#1F384A#1F384A

#1F384A is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.9% C 0.045 H 241.2°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F384A
RGB	rgb(31, 56, 74)
HSL	hsl(205, 41%, 21%)
HSV	hsv(205, 58%, 29%)
CMYK	cmyk(58.1%, 24.3%, 0%, 71%)
CIE-LAB	lab(22.35, -3.61, -14.02)
CIE-LCH	lch(22.35, 14.47, 255.57°)
OKLab	oklab(32.9% -0.0215 -0.0391)
OKLCH	oklch(32.9% 0.045 241.2)
XYZ	xyz(3.2148, 3.6138, 7.0054)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F384A #4A311F

analogous

#1F4A46 #1F384A #1F224A

triadic

#1F384A #4A1F38 #384A1F

tetradic

#1F384A #461F4A #4A311F #224A1F

square

#1F384A #461F4A #4A311F #224A1F

split-complementary

#1F384A #4A1F22 #4A461F

monochromatic

#091016 #0D171F #1F384A #315975 #4379A0

Accessibility & contrast

On white

12.19

#1F384A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1F384A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F384A

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F384A	#FFFFFF	#000000	##FFFFFF
##1F384A	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30384B

Deuteranopia (green-blind)

#2A334A

Tritanopia (blue-blind)

#063C3E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f384a;
/* rgb */ color: rgb(31, 56, 74);
/* oklch */ color: oklch(32.9% 0.045 241.2);

Tailwind

colors: {
  custom: {
    50: '#5e6e7c',
    500: '#1f384a',
    950: '#000000',
  },
}

SCSS

$custom: #1f384a;
$custom-light: #5e6e7c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f384a",
  "rgb": {
    "r": 31,
    "g": 56,
    "b": 74
  },
  "hsl": {
    "h": 205.116,
    "s": 40.952,
    "l": 20.588
  },
  "oklch": {
    "l": 0.32899,
    "c": 0.04462,
    "h": 241.2
  },
  "luminance": 0.03614
}

Semantic roles & 50–950 ramp

primary

#1F384A

secondary

#7F5E46

accent

#8A57D1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #1F384A

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

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