#1D19B3#1D19B3

#1D19B3 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.2% C 0.223 H 269.2°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D19B3
RGB	rgb(29, 25, 179)
HSL	hsl(242, 75%, 40%)
HSV	hsv(242, 86%, 70%)
CMYK	cmyk(83.8%, 86%, 0%, 29.8%)
CIE-LAB	lab(24.35, 53.86, -77.13)
CIE-LCH	lch(24.35, 94.07, 304.92°)
OKLab	oklab(37.17% -0.0031 -0.2232)
OKLCH	oklch(37.17% 0.223 269.2)
XYZ	xyz(8.9882, 4.2101, 42.9780)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D19B3 #AFB319

analogous

#1962B3 #1D19B3 #6A19B3

triadic

#1D19B3 #B31D19 #19B31D

tetradic

#1D19B3 #B31962 #AFB319 #19B36A

square

#1D19B3 #B31962 #AFB319 #19B36A

split-complementary

#1D19B3 #B36A19 #62B319

monochromatic

#0C0A48 #14127D #1D19B3 #2D28E1 #615EE8

Accessibility & contrast

On white

11.40

#1D19B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1D19B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D19B3

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D19B3	#FFFFFF	#000000	##FFFFFF
##1D19B3	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d19b3;
/* rgb */ color: rgb(29, 25, 179);
/* oklch */ color: oklch(37.2% 0.223 269.2);

Tailwind

colors: {
  custom: {
    50: '#795ccb',
    500: '#1d19b3',
    950: '#000000',
  },
}

SCSS

$custom: #1d19b3;
$custom-light: #795ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d19b3",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 179
  },
  "hsl": {
    "h": 241.558,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.37169,
    "c": 0.22323,
    "h": 269.2
  },
  "luminance": 0.04211
}

Semantic roles & 50–950 ramp

primary

#1D19B3

secondary

#CACC5B

accent

#F236ED

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #1D19B3

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

Preview Lab → · Contrast checker → · Palette generator →