#1D225A#1D225A

#1D225A is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.5% C 0.099 H 274.3°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D225A
RGB	rgb(29, 34, 90)
HSL	hsl(235, 51%, 23%)
HSV	hsv(235, 68%, 35%)
CMYK	cmyk(67.8%, 62.2%, 0%, 64.7%)
CIE-LAB	lab(16.22, 17.78, -34.47)
CIE-LCH	lch(16.22, 38.78, 297.28°)
OKLab	oklab(28.48% 0.0075 -0.0991)
OKLCH	oklch(28.48% 0.099 274.3)
XYZ	xyz(2.9236, 2.1432, 9.9305)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D225A #5A551D

analogous

#1D405A #1D225A #361D5A

triadic

#1D225A #5A1D22 #225A1D

tetradic

#1D225A #5A1D40 #5A551D #1D5A36

square

#1D225A #5A1D40 #5A551D #1D5A36

split-complementary

#1D225A #5A361D #405A1D

monochromatic

#070917 #0E112C #1D225A #2C3388 #3B45B7

Accessibility & contrast

On white

14.70

#1D225A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1D225A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D225A

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D225A	#FFFFFF	#000000	##FFFFFF
##1D225A	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5C

Deuteranopia (green-blind)

#002659

Tritanopia (blue-blind)

#00303A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1d225a;
/* rgb */ color: rgb(29, 34, 90);
/* oklch */ color: oklch(28.5% 0.099 274.3);

Tailwind

colors: {
  custom: {
    50: '#615d89',
    500: '#1d225a',
    950: '#000000',
  },
}

SCSS

$custom: #1d225a;
$custom-light: #615d89;
$custom-dark: #000000;

JSON

{
  "hex": "#1d225a",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 90
  },
  "hsl": {
    "h": 235.082,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.2848,
    "c": 0.09941,
    "h": 274.3
  },
  "luminance": 0.02143
}

Semantic roles & 50–950 ramp

primary

#1D225A

secondary

#8F8944

accent

#CF4DDB

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040B

muted

#7A797C

Preview Lab

Preview with #1D225A

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

Preview Lab → · Contrast checker → · Palette generator →