#1D229D#1D229D

#1D229D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.191 H 269.9°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D229D
RGB	rgb(29, 34, 157)
HSL	hsl(238, 69%, 36%)
HSV	hsv(238, 82%, 62%)
CMYK	cmyk(81.5%, 78.3%, 0%, 38.4%)
CIE-LAB	lab(23.13, 42.52, -65.86)
CIE-LCH	lch(23.13, 78.39, 302.85°)
OKLab	oklab(35.54% -0.0004 -0.1908)
OKLCH	oklch(35.54% 0.191 269.9)
XYZ	xyz(7.1624, 3.8388, 32.2552)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D229D #9D981D

analogous

#1D629D #1D229D #581D9D

triadic

#1D229D #9D1D22 #229D1D

tetradic

#1D229D #9D1D62 #9D981D #1D9D58

square

#1D229D #9D1D62 #9D981D #1D9D58

split-complementary

#1D229D #9D581D #629D1D

monochromatic

#0A0C36 #131769 #1D229D #272DD1 #555AE0

Accessibility & contrast

On white

11.88

#1D229D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D229D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D229D

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D229D	#FFFFFF	#000000	##FFFFFF
##1D229D	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00319B

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d229d;
/* rgb */ color: rgb(29, 34, 157);
/* oklch */ color: oklch(35.5% 0.191 269.9);

Tailwind

colors: {
  custom: {
    50: '#725fbb',
    500: '#1d229d',
    950: '#000000',
  },
}

SCSS

$custom: #1d229d;
$custom-light: #725fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d229d",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 157
  },
  "hsl": {
    "h": 237.656,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35544,
    "c": 0.19076,
    "h": 269.9
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#1D229D

secondary

#C3BE53

accent

#E53CEC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1D229D

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

Preview Lab → · Contrast checker → · Palette generator →