#1D429E#1D429E

#1D429E is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.3% C 0.156 H 264.1°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D429E
RGB	rgb(29, 66, 158)
HSL	hsl(223, 69%, 37%)
HSV	hsv(223, 82%, 62%)
CMYK	cmyk(81.6%, 58.2%, 0%, 38%)
CIE-LAB	lab(30.94, 22.36, -53.64)
CIE-LCH	lch(30.94, 58.11, 292.63°)
OKLab	oklab(41.28% -0.016 -0.155)
OKLCH	oklch(41.28% 0.156 264.1)
XYZ	xyz(8.6243, 6.6252, 33.1654)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D429E #9E791D

analogous

#1D839E #1D429E #391D9E

triadic

#1D429E #9E1D42 #429E1D

tetradic

#1D429E #9E1D83 #9E791D #1D9E39

square

#1D429E #9E1D83 #9E791D #1D9E39

split-complementary

#1D429E #9E391D #839E1D

monochromatic

#0A1737 #142C6A #1D429E #2658D2 #567DE0

Accessibility & contrast

On white

9.03

#1D429E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D429E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D429E

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D429E	#FFFFFF	#000000	##FFFFFF
##1D429E	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d429e;
/* rgb */ color: rgb(29, 66, 158);
/* oklch */ color: oklch(41.3% 0.156 264.1);

Tailwind

colors: {
  custom: {
    50: '#7075bb',
    500: '#1d429e',
    950: '#000000',
  },
}

SCSS

$custom: #1d429e;
$custom-light: #7075bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d429e",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 158
  },
  "hsl": {
    "h": 222.791,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41275,
    "c": 0.15579,
    "h": 264.1
  },
  "luminance": 0.06626
}

Semantic roles & 50–950 ramp

primary

#1D429E

secondary

#C3A354

accent

#B93CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D429E

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

Preview Lab → · Contrast checker → · Palette generator →