#1F394A#1F394A

#1F394A is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.044 H 238.7°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#1F394A
RGB	rgb(31, 57, 74)
HSL	hsl(204, 41%, 21%)
HSV	hsv(204, 58%, 29%)
CMYK	cmyk(58.1%, 23%, 0%, 71%)
CIE-LAB	lab(22.69, -4.27, -13.49)
CIE-LCH	lch(22.69, 14.15, 252.44°)
OKLab	oklab(33.17% -0.0229 -0.0376)
OKLCH	oklch(33.17% 0.044 238.7)
XYZ	xyz(3.2638, 3.7117, 7.0217)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F394A #4A301F

analogous

#1F4A45 #1F394A #1F234A

triadic

#1F394A #4A1F39 #394A1F

tetradic

#1F394A #451F4A #4A301F #234A1F

square

#1F394A #451F4A #4A301F #234A1F

split-complementary

#1F394A #4A1F23 #4A451F

monochromatic

#091116 #0D181F #1F394A #315A75 #437BA0

Accessibility & contrast

On white

12.05

#1F394A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1F394A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F394A

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F394A	#FFFFFF	#000000	##FFFFFF
##1F394A	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394B

Deuteranopia (green-blind)

#2B344A

Tritanopia (blue-blind)

#063D3F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f394a;
/* rgb */ color: rgb(31, 57, 74);
/* oklch */ color: oklch(33.2% 0.044 238.7);

Tailwind

colors: {
  custom: {
    50: '#5e6f7c',
    500: '#1f394a',
    950: '#000000',
  },
}

SCSS

$custom: #1f394a;
$custom-light: #5e6f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f394a",
  "rgb": {
    "r": 31,
    "g": 57,
    "b": 74
  },
  "hsl": {
    "h": 203.721,
    "s": 40.952,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3317,
    "c": 0.04401,
    "h": 238.7
  },
  "luminance": 0.03712
}

Semantic roles & 50–950 ramp

primary

#1F394A

secondary

#7F5C46

accent

#8757D1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #1F394A

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

Preview Lab → · Contrast checker → · Palette generator →