#1D41A0#1D41A0

#1D41A0 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.2% C 0.160 H 264.5°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D41A0
RGB	rgb(29, 65, 160)
HSL	hsl(224, 69%, 37%)
HSV	hsv(224, 82%, 63%)
CMYK	cmyk(81.9%, 59.4%, 0%, 37.3%)
CIE-LAB	lab(30.83, 23.83, -55.03)
CIE-LCH	lch(30.83, 59.97, 293.42°)
OKLab	oklab(41.24% -0.0153 -0.159)
OKLCH	oklch(41.24% 0.16 264.5)
XYZ	xyz(8.7399, 6.5788, 34.0601)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D41A0 #A07C1D

analogous

#1D83A0 #1D41A0 #3A1DA0

triadic

#1D41A0 #A01D41 #41A01D

tetradic

#1D41A0 #A01D83 #A07C1D #1DA03A

square

#1D41A0 #A01D83 #A07C1D #1DA03A

split-complementary

#1D41A0 #A03A1D #83A01D

monochromatic

#0A1738 #142C6C #1D41A0 #2656D4 #577DE1

Accessibility & contrast

On white

9.07

#1D41A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1D41A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D41A0

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D41A0	#FFFFFF	#000000	##FFFFFF
##1D41A0	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00439E

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d41a0;
/* rgb */ color: rgb(29, 65, 160);
/* oklch */ color: oklch(41.2% 0.160 264.5);

Tailwind

colors: {
  custom: {
    50: '#7075bd',
    500: '#1d41a0',
    950: '#000000',
  },
}

SCSS

$custom: #1d41a0;
$custom-light: #7075bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d41a0",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 160
  },
  "hsl": {
    "h": 223.511,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41244,
    "c": 0.15978,
    "h": 264.5
  },
  "luminance": 0.0658
}

Semantic roles & 50–950 ramp

primary

#1D41A0

secondary

#C4A555

accent

#BC3CEC

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D41A0

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

Preview Lab → · Contrast checker → · Palette generator →