#1D4E64#1D4E64

#1D4E64 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.1% C 0.064 H 230.8°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E64
RGB	rgb(29, 78, 100)
HSL	hsl(199, 55%, 25%)
HSV	hsv(199, 71%, 39%)
CMYK	cmyk(71%, 22%, 0%, 60.8%)
CIE-LAB	lab(30.95, -8.61, -17.64)
CIE-LCH	lch(30.95, 19.63, 243.98°)
OKLab	oklab(40.11% -0.0403 -0.0494)
OKLCH	oklch(40.11% 0.064 230.8)
XYZ	xyz(5.5304, 6.6295, 13.0423)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E64 #64331D

analogous

#1D6457 #1D4E64 #1D2A64

triadic

#1D4E64 #641D4E #4E641D

tetradic

#1D4E64 #571D64 #64331D #2A641D

square

#1D4E64 #571D64 #64331D #2A641D

split-complementary

#1D4E64 #641D2A #64571D

monochromatic

#071318 #0F2935 #1D4E64 #2B7393 #3998C3

Accessibility & contrast

On white

9.03

#1D4E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E64

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E64	#FFFFFF	#000000	##FFFFFF
##1D4E64	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D65

Deuteranopia (green-blind)

#394664

Tritanopia (blue-blind)

#005455

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4e64;
/* rgb */ color: rgb(29, 78, 100);
/* oklch */ color: oklch(40.1% 0.064 230.8);

Tailwind

colors: {
  custom: {
    50: '#627f90',
    500: '#1d4e64',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e64;
$custom-light: #627f90;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e64",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 100
  },
  "hsl": {
    "h": 198.592,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.40105,
    "c": 0.0638,
    "h": 230.8
  },
  "luminance": 0.0663
}

Semantic roles & 50–950 ramp

primary

#1D4E64

secondary

#995E44

accent

#7849DE

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1D4E64

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

Preview Lab → · Contrast checker → · Palette generator →