#2C308B#2C308B

#2C308B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.148 H 274.5°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2C308B
RGB	rgb(44, 48, 139)
HSL	hsl(237, 52%, 36%)
HSV	hsv(237, 68%, 55%)
CMYK	cmyk(68.3%, 65.5%, 0%, 45.5%)
CIE-LAB	lab(25.30, 29.09, -51.16)
CIE-LCH	lch(25.30, 58.85, 299.62°)
OKLab	oklab(36.79% 0.0116 -0.1476)
OKLCH	oklch(36.79% 0.148 274.5)
XYZ	xyz(6.7543, 4.5129, 24.9362)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C308B #8B872C

analogous

#2C5F8B #2C308B #572C8B

triadic

#2C308B #8B2C30 #308B2C

tetradic

#2C308B #8B2C5F #8B872C #2C8B57

square

#2C308B #8B2C5F #8B872C #2C8B57

split-complementary

#2C308B #8B572C #5F8B2C

monochromatic

#0F102E #1D205D #2C308B #3B40B9 #6468CE

Accessibility & contrast

On white

11.04

#2C308B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2C308B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C308B

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C308B	#FFFFFF	#000000	##FFFFFF
##2C308B	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c308b;
/* rgb */ color: rgb(44, 48, 139);
/* oklch */ color: oklch(36.8% 0.148 274.5);

Tailwind

colors: {
  custom: {
    50: '#7268ae',
    500: '#2c308b',
    950: '#000000',
  },
}

SCSS

$custom: #2c308b;
$custom-light: #7268ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2c308b",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 139
  },
  "hsl": {
    "h": 237.474,
    "s": 51.913,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36786,
    "c": 0.14804,
    "h": 274.5
  },
  "luminance": 0.04513
}

Semantic roles & 50–950 ramp

primary

#2C308B

secondary

#B4B15F

accent

#D54CDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2C308B

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

Preview Lab → · Contrast checker → · Palette generator →