#2D18B4#2D18B4

#2D18B4 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 38.1% C 0.221 H 274.2°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#2D18B4
RGB	rgb(45, 24, 180)
HSL	hsl(248, 76%, 40%)
HSV	hsv(248, 87%, 71%)
CMYK	cmyk(75%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(25.28, 55.29, -76.17)
CIE-LCH	lch(25.28, 94.12, 305.98°)
OKLab	oklab(38.08% 0.016 -0.2202)
OKLCH	oklch(38.08% 0.221 274.2)
XYZ	xyz(9.6443, 4.5055, 43.5325)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D18B4 #9FB418

analogous

#1851B4 #2D18B4 #7B18B4

triadic

#2D18B4 #B42D18 #18B42D

tetradic

#2D18B4 #B41851 #9FB418 #18B47B

square

#2D18B4 #B41851 #9FB418 #18B47B

split-complementary

#2D18B4 #B47B18 #51B418

monochromatic

#120A48 #1F117E #2D18B4 #4027E2 #705DE9

Accessibility & contrast

On white

11.05

#2D18B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2D18B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D18B4

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D18B4	#FFFFFF	#000000	##FFFFFF
##2D18B4	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d18b4;
/* rgb */ color: rgb(45, 24, 180);
/* oklch */ color: oklch(38.1% 0.221 274.2);

Tailwind

colors: {
  custom: {
    50: '#7e5dcc',
    500: '#2d18b4',
    950: '#000000',
  },
}

SCSS

$custom: #2d18b4;
$custom-light: #7e5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d18b4",
  "rgb": {
    "r": 45,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 248.077,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.38084,
    "c": 0.22074,
    "h": 274.2
  },
  "luminance": 0.04506
}

Semantic roles & 50–950 ramp

primary

#2D18B4

secondary

#BECD5B

accent

#F335D9

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2D18B4

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

Preview Lab → · Contrast checker → · Palette generator →