#1D41A7#1D41A7

#1D41A7 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.169 H 264.9°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D41A7
RGB	rgb(29, 65, 167)
HSL	hsl(224, 70%, 38%)
HSV	hsv(224, 83%, 65%)
CMYK	cmyk(82.6%, 61.1%, 0%, 34.5%)
CIE-LAB	lab(31.42, 26.59, -58.28)
CIE-LCH	lch(31.42, 64.06, 294.52°)
OKLab	oklab(41.87% -0.0151 -0.1686)
OKLCH	oklch(41.87% 0.169 264.9)
XYZ	xyz(9.3696, 6.8307, 37.3764)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D41A7 #A7831D

analogous

#1D86A7 #1D41A7 #3E1DA7

triadic

#1D41A7 #A71D41 #41A71D

tetradic

#1D41A7 #A71D86 #A7831D #1DA73E

square

#1D41A7 #A71D86 #A7831D #1DA73E

split-complementary

#1D41A7 #A73E1D #86A71D

monochromatic

#0B183F #142D73 #1D41A7 #2856DA #5C7FE3

Accessibility & contrast

On white

8.87

#1D41A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1D41A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D41A7

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D41A7	#FFFFFF	#000000	##FFFFFF
##1D41A7	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AA

Deuteranopia (green-blind)

#0044A5

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d41a7;
/* rgb */ color: rgb(29, 65, 167);
/* oklch */ color: oklch(41.9% 0.169 264.9);

Tailwind

colors: {
  custom: {
    50: '#7275c2',
    500: '#1d41a7',
    950: '#000000',
  },
}

SCSS

$custom: #1d41a7;
$custom-light: #7275c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d41a7",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 167
  },
  "hsl": {
    "h": 224.348,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41869,
    "c": 0.16927,
    "h": 264.9
  },
  "luminance": 0.06832
}

Semantic roles & 50–950 ramp

primary

#1D41A7

secondary

#C7AA59

accent

#BF3BED

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D41A7

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

Preview Lab → · Contrast checker → · Palette generator →