#2C18B4#2C18B4

#2C18B4 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 38.0% C 0.221 H 273.8°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#2C18B4
RGB	rgb(44, 24, 180)
HSL	hsl(248, 76%, 40%)
HSV	hsv(248, 87%, 71%)
CMYK	cmyk(75.6%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(25.21, 55.24, -76.29)
CIE-LCH	lch(25.21, 94.19, 305.91°)
OKLab	oklab(38.02% 0.0147 -0.2205)
OKLCH	oklch(38.02% 0.221 273.8)
XYZ	xyz(9.6008, 4.4830, 43.5305)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C18B4 #A0B418

analogous

#1852B4 #2C18B4 #7A18B4

triadic

#2C18B4 #B42C18 #18B42C

tetradic

#2C18B4 #B41852 #A0B418 #18B47A

square

#2C18B4 #B41852 #A0B418 #18B47A

split-complementary

#2C18B4 #B47A18 #52B418

monochromatic

#120A48 #1F117E #2C18B4 #3F27E2 #6F5DE9

Accessibility & contrast

On white

11.07

#2C18B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2C18B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C18B4

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C18B4	#FFFFFF	#000000	##FFFFFF
##2C18B4	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)

#0043B8

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c18b4;
/* rgb */ color: rgb(44, 24, 180);
/* oklch */ color: oklch(38.0% 0.221 273.8);

Tailwind

colors: {
  custom: {
    50: '#7e5dcc',
    500: '#2c18b4',
    950: '#000000',
  },
}

SCSS

$custom: #2c18b4;
$custom-light: #7e5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c18b4",
  "rgb": {
    "r": 44,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 247.692,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.3802,
    "c": 0.22101,
    "h": 273.8
  },
  "luminance": 0.04484
}

Semantic roles & 50–950 ramp

primary

#2C18B4

secondary

#BFCD5B

accent

#F335DB

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2C18B4

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

Preview Lab → · Contrast checker → · Palette generator →