#1D4663#1D4663

#1D4663 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.9% C 0.068 H 242.3°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D4663
RGB	rgb(29, 70, 99)
HSL	hsl(205, 55%, 25%)
HSV	hsv(205, 71%, 39%)
CMYK	cmyk(70.7%, 29.3%, 0%, 61.2%)
CIE-LAB	lab(28.23, -3.93, -21.24)
CIE-LCH	lch(28.23, 21.60, 259.51°)
OKLab	oklab(37.93% -0.0314 -0.0598)
OKLCH	oklch(37.93% 0.068 242.3)
XYZ	xyz(4.9481, 5.5419, 12.6109)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4663 #633A1D

analogous

#1D635D #1D4663 #1D2363

triadic

#1D4663 #631D46 #46631D

tetradic

#1D4663 #5D1D63 #633A1D #23631D

square

#1D4663 #5D1D63 #633A1D #23631D

split-complementary

#1D4663 #631D23 #635D1D

monochromatic

#071118 #0F2534 #1D4663 #2B6792 #3989C2

Accessibility & contrast

On white

9.96

#1D4663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1D4663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4663

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4663	#FFFFFF	#000000	##FFFFFF
##1D4663	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394664

Deuteranopia (green-blind)

#2F4062

Tritanopia (blue-blind)

#004D50

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d4663;
/* rgb */ color: rgb(29, 70, 99);
/* oklch */ color: oklch(37.9% 0.068 242.3);

Tailwind

colors: {
  custom: {
    50: '#62798f',
    500: '#1d4663',
    950: '#000000',
  },
}

SCSS

$custom: #1d4663;
$custom-light: #62798f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4663",
  "rgb": {
    "r": 29,
    "g": 70,
    "b": 99
  },
  "hsl": {
    "h": 204.857,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37927,
    "c": 0.06757,
    "h": 242.3
  },
  "luminance": 0.05542
}

Semantic roles & 50–950 ramp

primary

#1D4663

secondary

#986744

accent

#874ADE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1D4663

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

Preview Lab → · Contrast checker → · Palette generator →