#1D408E#1D408E

#1D408E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.136 H 263.3°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D408E
RGB	rgb(29, 64, 142)
HSL	hsl(221, 66%, 34%)
HSV	hsv(221, 80%, 56%)
CMYK	cmyk(79.6%, 54.9%, 0%, 44.3%)
CIE-LAB	lab(29.11, 17.33, -46.85)
CIE-LCH	lch(29.11, 49.95, 290.30°)
OKLab	oklab(39.5% -0.0158 -0.135)
OKLCH	oklch(39.5% 0.136 263.3)
XYZ	xyz(7.2208, 5.8802, 26.3404)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D408E #8E6B1D

analogous

#1D788E #1D408E #321D8E

triadic

#1D408E #8E1D40 #408E1D

tetradic

#1D408E #8E1D78 #8E6B1D #1D8E32

square

#1D408E #8E1D78 #8E6B1D #1D8E32

split-complementary

#1D408E #8E321D #788E1D

monochromatic

#081228 #13295B #1D408E #2757C1 #4B77DA

Accessibility & contrast

On white

9.65

#1D408E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1D408E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D408E

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D408E	#FFFFFF	#000000	##FFFFFF
##1D408E	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014A91

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d408e;
/* rgb */ color: rgb(29, 64, 142);
/* oklch */ color: oklch(39.5% 0.136 263.3);

Tailwind

colors: {
  custom: {
    50: '#6c74b0',
    500: '#1d408e',
    950: '#000000',
  },
}

SCSS

$custom: #1d408e;
$custom-light: #6c74b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d408e",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 142
  },
  "hsl": {
    "h": 221.416,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.39496,
    "c": 0.13595,
    "h": 263.3
  },
  "luminance": 0.05881
}

Semantic roles & 50–950 ramp

primary

#1D408E

secondary

#BD994A

accent

#B43FE9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #1D408E

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

Preview Lab → · Contrast checker → · Palette generator →