#1D439A#1D439A

#1D439A is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.149 H 263.4°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#1D439A
RGB	rgb(29, 67, 154)
HSL	hsl(222, 68%, 36%)
HSV	hsv(222, 81%, 60%)
CMYK	cmyk(81.2%, 56.5%, 0%, 39.6%)
CIE-LAB	lab(30.90, 20.08, -51.28)
CIE-LCH	lch(30.90, 55.07, 291.39°)
OKLab	oklab(41.14% -0.017 -0.148)
OKLCH	oklch(41.14% 0.149 263.4)
XYZ	xyz(8.3445, 6.6076, 31.4012)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D439A #9A741D

analogous

#1D819A #1D439A #351D9A

triadic

#1D439A #9A1D43 #439A1D

tetradic

#1D439A #9A1D81 #9A741D #1D9A35

square

#1D439A #9A1D81 #9A741D #1D9A35

split-complementary

#1D439A #9A351D #819A1D

monochromatic

#0A1633 #132D66 #1D439A #2759CE #537DDF

Accessibility & contrast

On white

9.04

#1D439A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1D439A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D439A

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D439A	#FFFFFF	#000000	##FFFFFF
##1D439A	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9D

Deuteranopia (green-blind)

#004398

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d439a;
/* rgb */ color: rgb(29, 67, 154);
/* oklch */ color: oklch(41.1% 0.149 263.4);

Tailwind

colors: {
  custom: {
    50: '#6f76b8',
    500: '#1d439a',
    950: '#000000',
  },
}

SCSS

$custom: #1d439a;
$custom-light: #6f76b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d439a",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 154
  },
  "hsl": {
    "h": 221.76,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41143,
    "c": 0.14898,
    "h": 263.4
  },
  "luminance": 0.06609
}

Semantic roles & 50–950 ramp

primary

#1D439A

secondary

#C29F51

accent

#B63DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D439A

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

Preview Lab → · Contrast checker → · Palette generator →