#1D405D#1D405D

#1D405D is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.065 H 246.0°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#1D405D
RGB	rgb(29, 64, 93)
HSL	hsl(207, 52%, 24%)
HSV	hsv(207, 69%, 36%)
CMYK	cmyk(68.8%, 31.2%, 0%, 63.5%)
CIE-LAB	lab(25.92, -2.30, -20.98)
CIE-LCH	lch(25.92, 21.11, 263.74°)
OKLab	oklab(36% -0.0264 -0.0592)
OKLCH	oklch(36% 0.065 246)
XYZ	xyz(4.3151, 4.7179, 11.0370)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D405D #5D3A1D

analogous

#1D5D5A #1D405D #1D205D

triadic

#1D405D #5D1D40 #405D1D

tetradic

#1D405D #5A1D5D #5D3A1D #205D1D

square

#1D405D #5A1D5D #5D3A1D #205D1D

split-complementary

#1D405D #5D1D20 #5D5A1D

monochromatic

#071017 #0E202E #1D405D #2C608C #3A80BA

Accessibility & contrast

On white

10.80

#1D405D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1D405D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D405D

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D405D	#FFFFFF	#000000	##FFFFFF
##1D405D	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33415E

Deuteranopia (green-blind)

#2B3B5C

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d405d;
/* rgb */ color: rgb(29, 64, 93);
/* oklch */ color: oklch(36.0% 0.065 246.0);

Tailwind

colors: {
  custom: {
    50: '#61748b',
    500: '#1d405d',
    950: '#000000',
  },
}

SCSS

$custom: #1d405d;
$custom-light: #61748b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d405d",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 93
  },
  "hsl": {
    "h": 207.188,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.36001,
    "c": 0.06481,
    "h": 246
  },
  "luminance": 0.04718
}

Semantic roles & 50–950 ramp

primary

#1D405D

secondary

#926744

accent

#8D4CDC

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1D405D

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

Preview Lab → · Contrast checker → · Palette generator →