#2C309E#2C309E

#2C309E is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.174 H 273.2°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#2C309E
RGB	rgb(44, 48, 158)
HSL	hsl(238, 56%, 40%)
HSV	hsv(238, 72%, 62%)
CMYK	cmyk(72.2%, 69.6%, 0%, 38%)
CIE-LAB	lab(27.07, 35.89, -59.95)
CIE-LCH	lch(27.07, 69.87, 300.91°)
OKLab	oklab(38.61% 0.0097 -0.1733)
OKLCH	oklch(38.61% 0.174 273.2)
XYZ	xyz(8.2651, 5.1172, 32.8933)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C309E #9E9A2C

analogous

#2C699E #2C309E #612C9E

triadic

#2C309E #9E2C30 #309E2C

tetradic

#2C309E #9E2C69 #9E9A2C #2C9E61

square

#2C309E #9E2C69 #9E9A2C #2C9E61

split-complementary

#2C309E #9E612C #699E2C

monochromatic

#11133E #1F216E #2C309E #3E43C9 #6E72D7

Accessibility & contrast

On white

10.38

#2C309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2C309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C309E

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C309E	#FFFFFF	#000000	##FFFFFF
##2C309E	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#003B9C

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2c309e;
/* rgb */ color: rgb(44, 48, 158);
/* oklch */ color: oklch(38.6% 0.174 273.2);

Tailwind

colors: {
  custom: {
    50: '#7669bc',
    500: '#2c309e',
    950: '#000000',
  },
}

SCSS

$custom: #2c309e;
$custom-light: #7669bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c309e",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 237.895,
    "s": 56.436,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38612,
    "c": 0.17357,
    "h": 273.2
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#2C309E

secondary

#BEBB68

accent

#DA48E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2C309E

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

Preview Lab → · Contrast checker → · Palette generator →