#1D4D73#1D4D73

#1D4D73 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.7% C 0.082 H 245.8°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D73
RGB	rgb(29, 77, 115)
HSL	hsl(207, 60%, 28%)
HSV	hsv(207, 75%, 45%)
CMYK	cmyk(74.8%, 33%, 0%, 54.9%)
CIE-LAB	lab(31.36, -2.29, -26.46)
CIE-LCH	lch(31.36, 26.56, 265.06°)
OKLab	oklab(40.68% -0.0337 -0.0749)
OKLCH	oklch(40.68% 0.082 245.8)
XYZ	xyz(6.2539, 6.8061, 17.2004)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D73 #73431D

analogous

#1D736E #1D4D73 #1D2273

triadic

#1D4D73 #731D4D #4D731D

tetradic

#1D4D73 #6E1D73 #73431D #22731D

square

#1D4D73 #6E1D73 #73431D #22731D

split-complementary

#1D4D73 #731D22 #736E1D

monochromatic

#061018 #112C42 #1D4D73 #296EA4 #3C8ECE

Accessibility & contrast

On white

8.89

#1D4D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D4D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D73

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D73	#FFFFFF	#000000	##FFFFFF
##1D4D73	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4E75

Deuteranopia (green-blind)

#304672

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4d73;
/* rgb */ color: rgb(29, 77, 115);
/* oklch */ color: oklch(40.7% 0.082 245.8);

Tailwind

colors: {
  custom: {
    50: '#657e9b',
    500: '#1d4d73',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d73;
$custom-light: #657e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d73",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 115
  },
  "hsl": {
    "h": 206.512,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40677,
    "c": 0.08216,
    "h": 245.8
  },
  "luminance": 0.06807
}

Semantic roles & 50–950 ramp

primary

#1D4D73

secondary

#A77045

accent

#8B45E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1D4D73

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

Preview Lab → · Contrast checker → · Palette generator →