#1D4752#1D4752

#1D4752 is a dark, muted cyan. Relative luminance 0.054; OKLCH L 37.3% C 0.050 H 217.5°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D4752
RGB	rgb(29, 71, 82)
HSL	hsl(192, 48%, 22%)
HSV	hsv(192, 65%, 32%)
CMYK	cmyk(64.6%, 13.4%, 0%, 67.8%)
CIE-LAB	lab(27.78, -10.80, -10.96)
CIE-LCH	lch(27.78, 15.39, 225.44°)
OKLab	oklab(37.32% -0.0396 -0.0304)
OKLCH	oklch(37.32% 0.05 217.5)
XYZ	xyz(4.2823, 5.3765, 8.7931)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4752 #52281D

analogous

#1D5243 #1D4752 #1D2D52

triadic

#1D4752 #521D47 #47521D

tetradic

#1D4752 #431D52 #52281D #2D521D

square

#1D4752 #431D52 #52281D #2D521D

split-complementary

#1D4752 #521D2D #52431D

monochromatic

#081417 #0D2025 #1D4752 #2D6E7F #3D95AC

Accessibility & contrast

On white

10.12

#1D4752 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1D4752 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4752

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4752	#FFFFFF	#000000	##FFFFFF
##1D4752	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404553

Deuteranopia (green-blind)

#383F52

Tritanopia (blue-blind)

#004B4A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d4752;
/* rgb */ color: rgb(29, 71, 82);
/* oklch */ color: oklch(37.3% 0.050 217.5);

Tailwind

colors: {
  custom: {
    50: '#5f7a82',
    500: '#1d4752',
    950: '#000000',
  },
}

SCSS

$custom: #1d4752;
$custom-light: #5f7a82;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4752",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 82
  },
  "hsl": {
    "h": 192.453,
    "s": 47.748,
    "l": 21.765
  },
  "oklch": {
    "l": 0.37315,
    "c": 0.04995,
    "h": 217.5
  },
  "luminance": 0.05377
}

Semantic roles & 50–950 ramp

primary

#1D4752

secondary

#875244

accent

#6C50D7

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#05090A

muted

#797B7C

Preview Lab

Preview with #1D4752

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

Preview Lab → · Contrast checker → · Palette generator →