#2C309A#2C309A

#2C309A is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.168 H 273.5°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#2C309A
RGB	rgb(44, 48, 154)
HSL	hsl(238, 56%, 39%)
HSV	hsv(238, 71%, 60%)
CMYK	cmyk(71.4%, 68.8%, 0%, 39.6%)
CIE-LAB	lab(26.68, 34.47, -58.14)
CIE-LCH	lch(26.68, 67.59, 300.67°)
OKLab	oklab(38.22% 0.0102 -0.168)
OKLCH	oklch(38.22% 0.168 273.5)
XYZ	xyz(7.9264, 4.9817, 31.1094)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C309A #9A962C

analogous

#2C679A #2C309A #5F2C9A

triadic

#2C309A #9A2C30 #309A2C

tetradic

#2C309A #9A2C67 #9A962C #2C9A5F

square

#2C309A #9A2C67 #9A962C #2C9A5F

split-complementary

#2C309A #9A5F2C #679A2C

monochromatic

#11123B #1E216A #2C309A #3C41C7 #6C6FD5

Accessibility & contrast

On white

10.52

#2C309A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2C309A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C309A

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C309A	#FFFFFF	#000000	##FFFFFF
##2C309A	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449D

Deuteranopia (green-blind)

#003A98

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2c309a;
/* rgb */ color: rgb(44, 48, 154);
/* oklch */ color: oklch(38.2% 0.168 273.5);

Tailwind

colors: {
  custom: {
    50: '#7569b9',
    500: '#2c309a',
    950: '#000000',
  },
}

SCSS

$custom: #2c309a;
$custom-light: #7569b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c309a",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 154
  },
  "hsl": {
    "h": 237.818,
    "s": 55.556,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38218,
    "c": 0.16832,
    "h": 273.5
  },
  "luminance": 0.04982
}

Semantic roles & 50–950 ramp

primary

#2C309A

secondary

#BCB966

accent

#D949DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2C309A

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

Preview Lab → · Contrast checker → · Palette generator →