#1D4489#1D4489

#1D4489 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.124 H 260.8°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D4489
RGB	rgb(29, 68, 137)
HSL	hsl(218, 65%, 33%)
HSV	hsv(218, 79%, 54%)
CMYK	cmyk(78.8%, 50.4%, 0%, 46.3%)
CIE-LAB	lab(29.91, 12.55, -42.46)
CIE-LCH	lch(29.91, 44.28, 286.47°)
OKLab	oklab(39.99% -0.0197 -0.122)
OKLCH	oklch(39.99% 0.124 260.8)
XYZ	xyz(7.0875, 6.2008, 24.4854)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4489 #89621D

analogous

#1D7A89 #1D4489 #2C1D89

triadic

#1D4489 #891D44 #44891D

tetradic

#1D4489 #891D7A #89621D #1D892C

square

#1D4489 #891D7A #89621D #1D892C

split-complementary

#1D4489 #892C1D #7A891D

monochromatic

#081224 #122B56 #1D4489 #285DBC #487CD8

Accessibility & contrast

On white

9.37

#1D4489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1D4489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4489

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4489	#FFFFFF	#000000	##FFFFFF
##1D4489	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4C8C

Deuteranopia (green-blind)

#004288

Tritanopia (blue-blind)

#005560

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4489;
/* rgb */ color: rgb(29, 68, 137);
/* oklch */ color: oklch(40.0% 0.124 260.8);

Tailwind

colors: {
  custom: {
    50: '#6a77ac',
    500: '#1d4489',
    950: '#000000',
  },
}

SCSS

$custom: #1d4489;
$custom-light: #6a77ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4489",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 137
  },
  "hsl": {
    "h": 218.333,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39992,
    "c": 0.12363,
    "h": 260.8
  },
  "luminance": 0.06202
}

Semantic roles & 50–950 ramp

primary

#1D4489

secondary

#BA9147

accent

#AB40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4489

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

Preview Lab → · Contrast checker → · Palette generator →