#2518B3#2518B3

#2518B3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.222 H 271.5°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#2518B3
RGB	rgb(37, 24, 179)
HSL	hsl(245, 76%, 40%)
HSV	hsv(245, 87%, 70%)
CMYK	cmyk(79.3%, 86.6%, 0%, 29.8%)
CIE-LAB	lab(24.64, 54.60, -76.65)
CIE-LCH	lch(24.64, 94.10, 305.46°)
OKLab	oklab(37.48% 0.006 -0.2217)
OKLCH	oklch(37.48% 0.222 271.5)
XYZ	xyz(9.2235, 4.3002, 42.9830)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2518B3 #A6B318

analogous

#1859B3 #2518B3 #7218B3

triadic

#2518B3 #B32518 #18B325

tetradic

#2518B3 #B31859 #A6B318 #18B372

square

#2518B3 #B31859 #A6B318 #18B372

split-complementary

#2518B3 #B37218 #59B318

monochromatic

#0F0A47 #1A117D #2518B3 #3626E2 #685CE9

Accessibility & contrast

On white

11.29

#2518B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2518B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2518B3

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2518B3	#FFFFFF	#000000	##FFFFFF
##2518B3	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2518b3;
/* rgb */ color: rgb(37, 24, 179);
/* oklch */ color: oklch(37.5% 0.222 271.5);

Tailwind

colors: {
  custom: {
    50: '#7b5ccb',
    500: '#2518b3',
    950: '#000000',
  },
}

SCSS

$custom: #2518b3;
$custom-light: #7b5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2518b3",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 179
  },
  "hsl": {
    "h": 245.032,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37479,
    "c": 0.22175,
    "h": 271.5
  },
  "luminance": 0.04301
}

Semantic roles & 50–950 ramp

primary

#2518B3

secondary

#C3CD5A

accent

#F335E3

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2518B3

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

Preview Lab → · Contrast checker → · Palette generator →