#1D189F#1D189F

#1D189F is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.6% C 0.201 H 270.4°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D189F
RGB	rgb(29, 24, 159)
HSL	hsl(242, 74%, 36%)
HSV	hsv(242, 85%, 62%)
CMYK	cmyk(81.8%, 84.9%, 0%, 37.6%)
CIE-LAB	lab(21.64, 48.22, -69.55)
CIE-LCH	lch(21.64, 84.63, 304.73°)
OKLab	oklab(34.58% 0.0015 -0.2013)
OKLCH	oklch(34.58% 0.201 270.4)
XYZ	xyz(7.0892, 3.4169, 33.0801)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D189F #9A9F18

analogous

#18569F #1D189F #60189F

triadic

#1D189F #9F1D18 #189F1D

tetradic

#1D189F #9F1856 #9A9F18 #189F60

square

#1D189F #9F1856 #9A9F18 #189F60

split-complementary

#1D189F #9F6018 #569F18

monochromatic

#0A0835 #13106A #1D189F #2720D4 #534DE4

Accessibility & contrast

On white

12.47

#1D189F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D189F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D189F

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D189F	#FFFFFF	#000000	##FFFFFF
##1D189F	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA3

Deuteranopia (green-blind)

#002D9D

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d189f;
/* rgb */ color: rgb(29, 24, 159);
/* oklch */ color: oklch(34.6% 0.201 270.4);

Tailwind

colors: {
  custom: {
    50: '#745abd',
    500: '#1d189f',
    950: '#000000',
  },
}

SCSS

$custom: #1d189f;
$custom-light: #745abd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d189f",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 159
  },
  "hsl": {
    "h": 242.222,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.34576,
    "c": 0.20129,
    "h": 270.4
  },
  "luminance": 0.03418
}

Semantic roles & 50–950 ramp

primary

#1D189F

secondary

#C2C64D

accent

#F037EA

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D189F

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

Preview Lab → · Contrast checker → · Palette generator →