D992C #2C9D61

split-complementary

#2C309D #9D612C #699D2C

monochromatic

#11133D #1F216D #2C309D #3D42C9 #6D71D6

Accessibility & contrast

On white

10.41

#2C309D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2C309D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C309D

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C309D	#FFFFFF	#000000	##FFFFFF
##2C309D	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003A9B

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2c309d;
/* rgb */ color: rgb(44, 48, 157);
/* oklch */ color: oklch(38.5% 0.172 273.3);

Tailwind

colors: {
  custom: {
    50: '#7669bb',
    500: '#2c309d',
    950: '#000000',
  },
}

SCSS

$custom: #2c309d;
$custom-light: #7669bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c309d",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 157
  },
  "hsl": {
    "h": 237.876,
    "s": 56.219,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38513,
    "c": 0.17227,
    "h": 273.3
  },
  "luminance": 0.05084
}

Semantic roles & 50–950 ramp

primary

#2C309D

secondary

#BDBA68

accent

#DA48E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2C309D

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

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