#1D41A4#1D41A4

#1D41A4 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.165 H 264.7°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D41A4
RGB	rgb(29, 65, 164)
HSL	hsl(224, 70%, 38%)
HSV	hsv(224, 82%, 64%)
CMYK	cmyk(82.3%, 60.4%, 0%, 35.7%)
CIE-LAB	lab(31.16, 25.41, -56.89)
CIE-LCH	lch(31.16, 62.31, 294.07°)
OKLab	oklab(41.6% -0.0152 -0.1645)
OKLCH	oklch(41.6% 0.165 264.7)
XYZ	xyz(9.0955, 6.7210, 35.9327)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D41A4 #A4801D

analogous

#1D84A4 #1D41A4 #3C1DA4

triadic

#1D41A4 #A41D41 #41A41D

tetradic

#1D41A4 #A41D84 #A4801D #1DA43C

square

#1D41A4 #A41D84 #A4801D #1DA43C

split-complementary

#1D41A4 #A43C1D #84A41D

monochromatic

#0B183C #142C70 #1D41A4 #2656D8 #5A7EE2

Accessibility & contrast

On white

8.96

#1D41A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1D41A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D41A4

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D41A4	#FFFFFF	#000000	##FFFFFF
##1D41A4	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0043A2

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d41a4;
/* rgb */ color: rgb(29, 65, 164);
/* oklch */ color: oklch(41.6% 0.165 264.7);

Tailwind

colors: {
  custom: {
    50: '#7175c0',
    500: '#1d41a4',
    950: '#000000',
  },
}

SCSS

$custom: #1d41a4;
$custom-light: #7175c0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d41a4",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 164
  },
  "hsl": {
    "h": 224,
    "s": 69.948,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41599,
    "c": 0.16523,
    "h": 264.7
  },
  "luminance": 0.06722
}

Semantic roles & 50–950 ramp

primary

#1D41A4

secondary

#C6A857

accent

#BD3BED

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D41A4

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

Preview Lab → · Contrast checker → · Palette generator →