#1D41A6#1D41A6

#1D41A6 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.168 H 264.8°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D41A6
RGB	rgb(29, 65, 166)
HSL	hsl(224, 70%, 38%)
HSV	hsv(224, 83%, 65%)
CMYK	cmyk(82.5%, 60.8%, 0%, 34.9%)
CIE-LAB	lab(31.33, 26.19, -57.82)
CIE-LCH	lch(31.33, 63.48, 294.37°)
OKLab	oklab(41.78% -0.0151 -0.1672)
OKLCH	oklch(41.78% 0.168 264.8)
XYZ	xyz(9.2775, 6.7939, 36.8914)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D41A6 #A6821D

analogous

#1D85A6 #1D41A6 #3E1DA6

triadic

#1D41A6 #A61D41 #41A61D

tetradic

#1D41A6 #A61D85 #A6821D #1DA63E

square

#1D41A6 #A61D85 #A6821D #1DA63E

split-complementary

#1D41A6 #A63E1D #85A61D

monochromatic

#0B183E #142D72 #1D41A6 #2756D9 #5B7FE2

Accessibility & contrast

On white

8.90

#1D41A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D41A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D41A6

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D41A6	#FFFFFF	#000000	##FFFFFF
##1D41A6	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A9

Deuteranopia (green-blind)

#0044A4

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d41a6;
/* rgb */ color: rgb(29, 65, 166);
/* oklch */ color: oklch(41.8% 0.168 264.8);

Tailwind

colors: {
  custom: {
    50: '#7275c1',
    500: '#1d41a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d41a6;
$custom-light: #7275c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d41a6",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 166
  },
  "hsl": {
    "h": 224.234,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41778,
    "c": 0.16792,
    "h": 264.8
  },
  "luminance": 0.06795
}

Semantic roles & 50–950 ramp

primary

#1D41A6

secondary

#C6A959

accent

#BE3BED

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D41A6

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

Preview Lab → · Contrast checker → · Palette generator →