#1D429B#1D429B

#1D429B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.152 H 263.9°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D429B
RGB	rgb(29, 66, 155)
HSL	hsl(222, 68%, 36%)
HSV	hsv(222, 81%, 61%)
CMYK	cmyk(81.3%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(30.70, 21.17, -52.21)
CIE-LCH	lch(30.70, 56.34, 292.07°)
OKLab	oklab(41.02% -0.0162 -0.1508)
OKLCH	oklch(41.02% 0.152 263.9)
XYZ	xyz(8.3692, 6.5232, 31.8220)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D429B #9B761D

analogous

#1D819B #1D429B #371D9B

triadic

#1D429B #9B1D42 #429B1D

tetradic

#1D429B #9B1D81 #9B761D #1D9B37

square

#1D429B #9B1D81 #9B761D #1D9B37

split-complementary

#1D429B #9B371D #819B1D

monochromatic

#0A1634 #132C67 #1D429B #2758CF #537CDF

Accessibility & contrast

On white

9.11

#1D429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1D429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D429B

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D429B	#FFFFFF	#000000	##FFFFFF
##1D429B	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d429b;
/* rgb */ color: rgb(29, 66, 155);
/* oklch */ color: oklch(41.0% 0.152 263.9);

Tailwind

colors: {
  custom: {
    50: '#6f75b9',
    500: '#1d429b',
    950: '#000000',
  },
}

SCSS

$custom: #1d429b;
$custom-light: #6f75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d429b",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 222.381,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41017,
    "c": 0.15164,
    "h": 263.9
  },
  "luminance": 0.06524
}

Semantic roles & 50–950 ramp

primary

#1D429B

secondary

#C2A152

accent

#B83CEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D429B

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

Preview Lab → · Contrast checker → · Palette generator →