#2718B4#2718B4

#2718B4 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.7% C 0.222 H 272.1°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#2718B4
RGB	rgb(39, 24, 180)
HSL	hsl(246, 76%, 40%)
HSV	hsv(246, 87%, 71%)
CMYK	cmyk(78.3%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(24.89, 54.98, -76.83)
CIE-LCH	lch(24.89, 94.48, 305.59°)
OKLab	oklab(37.71% 0.0082 -0.2222)
OKLCH	oklch(37.71% 0.222 272.1)
XYZ	xyz(9.3988, 4.3789, 43.5210)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2718B4 #A5B418

analogous

#1857B4 #2718B4 #7518B4

triadic

#2718B4 #B42718 #18B427

tetradic

#2718B4 #B41857 #A5B418 #18B475

square

#2718B4 #B41857 #A5B418 #18B475

split-complementary

#2718B4 #B47518 #57B418

monochromatic

#100A48 #1B117E #2718B4 #3927E2 #6A5DE9

Accessibility & contrast

On white

11.19

#2718B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2718B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2718B4

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2718B4	#FFFFFF	#000000	##FFFFFF
##2718B4	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2718b4;
/* rgb */ color: rgb(39, 24, 180);
/* oklch */ color: oklch(37.7% 0.222 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c5ccc',
    500: '#2718b4',
    950: '#000000',
  },
}

SCSS

$custom: #2718b4;
$custom-light: #7c5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2718b4",
  "rgb": {
    "r": 39,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 245.769,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.37715,
    "c": 0.22232,
    "h": 272.1
  },
  "luminance": 0.0438
}

Semantic roles & 50–950 ramp

primary

#2718B4

secondary

#C2CD5B

accent

#F335E1

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2718B4

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

Preview Lab → · Contrast checker → · Palette generator →