#2319B3#2319B3

#2319B3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.222 H 270.9°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#2319B3
RGB	rgb(35, 25, 179)
HSL	hsl(244, 75%, 40%)
HSV	hsv(244, 86%, 70%)
CMYK	cmyk(80.4%, 86%, 0%, 29.8%)
CIE-LAB	lab(24.66, 54.11, -76.62)
CIE-LCH	lch(24.66, 93.80, 305.23°)
OKLab	oklab(37.46% 0.0034 -0.2216)
OKLCH	oklch(37.46% 0.222 270.9)
XYZ	xyz(9.1747, 4.3062, 42.9867)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2319B3 #A9B319

analogous

#195CB3 #2319B3 #7019B3

triadic

#2319B3 #B32319 #19B323

tetradic

#2319B3 #B3195C #A9B319 #19B370

square

#2319B3 #B3195C #A9B319 #19B370

split-complementary

#2319B3 #B37019 #5CB319

monochromatic

#0E0A48 #18127D #2319B3 #3428E1 #675EE8

Accessibility & contrast

On white

11.28

#2319B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2319B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2319B3

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2319B3	#FFFFFF	#000000	##FFFFFF
##2319B3	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	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: #2319b3;
/* rgb */ color: rgb(35, 25, 179);
/* oklch */ color: oklch(37.5% 0.222 270.9);

Tailwind

colors: {
  custom: {
    50: '#7b5ccb',
    500: '#2319b3',
    950: '#000000',
  },
}

SCSS

$custom: #2319b3;
$custom-light: #7b5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2319b3",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 179
  },
  "hsl": {
    "h": 243.896,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.37461,
    "c": 0.22167,
    "h": 270.9
  },
  "luminance": 0.04307
}

Semantic roles & 50–950 ramp

primary

#2319B3

secondary

#C5CC5B

accent

#F236E6

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2319B3

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

Preview Lab → · Contrast checker → · Palette generator →