#1D4373#1D4373

#1D4373 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.2% C 0.093 H 255.6°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#1D4373
RGB	rgb(29, 67, 115)
HSL	hsl(213, 60%, 28%)
HSV	hsv(213, 75%, 45%)
CMYK	cmyk(74.8%, 41.7%, 0%, 54.9%)
CIE-LAB	lab(28.15, 4.35, -31.54)
CIE-LCH	lch(28.15, 31.84, 277.85°)
OKLab	oklab(38.16% -0.0232 -0.09)
OKLCH	oklch(38.16% 0.093 255.6)
XYZ	xyz(5.6072, 5.5127, 16.9849)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4373 #734D1D

analogous

#1D6E73 #1D4373 #221D73

triadic

#1D4373 #731D43 #43731D

tetradic

#1D4373 #731D6E #734D1D #1D7322

square

#1D4373 #731D6E #734D1D #1D7322

split-complementary

#1D4373 #73221D #6E731D

monochromatic

#060E18 #112742 #1D4373 #295FA4 #3C7DCE

Accessibility & contrast

On white

9.99

#1D4373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1D4373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4373

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4373	#FFFFFF	#000000	##FFFFFF
##1D4373	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4775

Deuteranopia (green-blind)

#1F3F72

Tritanopia (blue-blind)

#004E55

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d4373;
/* rgb */ color: rgb(29, 67, 115);
/* oklch */ color: oklch(38.2% 0.093 255.6);

Tailwind

colors: {
  custom: {
    50: '#65769b',
    500: '#1d4373',
    950: '#000000',
  },
}

SCSS

$custom: #1d4373;
$custom-light: #65769b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4373",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 115
  },
  "hsl": {
    "h": 213.488,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3816,
    "c": 0.0929,
    "h": 255.6
  },
  "luminance": 0.05513
}

Semantic roles & 50–950 ramp

primary

#1D4373

secondary

#A77C45

accent

#9D45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4373

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

Preview Lab → · Contrast checker → · Palette generator →