#1D226B#1D226B

#1D226B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.1% C 0.125 H 273.1°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D226B
RGB	rgb(29, 34, 107)
HSL	hsl(236, 57%, 27%)
HSV	hsv(236, 73%, 42%)
CMYK	cmyk(72.9%, 68.2%, 0%, 58%)
CIE-LAB	lab(17.77, 24.40, -43.17)
CIE-LCH	lch(17.77, 49.59, 299.47°)
OKLab	oklab(30.1% 0.0069 -0.1247)
OKLCH	oklch(30.1% 0.125 273.1)
XYZ	xyz(3.7317, 2.4664, 14.1865)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D226B #6B661D

analogous

#1D496B #1D226B #3F1D6B

triadic

#1D226B #6B1D22 #226B1D

tetradic

#1D226B #6B1D49 #6B661D #1D6B3F

square

#1D226B #6B1D49 #6B661D #1D6B3F

split-complementary

#1D226B #6B3F1D #496B1D

monochromatic

#070818 #10133B #1D226B #2A319B #3942C9

Accessibility & contrast

On white

14.06

#1D226B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1D226B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D226B

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D226B	#FFFFFF	#000000	##FFFFFF
##1D226B	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00286A

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1d226b;
/* rgb */ color: rgb(29, 34, 107);
/* oklch */ color: oklch(30.1% 0.125 273.1);

Tailwind

colors: {
  custom: {
    50: '#655d96',
    500: '#1d226b',
    950: '#000000',
  },
}

SCSS

$custom: #1d226b;
$custom-light: #655d96;
$custom-dark: #000000;

JSON

{
  "hex": "#1d226b",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 107
  },
  "hsl": {
    "h": 236.154,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30099,
    "c": 0.12486,
    "h": 273.1
  },
  "luminance": 0.02467
}

Semantic roles & 50–950 ramp

primary

#1D226B

secondary

#A09A44

accent

#D747E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1D226B

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

Preview Lab → · Contrast checker → · Palette generator →