#2518B4#2518B4

#2518B4 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.6% C 0.223 H 271.5°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2518B4
RGB	rgb(37, 24, 180)
HSL	hsl(245, 76%, 40%)
HSV	hsv(245, 87%, 71%)
CMYK	cmyk(79.4%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(24.77, 54.89, -77.03)
CIE-LCH	lch(24.77, 94.59, 305.47°)
OKLab	oklab(37.6% 0.0057 -0.2228)
OKLCH	oklch(37.6% 0.223 271.5)
XYZ	xyz(9.3250, 4.3408, 43.5176)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2518B4 #A7B418

analogous

#1859B4 #2518B4 #7318B4

triadic

#2518B4 #B42518 #18B425

tetradic

#2518B4 #B41859 #A7B418 #18B473

square

#2518B4 #B41859 #A7B418 #18B473

split-complementary

#2518B4 #B47318 #59B418

monochromatic

#0F0A48 #1A117E #2518B4 #3727E2 #695DE9

Accessibility & contrast

On white

11.24

#2518B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2518B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2518B4

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2518B4	#FFFFFF	#000000	##FFFFFF
##2518B4	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	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: #2518b4;
/* rgb */ color: rgb(37, 24, 180);
/* oklch */ color: oklch(37.6% 0.223 271.5);

Tailwind

colors: {
  custom: {
    50: '#7b5ccc',
    500: '#2518b4',
    950: '#000000',
  },
}

SCSS

$custom: #2518b4;
$custom-light: #7b5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2518b4",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 245,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.37602,
    "c": 0.22285,
    "h": 271.5
  },
  "luminance": 0.04342
}

Semantic roles & 50–950 ramp

primary

#2518B4

secondary

#C4CD5B

accent

#F335E3

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2518B4

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

Preview Lab → · Contrast checker → · Palette generator →