#1D229A#1D229A

#1D229A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.187 H 270.0°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D229A
RGB	rgb(29, 34, 154)
HSL	hsl(238, 68%, 36%)
HSV	hsv(238, 81%, 60%)
CMYK	cmyk(81.2%, 77.9%, 0%, 39.6%)
CIE-LAB	lab(22.78, 41.50, -64.59)
CIE-LCH	lch(22.78, 76.78, 302.72°)
OKLab	oklab(35.2% 0.0001 -0.1871)
OKLCH	oklch(35.2% 0.187 270)
XYZ	xyz(6.9095, 3.7376, 30.9228)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D229A #9A951D

analogous

#1D609A #1D229A #561D9A

triadic

#1D229A #9A1D22 #229A1D

tetradic

#1D229A #9A1D60 #9A951D #1D9A56

square

#1D229A #9A1D60 #9A951D #1D9A56

split-complementary

#1D229A #9A561D #609A1D

monochromatic

#0A0B33 #131766 #1D229A #272DCE #5358DF

Accessibility & contrast

On white

12.02

#1D229A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1D229A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D229A

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D229A	#FFFFFF	#000000	##FFFFFF
##1D229A	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003098

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d229a;
/* rgb */ color: rgb(29, 34, 154);
/* oklch */ color: oklch(35.2% 0.187 270.0);

Tailwind

colors: {
  custom: {
    50: '#725fb9',
    500: '#1d229a',
    950: '#000000',
  },
}

SCSS

$custom: #1d229a;
$custom-light: #725fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d229a",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 154
  },
  "hsl": {
    "h": 237.6,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35198,
    "c": 0.18709,
    "h": 270
  },
  "luminance": 0.03738
}

Semantic roles & 50–950 ramp

primary

#1D229A

secondary

#C2BD51

accent

#E43DEB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #1D229A

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

Preview Lab → · Contrast checker → · Palette generator →