#1F445C#1F445C

#1F445C is a dark, muted cyan. Relative luminance 0.052; OKLCH L 37.1% C 0.059 H 239.5°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F445C
RGB	rgb(31, 68, 92)
HSL	hsl(204, 50%, 24%)
HSV	hsv(204, 66%, 36%)
CMYK	cmyk(66.3%, 26.1%, 0%, 63.9%)
CIE-LAB	lab(27.29, -4.87, -18.19)
CIE-LCH	lch(27.29, 18.83, 254.99°)
OKLab	oklab(37.1% -0.03 -0.051)
OKLCH	oklch(37.1% 0.059 239.5)
XYZ	xyz(4.5632, 5.1978, 10.8859)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F445C #5C371F

analogous

#1F5C56 #1F445C #1F265C

triadic

#1F445C #5C1F44 #445C1F

tetradic

#1F445C #561F5C #5C371F #265C1F

square

#1F445C #561F5C #5C371F #265C1F

split-complementary

#1F445C #5C1F26 #5C561F

monochromatic

#081117 #10222E #1F445C #2E668A #3E88B8

Accessibility & contrast

On white

10.30

#1F445C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1F445C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F445C

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F445C	#FFFFFF	#000000	##FFFFFF
##1F445C	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445D

Deuteranopia (green-blind)

#313E5C

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1f445c;
/* rgb */ color: rgb(31, 68, 92);
/* oklch */ color: oklch(37.1% 0.059 239.5);

Tailwind

colors: {
  custom: {
    50: '#61778a',
    500: '#1f445c',
    950: '#000000',
  },
}

SCSS

$custom: #1f445c;
$custom-light: #61778a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f445c",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 92
  },
  "hsl": {
    "h": 203.607,
    "s": 49.593,
    "l": 24.118
  },
  "oklch": {
    "l": 0.37095,
    "c": 0.05922,
    "h": 239.5
  },
  "luminance": 0.05198
}

Semantic roles & 50–950 ramp

primary

#1F445C

secondary

#916346

accent

#854FD9

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #1F445C

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

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