#2519B3#2519B3

#2519B3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.6% C 0.221 H 271.5°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2519B3
RGB	rgb(37, 25, 179)
HSL	hsl(245, 75%, 40%)
HSV	hsv(245, 86%, 70%)
CMYK	cmyk(79.3%, 86%, 0%, 29.8%)
CIE-LAB	lab(24.77, 54.20, -76.43)
CIE-LCH	lch(24.77, 93.70, 305.34°)
OKLab	oklab(37.57% 0.0058 -0.2211)
OKLCH	oklch(37.57% 0.221 271.5)
XYZ	xyz(9.2445, 4.3422, 42.9900)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2519B3 #A7B319

analogous

#195AB3 #2519B3 #7219B3

triadic

#2519B3 #B32519 #19B325

tetradic

#2519B3 #B3195A #A7B319 #19B372

square

#2519B3 #B3195A #A7B319 #19B372

split-complementary

#2519B3 #B37219 #5AB319

monochromatic

#0F0A48 #1A127D #2519B3 #3728E1 #695EE8

Accessibility & contrast

On white

11.24

#2519B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2519B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2519B3

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2519B3	#FFFFFF	#000000	##FFFFFF
##2519B3	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)

#0042B7

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2519b3;
/* rgb */ color: rgb(37, 25, 179);
/* oklch */ color: oklch(37.6% 0.221 271.5);

Tailwind

colors: {
  custom: {
    50: '#7b5ccb',
    500: '#2519b3',
    950: '#000000',
  },
}

SCSS

$custom: #2519b3;
$custom-light: #7b5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2519b3",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 179
  },
  "hsl": {
    "h": 244.675,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.37569,
    "c": 0.22114,
    "h": 271.5
  },
  "luminance": 0.04343
}

Semantic roles & 50–950 ramp

primary

#2519B3

secondary

#C4CC5B

accent

#F236E3

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2519B3

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

Preview Lab → · Contrast checker → · Palette generator →