#1D236A#1D236A

#1D236A is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.2% C 0.122 H 272.9°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#1D236A
RGB	rgb(29, 35, 106)
HSL	hsl(235, 57%, 26%)
HSV	hsv(235, 73%, 42%)
CMYK	cmyk(72.6%, 67%, 0%, 58.4%)
CIE-LAB	lab(17.93, 23.32, -42.25)
CIE-LCH	lch(17.93, 48.25, 298.89°)
OKLab	oklab(30.19% 0.0061 -0.1219)
OKLCH	oklch(30.19% 0.122 272.9)
XYZ	xyz(3.7084, 2.5035, 13.9207)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D236A #6A641D

analogous

#1D4A6A #1D236A #3E1D6A

triadic

#1D236A #6A1D23 #236A1D

tetradic

#1D236A #6A1D4A #6A641D #1D6A3E

square

#1D236A #6A1D4A #6A641D #1D6A3E

split-complementary

#1D236A #6A3E1D #4A6A1D

monochromatic

#070818 #10133A #1D236A #2A339A #3944C9

Accessibility & contrast

On white

13.99

#1D236A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1D236A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D236A

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D236A	#FFFFFF	#000000	##FFFFFF
##1D236A	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6C

Deuteranopia (green-blind)

#002869

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d236a;
/* rgb */ color: rgb(29, 35, 106);
/* oklch */ color: oklch(30.2% 0.122 272.9);

Tailwind

colors: {
  custom: {
    50: '#655e95',
    500: '#1d236a',
    950: '#000000',
  },
}

SCSS

$custom: #1d236a;
$custom-light: #655e95;
$custom-dark: #000000;

JSON

{
  "hex": "#1d236a",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 106
  },
  "hsl": {
    "h": 235.325,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30193,
    "c": 0.12209,
    "h": 272.9
  },
  "luminance": 0.02504
}

Semantic roles & 50–950 ramp

primary

#1D236A

secondary

#9F9844

accent

#D448E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1D236A

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

Preview Lab → · Contrast checker → · Palette generator →