#1D374F#1D374F

#1D374F is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.054 H 247.9°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D374F
RGB	rgb(29, 55, 79)
HSL	hsl(209, 46%, 21%)
HSV	hsv(209, 63%, 31%)
CMYK	cmyk(63.3%, 30.4%, 0%, 69%)
CIE-LAB	lab(22.15, -1.60, -17.67)
CIE-LCH	lch(22.15, 17.74, 264.82°)
OKLab	oklab(32.8% -0.0201 -0.0496)
OKLCH	oklch(32.8% 0.054 247.9)
XYZ	xyz(3.2837, 3.5578, 7.9093)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D374F #4F351D

analogous

#1D4F4E #1D374F #1D1E4F

triadic

#1D374F #4F1D37 #374F1D

tetradic

#1D374F #4E1D4F #4F351D #1E4F1D

square

#1D374F #4E1D4F #4F351D #1E4F1D

split-complementary

#1D374F #4F1D1E #4F4E1D

monochromatic

#081016 #0D1822 #1D374F #2D567C #3E75A9

Accessibility & contrast

On white

12.27

#1D374F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D374F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D374F

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D374F	#FFFFFF	#000000	##FFFFFF
##1D374F	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3850

Deuteranopia (green-blind)

#26334F

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d374f;
/* rgb */ color: rgb(29, 55, 79);
/* oklch */ color: oklch(32.8% 0.054 247.9);

Tailwind

colors: {
  custom: {
    50: '#5e6d80',
    500: '#1d374f',
    950: '#000000',
  },
}

SCSS

$custom: #1d374f;
$custom-light: #5e6d80;
$custom-dark: #000000;

JSON

{
  "hex": "#1d374f",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 208.8,
    "s": 46.296,
    "l": 21.176
  },
  "oklch": {
    "l": 0.32795,
    "c": 0.05357,
    "h": 247.9
  },
  "luminance": 0.03558
}

Semantic roles & 50–950 ramp

primary

#1D374F

secondary

#846344

accent

#9152D6

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #1D374F

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

Preview Lab → · Contrast checker → · Palette generator →