#1D4E73#1D4E73

#1D4E73 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.081 H 244.7°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E73
RGB	rgb(29, 78, 115)
HSL	hsl(206, 60%, 28%)
HSV	hsv(206, 75%, 45%)
CMYK	cmyk(74.8%, 32.2%, 0%, 54.9%)
CIE-LAB	lab(31.69, -2.93, -25.95)
CIE-LCH	lch(31.69, 26.11, 263.55°)
OKLab	oklab(40.93% -0.0348 -0.0734)
OKLCH	oklch(40.93% 0.081 244.7)
XYZ	xyz(6.3244, 6.9471, 17.2239)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E73 #73421D

analogous

#1D736D #1D4E73 #1D2373

triadic

#1D4E73 #731D4E #4E731D

tetradic

#1D4E73 #6D1D73 #73421D #23731D

square

#1D4E73 #6D1D73 #73421D #23731D

split-complementary

#1D4E73 #731D23 #736D1D

monochromatic

#061118 #112D42 #1D4E73 #296FA4 #3C8FCE

Accessibility & contrast

On white

8.79

#1D4E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1D4E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E73

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E73	#FFFFFF	#000000	##FFFFFF
##1D4E73	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4F75

Deuteranopia (green-blind)

#314772

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4e73;
/* rgb */ color: rgb(29, 78, 115);
/* oklch */ color: oklch(40.9% 0.081 244.7);

Tailwind

colors: {
  custom: {
    50: '#657f9b',
    500: '#1d4e73',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e73;
$custom-light: #657f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e73",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 115
  },
  "hsl": {
    "h": 205.814,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40934,
    "c": 0.08126,
    "h": 244.7
  },
  "luminance": 0.06948
}

Semantic roles & 50–950 ramp

primary

#1D4E73

secondary

#A76F45

accent

#8945E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4E73

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

Preview Lab → · Contrast checker → · Palette generator →