#2C308A#2C308A

#2C308A is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.147 H 274.6°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#2C308A
RGB	rgb(44, 48, 138)
HSL	hsl(237, 52%, 36%)
HSV	hsv(237, 68%, 54%)
CMYK	cmyk(68.1%, 65.2%, 0%, 45.9%)
CIE-LAB	lab(25.21, 28.73, -50.68)
CIE-LCH	lch(25.21, 58.26, 299.54°)
OKLab	oklab(36.69% 0.0117 -0.1462)
OKLCH	oklch(36.69% 0.147 274.6)
XYZ	xyz(6.6816, 4.4838, 24.5532)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C308A #8A862C

analogous

#2C5F8A #2C308A #572C8A

triadic

#2C308A #8A2C30 #308A2C

tetradic

#2C308A #8A2C5F #8A862C #2C8A57

square

#2C308A #8A2C5F #8A862C #2C8A57

split-complementary

#2C308A #8A572C #5F8A2C

monochromatic

#0E102D #1D205C #2C308A #3B40B8 #6368CD

Accessibility & contrast

On white

11.07

#2C308A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2C308A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C308A

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C308A	#FFFFFF	#000000	##FFFFFF
##2C308A	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c308a;
/* rgb */ color: rgb(44, 48, 138);
/* oklch */ color: oklch(36.7% 0.147 274.6);

Tailwind

colors: {
  custom: {
    50: '#7268ad',
    500: '#2c308a',
    950: '#000000',
  },
}

SCSS

$custom: #2c308a;
$custom-light: #7268ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2c308a",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 138
  },
  "hsl": {
    "h": 237.447,
    "s": 51.648,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36694,
    "c": 0.14665,
    "h": 274.6
  },
  "luminance": 0.04484
}

Semantic roles & 50–950 ramp

primary

#2C308A

secondary

#B4B05E

accent

#D54DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2C308A

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

Preview Lab → · Contrast checker → · Palette generator →