#1D429C#1D429C

#1D429C is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.153 H 263.9°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D429C
RGB	rgb(29, 66, 156)
HSL	hsl(223, 69%, 36%)
HSV	hsv(223, 81%, 61%)
CMYK	cmyk(81.4%, 57.7%, 0%, 38.8%)
CIE-LAB	lab(30.78, 21.57, -52.69)
CIE-LCH	lch(30.78, 56.93, 292.26°)
OKLab	oklab(41.1% -0.0162 -0.1522)
OKLCH	oklch(41.1% 0.153 263.9)
XYZ	xyz(8.4535, 6.5569, 32.2661)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D429C #9C771D

analogous

#1D829C #1D429C #381D9C

triadic

#1D429C #9C1D42 #429C1D

tetradic

#1D429C #9C1D82 #9C771D #1D9C38

square

#1D429C #9C1D82 #9C771D #1D9C38

split-complementary

#1D429C #9C381D #829C1D

monochromatic

#0A1635 #132C68 #1D429C #2758D0 #547DDF

Accessibility & contrast

On white

9.08

#1D429C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1D429C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D429C

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D429C	#FFFFFF	#000000	##FFFFFF
##1D429C	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9F

Deuteranopia (green-blind)

#00439A

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d429c;
/* rgb */ color: rgb(29, 66, 156);
/* oklch */ color: oklch(41.1% 0.153 263.9);

Tailwind

colors: {
  custom: {
    50: '#6f75ba',
    500: '#1d429c',
    950: '#000000',
  },
}

SCSS

$custom: #1d429c;
$custom-light: #6f75ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d429c",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 156
  },
  "hsl": {
    "h": 222.52,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41103,
    "c": 0.15303,
    "h": 263.9
  },
  "luminance": 0.06558
}

Semantic roles & 50–950 ramp

primary

#1D429C

secondary

#C2A252

accent

#B83CEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D429C

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

Preview Lab → · Contrast checker → · Palette generator →