#1D4755#1D4755

#1D4755 is a dark, muted cyan. Relative luminance 0.054; OKLCH L 37.5% C 0.052 H 222.8°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D4755
RGB	rgb(29, 71, 85)
HSL	hsl(195, 49%, 22%)
HSV	hsv(195, 66%, 33%)
CMYK	cmyk(65.9%, 16.5%, 0%, 66.7%)
CIE-LAB	lab(27.91, -9.74, -12.71)
CIE-LCH	lch(27.91, 16.02, 232.55°)
OKLab	oklab(37.46% -0.0382 -0.0354)
OKLCH	oklch(37.46% 0.052 222.8)
XYZ	xyz(4.3990, 5.4231, 9.4075)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4755 #552B1D

analogous

#1D5547 #1D4755 #1D2B55

triadic

#1D4755 #551D47 #47551D

tetradic

#1D4755 #471D55 #552B1D #2B551D

square

#1D4755 #471D55 #552B1D #2B551D

split-complementary

#1D4755 #551D2B #55471D

monochromatic

#081317 #0D2127 #1D4755 #2D6D83 #3C93B0

Accessibility & contrast

On white

10.07

#1D4755 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1D4755 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4755

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4755	#FFFFFF	#000000	##FFFFFF
##1D4755	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4556

Deuteranopia (green-blind)

#373F55

Tritanopia (blue-blind)

#004B4B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d4755;
/* rgb */ color: rgb(29, 71, 85);
/* oklch */ color: oklch(37.5% 0.052 222.8);

Tailwind

colors: {
  custom: {
    50: '#607a85',
    500: '#1d4755',
    950: '#000000',
  },
}

SCSS

$custom: #1d4755;
$custom-light: #607a85;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4755",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 85
  },
  "hsl": {
    "h": 195,
    "s": 49.123,
    "l": 22.353
  },
  "oklch": {
    "l": 0.37457,
    "c": 0.0521,
    "h": 222.8
  },
  "luminance": 0.05424
}

Semantic roles & 50–950 ramp

primary

#1D4755

secondary

#8A5544

accent

#724FD9

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1D4755

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

Preview Lab → · Contrast checker → · Palette generator →