#1D409E#1D409E

#1D409E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.158 H 264.7°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#1D409E
RGB	rgb(29, 64, 158)
HSL	hsl(224, 69%, 37%)
HSV	hsv(224, 82%, 62%)
CMYK	cmyk(81.6%, 59.5%, 0%, 38%)
CIE-LAB	lab(30.39, 23.72, -54.53)
CIE-LCH	lch(30.39, 59.47, 293.51°)
OKLab	oklab(40.86% -0.0147 -0.1576)
OKLCH	oklch(40.86% 0.158 264.7)
XYZ	xyz(8.5095, 6.3956, 33.1271)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D409E #9E7B1D

analogous

#1D819E #1D409E #3B1D9E

triadic

#1D409E #9E1D40 #409E1D

tetradic

#1D409E #9E1D81 #9E7B1D #1D9E3B

square

#1D409E #9E1D81 #9E7B1D #1D9E3B

split-complementary

#1D409E #9E3B1D #819E1D

monochromatic

#0A1637 #142B6A #1D409E #2655D2 #567BE0

Accessibility & contrast

On white

9.21

#1D409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1D409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D409E

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D409E	#FFFFFF	#000000	##FFFFFF
##1D409E	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d409e;
/* rgb */ color: rgb(29, 64, 158);
/* oklch */ color: oklch(40.9% 0.158 264.7);

Tailwind

colors: {
  custom: {
    50: '#7074bb',
    500: '#1d409e',
    950: '#000000',
  },
}

SCSS

$custom: #1d409e;
$custom-light: #7074bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d409e",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 223.721,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40863,
    "c": 0.15831,
    "h": 264.7
  },
  "luminance": 0.06397
}

Semantic roles & 50–950 ramp

primary

#1D409E

secondary

#C3A554

accent

#BC3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D409E

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

Preview Lab → · Contrast checker → · Palette generator →