#3019B4#3019B4

#3019B4 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.4% C 0.219 H 275.2°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#3019B4
RGB	rgb(48, 25, 180)
HSL	hsl(249, 76%, 40%)
HSV	hsv(249, 86%, 71%)
CMYK	cmyk(73.3%, 86.1%, 0%, 29.4%)
CIE-LAB	lab(25.62, 55.09, -75.60)
CIE-LCH	lch(25.62, 93.54, 306.08°)
OKLab	oklab(38.37% 0.0199 -0.2185)
OKLCH	oklch(38.37% 0.219 275.2)
XYZ	xyz(9.8021, 4.6180, 43.5459)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3019B4 #9DB419

analogous

#1950B4 #3019B4 #7D19B4

triadic

#3019B4 #B43019 #19B430

tetradic

#3019B4 #B41950 #9DB419 #19B47D

square

#3019B4 #B41950 #9DB419 #19B47D

split-complementary

#3019B4 #B47D19 #50B419

monochromatic

#130A49 #22127E #3019B4 #4429E1 #735FE9

Accessibility & contrast

On white

10.92

#3019B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3019B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3019B4

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3019B4	#FFFFFF	#000000	##FFFFFF
##3019B4	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3019b4;
/* rgb */ color: rgb(48, 25, 180);
/* oklch */ color: oklch(38.4% 0.219 275.2);

Tailwind

colors: {
  custom: {
    50: '#7f5dcc',
    500: '#3019b4',
    950: '#000000',
  },
}

SCSS

$custom: #3019b4;
$custom-light: #7f5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3019b4",
  "rgb": {
    "r": 48,
    "g": 25,
    "b": 180
  },
  "hsl": {
    "h": 248.903,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38373,
    "c": 0.21938,
    "h": 275.2
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#3019B4

secondary

#BCCD5C

accent

#F236D6

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3019B4

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

Preview Lab → · Contrast checker → · Palette generator →