#1D409A#1D409A

#1D409A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.153 H 264.4°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D409A
RGB	rgb(29, 64, 154)
HSL	hsl(223, 68%, 36%)
HSV	hsv(223, 81%, 60%)
CMYK	cmyk(81.2%, 58.4%, 0%, 39.6%)
CIE-LAB	lab(30.06, 22.14, -52.64)
CIE-LCH	lch(30.06, 57.11, 292.81°)
OKLab	oklab(40.51% -0.0149 -0.1521)
OKLCH	oklch(40.51% 0.153 264.4)
XYZ	xyz(8.1708, 6.2601, 31.3433)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D409A #9A771D

analogous

#1D7E9A #1D409A #381D9A

triadic

#1D409A #9A1D40 #409A1D

tetradic

#1D409A #9A1D7E #9A771D #1D9A38

square

#1D409A #9A1D7E #9A771D #1D9A38

split-complementary

#1D409A #9A381D #7E9A1D

monochromatic

#0A1533 #132B66 #1D409A #2755CE #537ADF

Accessibility & contrast

On white

9.32

#1D409A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1D409A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D409A

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D409A	#FFFFFF	#000000	##FFFFFF
##1D409A	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d409a;
/* rgb */ color: rgb(29, 64, 154);
/* oklch */ color: oklch(40.5% 0.153 264.4);

Tailwind

colors: {
  custom: {
    50: '#6f74b9',
    500: '#1d409a',
    950: '#000000',
  },
}

SCSS

$custom: #1d409a;
$custom-light: #6f74b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d409a",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 154
  },
  "hsl": {
    "h": 223.2,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40513,
    "c": 0.1528,
    "h": 264.4
  },
  "luminance": 0.06261
}

Semantic roles & 50–950 ramp

primary

#1D409A

secondary

#C2A251

accent

#BA3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #1D409A

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

Preview Lab → · Contrast checker → · Palette generator →