#2C309F#2C309F

#2C309F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.175 H 273.1°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#2C309F
RGB	rgb(44, 48, 159)
HSL	hsl(238, 57%, 40%)
HSV	hsv(238, 72%, 62%)
CMYK	cmyk(72.3%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(27.16, 36.24, -60.40)
CIE-LCH	lch(27.16, 70.43, 300.97°)
OKLab	oklab(38.71% 0.0096 -0.1746)
OKLCH	oklch(38.71% 0.175 273.1)
XYZ	xyz(8.3516, 5.1518, 33.3484)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C309F #9F9B2C

analogous

#2C6A9F #2C309F #622C9F

triadic

#2C309F #9F2C30 #309F2C

tetradic

#2C309F #9F2C6A #9F9B2C #2C9F62

square

#2C309F #9F2C6A #9F9B2C #2C9F62

split-complementary

#2C309F #9F622C #6A9F2C

monochromatic

#11133F #1F226F #2C309F #3E43CA #6E72D7

Accessibility & contrast

On white

10.34

#2C309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2C309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C309F

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C309F	#FFFFFF	#000000	##FFFFFF
##2C309F	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2c309f;
/* rgb */ color: rgb(44, 48, 159);
/* oklch */ color: oklch(38.7% 0.175 273.1);

Tailwind

colors: {
  custom: {
    50: '#7769bc',
    500: '#2c309f',
    950: '#000000',
  },
}

SCSS

$custom: #2c309f;
$custom-light: #7769bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c309f",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 237.913,
    "s": 56.65,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38712,
    "c": 0.17488,
    "h": 273.1
  },
  "luminance": 0.05153
}

Semantic roles & 50–950 ramp

primary

#2C309F

secondary

#BEBB69

accent

#DB48E0

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2C309F

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

Preview Lab → · Contrast checker → · Palette generator →