#1D409F#1D409F

#1D409F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.160 H 264.7°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D409F
RGB	rgb(29, 64, 159)
HSL	hsl(224, 69%, 37%)
HSV	hsv(224, 82%, 62%)
CMYK	cmyk(81.8%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(30.47, 24.12, -55.00)
CIE-LCH	lch(30.47, 60.06, 293.68°)
OKLab	oklab(40.95% -0.0147 -0.159)
OKLCH	oklch(40.95% 0.16 264.7)
XYZ	xyz(8.5959, 6.4302, 33.5823)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D409F #9F7C1D

analogous

#1D819F #1D409F #3B1D9F

triadic

#1D409F #9F1D40 #409F1D

tetradic

#1D409F #9F1D81 #9F7C1D #1D9F3B

square

#1D409F #9F1D81 #9F7C1D #1D9F3B

split-complementary

#1D409F #9F3B1D #819F1D

monochromatic

#0A1637 #142B6B #1D409F #2655D3 #567BE0

Accessibility & contrast

On white

9.19

#1D409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1D409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D409F

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D409F	#FFFFFF	#000000	##FFFFFF
##1D409F	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d409f;
/* rgb */ color: rgb(29, 64, 159);
/* oklch */ color: oklch(41.0% 0.160 264.7);

Tailwind

colors: {
  custom: {
    50: '#7074bc',
    500: '#1d409f',
    950: '#000000',
  },
}

SCSS

$custom: #1d409f;
$custom-light: #7074bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d409f",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 223.846,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40952,
    "c": 0.15968,
    "h": 264.7
  },
  "luminance": 0.06431
}

Semantic roles & 50–950 ramp

primary

#1D409F

secondary

#C4A654

accent

#BD3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D409F

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

Preview Lab → · Contrast checker → · Palette generator →