#1D41AD#1D41AD

#1D41AD is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.177 H 265.1°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#1D41AD
RGB	rgb(29, 65, 173)
HSL	hsl(225, 71%, 40%)
HSV	hsv(225, 83%, 68%)
CMYK	cmyk(83.2%, 62.4%, 0%, 32.2%)
CIE-LAB	lab(31.94, 28.92, -61.02)
CIE-LCH	lch(31.94, 67.53, 295.36°)
OKLab	oklab(42.42% -0.015 -0.1766)
OKLCH	oklch(42.42% 0.177 265.1)
XYZ	xyz(9.9371, 7.0577, 40.3656)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D41AD #AD891D

analogous

#1D89AD #1D41AD #411DAD

triadic

#1D41AD #AD1D41 #41AD1D

tetradic

#1D41AD #AD1D89 #AD891D #1DAD41

square

#1D41AD #AD1D89 #AD891D #1DAD41

split-complementary

#1D41AD #AD411D #89AD1D

monochromatic

#0B1A44 #142D79 #1D41AD #2C58DC #6081E4

Accessibility & contrast

On white

8.71

#1D41AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D41AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D41AD

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D41AD	#FFFFFF	#000000	##FFFFFF
##1D41AD	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B1

Deuteranopia (green-blind)

#0045AB

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d41ad;
/* rgb */ color: rgb(29, 65, 173);
/* oklch */ color: oklch(42.4% 0.177 265.1);

Tailwind

colors: {
  custom: {
    50: '#7475c6',
    500: '#1d41ad',
    950: '#000000',
  },
}

SCSS

$custom: #1d41ad;
$custom-light: #7475c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d41ad",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 173
  },
  "hsl": {
    "h": 225,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42416,
    "c": 0.17727,
    "h": 265.1
  },
  "luminance": 0.07059
}

Semantic roles & 50–950 ramp

primary

#1D41AD

secondary

#C9AE5D

accent

#C13AEE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1D41AD

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

Preview Lab → · Contrast checker → · Palette generator →