#1D429F#1D429F

#1D429F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.157 H 264.2°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#1D429F
RGB	rgb(29, 66, 159)
HSL	hsl(223, 69%, 37%)
HSV	hsv(223, 82%, 62%)
CMYK	cmyk(81.8%, 58.5%, 0%, 37.6%)
CIE-LAB	lab(31.02, 22.76, -54.11)
CIE-LCH	lch(31.02, 58.70, 292.81°)
OKLab	oklab(41.36% -0.016 -0.1563)
OKLCH	oklch(41.36% 0.157 264.2)
XYZ	xyz(8.7107, 6.6598, 33.6205)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D429F #9F7A1D

analogous

#1D839F #1D429F #391D9F

triadic

#1D429F #9F1D42 #429F1D

tetradic

#1D429F #9F1D83 #9F7A1D #1D9F39

square

#1D429F #9F1D83 #9F7A1D #1D9F39

split-complementary

#1D429F #9F391D #839F1D

monochromatic

#0A1737 #142D6B #1D429F #2657D3 #567DE0

Accessibility & contrast

On white

9.00

#1D429F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D429F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D429F

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D429F	#FFFFFF	#000000	##FFFFFF
##1D429F	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d429f;
/* rgb */ color: rgb(29, 66, 159);
/* oklch */ color: oklch(41.4% 0.157 264.2);

Tailwind

colors: {
  custom: {
    50: '#7075bc',
    500: '#1d429f',
    950: '#000000',
  },
}

SCSS

$custom: #1d429f;
$custom-light: #7075bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d429f",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 159
  },
  "hsl": {
    "h": 222.923,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41362,
    "c": 0.15717,
    "h": 264.2
  },
  "luminance": 0.06661
}

Semantic roles & 50–950 ramp

primary

#1D429F

secondary

#C4A454

accent

#BA3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D429F

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

Preview Lab → · Contrast checker → · Palette generator →