#1D4389#1D4389

#1D4389 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.125 H 261.3°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D4389
RGB	rgb(29, 67, 137)
HSL	hsl(219, 65%, 33%)
HSV	hsv(219, 79%, 54%)
CMYK	cmyk(78.8%, 51.1%, 0%, 46.3%)
CIE-LAB	lab(29.62, 13.24, -42.94)
CIE-LCH	lch(29.62, 44.94, 287.13°)
OKLab	oklab(39.76% -0.0189 -0.1235)
OKLCH	oklch(39.76% 0.125 261.3)
XYZ	xyz(7.0276, 6.0809, 24.4654)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4389 #89631D

analogous

#1D7989 #1D4389 #2D1D89

triadic

#1D4389 #891D43 #43891D

tetradic

#1D4389 #891D79 #89631D #1D892D

square

#1D4389 #891D79 #89631D #1D892D

split-complementary

#1D4389 #892D1D #79891D

monochromatic

#081224 #122A56 #1D4389 #285CBC #487BD8

Accessibility & contrast

On white

9.47

#1D4389 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1D4389 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4389

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4389	#FFFFFF	#000000	##FFFFFF
##1D4389	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194B8C

Deuteranopia (green-blind)

#004188

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4389;
/* rgb */ color: rgb(29, 67, 137);
/* oklch */ color: oklch(39.8% 0.125 261.3);

Tailwind

colors: {
  custom: {
    50: '#6a76ac',
    500: '#1d4389',
    950: '#000000',
  },
}

SCSS

$custom: #1d4389;
$custom-light: #6a76ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4389",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 137
  },
  "hsl": {
    "h": 218.889,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39764,
    "c": 0.12491,
    "h": 261.3
  },
  "luminance": 0.06082
}

Semantic roles & 50–950 ramp

primary

#1D4389

secondary

#BA9247

accent

#AD40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4389

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

Preview Lab → · Contrast checker → · Palette generator →