#1D2275#1D2275

#1D2275 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.1% C 0.139 H 272.4°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D2275
RGB	rgb(29, 34, 117)
HSL	hsl(237, 60%, 29%)
HSV	hsv(237, 75%, 46%)
CMYK	cmyk(75.2%, 70.9%, 0%, 54.1%)
CIE-LAB	lab(18.75, 28.20, -48.03)
CIE-LCH	lch(18.75, 55.69, 300.42°)
OKLab	oklab(31.12% 0.0059 -0.1389)
OKLCH	oklch(31.12% 0.139 272.4)
XYZ	xyz(4.2885, 2.6892, 17.1192)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2275 #75701D

analogous

#1D4E75 #1D2275 #441D75

triadic

#1D2275 #751D22 #22751D

tetradic

#1D2275 #751D4E #75701D #1D7544

square

#1D2275 #751D4E #75701D #1D7544

split-complementary

#1D2275 #75441D #4E751D

monochromatic

#060719 #111444 #1D2275 #2930A6 #3D46CF

Accessibility & contrast

On white

13.65

#1D2275 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D2275 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2275

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2275	#FFFFFF	#000000	##FFFFFF
##1D2275	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003278

Deuteranopia (green-blind)

#002973

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2275;
/* rgb */ color: rgb(29, 34, 117);
/* oklch */ color: oklch(31.1% 0.139 272.4);

Tailwind

colors: {
  custom: {
    50: '#685d9e',
    500: '#1d2275',
    950: '#000000',
  },
}

SCSS

$custom: #1d2275;
$custom-light: #685d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2275",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 117
  },
  "hsl": {
    "h": 236.591,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31119,
    "c": 0.13899,
    "h": 272.4
  },
  "luminance": 0.0269
}

Semantic roles & 50–950 ramp

primary

#1D2275

secondary

#A9A345

accent

#DA44E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2275

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

Preview Lab → · Contrast checker → · Palette generator →