#1D408A#1D408A

#1D408A is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.2% C 0.130 H 262.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D408A
RGB	rgb(29, 64, 138)
HSL	hsl(221, 65%, 33%)
HSV	hsv(221, 79%, 54%)
CMYK	cmyk(79%, 53.6%, 0%, 45.9%)
CIE-LAB	lab(28.80, 15.72, -44.87)
CIE-LCH	lch(28.80, 47.54, 289.31°)
OKLab	oklab(39.17% -0.0162 -0.1292)
OKLCH	oklch(39.17% 0.13 262.8)
XYZ	xyz(6.9259, 5.7622, 24.7870)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D408A #8A671D

analogous

#1D768A #1D408A #311D8A

triadic

#1D408A #8A1D40 #408A1D

tetradic

#1D408A #8A1D76 #8A671D #1D8A31

square

#1D408A #8A1D76 #8A671D #1D8A31

split-complementary

#1D408A #8A311D #768A1D

monochromatic

#081125 #122957 #1D408A #2857BD #4977D9

Accessibility & contrast

On white

9.76

#1D408A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1D408A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D408A

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D408A	#FFFFFF	#000000	##FFFFFF
##1D408A	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C498D

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d408a;
/* rgb */ color: rgb(29, 64, 138);
/* oklch */ color: oklch(39.2% 0.130 262.8);

Tailwind

colors: {
  custom: {
    50: '#6b74ad',
    500: '#1d408a',
    950: '#000000',
  },
}

SCSS

$custom: #1d408a;
$custom-light: #6b74ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d408a",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 138
  },
  "hsl": {
    "h": 220.734,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39169,
    "c": 0.13024,
    "h": 262.8
  },
  "luminance": 0.05763
}

Semantic roles & 50–950 ramp

primary

#1D408A

secondary

#BB9648

accent

#B240E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D408A

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

Preview Lab → · Contrast checker → · Palette generator →