#1D4189#1D4189

#1D4189 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.127 H 262.3°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D4189
RGB	rgb(29, 65, 137)
HSL	hsl(220, 65%, 33%)
HSV	hsv(220, 79%, 54%)
CMYK	cmyk(78.8%, 52.6%, 0%, 46.3%)
CIE-LAB	lab(29.02, 14.62, -43.90)
CIE-LCH	lch(29.02, 46.27, 288.42°)
OKLab	oklab(39.31% -0.0172 -0.1263)
OKLCH	oklch(39.31% 0.127 262.3)
XYZ	xyz(6.9107, 5.8472, 24.4265)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4189 #89651D

analogous

#1D7789 #1D4189 #2F1D89

triadic

#1D4189 #891D41 #41891D

tetradic

#1D4189 #891D77 #89651D #1D892F

square

#1D4189 #891D77 #89651D #1D892F

split-complementary

#1D4189 #892F1D #77891D

monochromatic

#081124 #122956 #1D4189 #2859BC #4878D8

Accessibility & contrast

On white

9.68

#1D4189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1D4189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4189

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4189	#FFFFFF	#000000	##FFFFFF
##1D4189	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124A8C

Deuteranopia (green-blind)

#004088

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4189;
/* rgb */ color: rgb(29, 65, 137);
/* oklch */ color: oklch(39.3% 0.127 262.3);

Tailwind

colors: {
  custom: {
    50: '#6a75ac',
    500: '#1d4189',
    950: '#000000',
  },
}

SCSS

$custom: #1d4189;
$custom-light: #6a75ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4189",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 137
  },
  "hsl": {
    "h": 220,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39312,
    "c": 0.12749,
    "h": 262.3
  },
  "luminance": 0.05848
}

Semantic roles & 50–950 ramp

primary

#1D4189

secondary

#BA9447

accent

#B040E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4189

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

Preview Lab → · Contrast checker → · Palette generator →