#1F4E5C#1F4E5C

#1F4E5C is a dark, muted cyan. Relative luminance 0.065; OKLCH L 39.8% C 0.056 H 220.4°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E5C
RGB	rgb(31, 78, 92)
HSL	hsl(194, 50%, 24%)
HSV	hsv(194, 66%, 36%)
CMYK	cmyk(66.3%, 15.2%, 0%, 63.9%)
CIE-LAB	lab(30.67, -11.10, -12.98)
CIE-LCH	lch(30.67, 17.08, 229.46°)
OKLab	oklab(39.79% -0.0424 -0.0361)
OKLCH	oklch(39.79% 0.056 220.4)
XYZ	xyz(5.2205, 6.5123, 11.1050)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E5C #5C2D1F

analogous

#1F5C4C #1F4E5C #1F305C

triadic

#1F4E5C #5C1F4E #4E5C1F

tetradic

#1F4E5C #4C1F5C #5C2D1F #305C1F

square

#1F4E5C #4C1F5C #5C2D1F #305C1F

split-complementary

#1F4E5C #5C1F30 #5C4C1F

monochromatic

#081317 #10272E #1F4E5C #2E758A #3E9CB8

Accessibility & contrast

On white

9.12

#1F4E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1F4E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E5C

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E5C	#FFFFFF	#000000	##FFFFFF
##1F4E5C	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454C5D

Deuteranopia (green-blind)

#3D455C

Tritanopia (blue-blind)

#005352

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4e5c;
/* rgb */ color: rgb(31, 78, 92);
/* oklch */ color: oklch(39.8% 0.056 220.4);

Tailwind

colors: {
  custom: {
    50: '#627f8a',
    500: '#1f4e5c',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e5c;
$custom-light: #627f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e5c",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 92
  },
  "hsl": {
    "h": 193.77,
    "s": 49.593,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39787,
    "c": 0.05566,
    "h": 220.4
  },
  "luminance": 0.06513
}

Semantic roles & 50–950 ramp

primary

#1F4E5C

secondary

#915746

accent

#6E4FD9

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0B

muted

#7A7C7C

Preview Lab

Preview with #1F4E5C

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

Preview Lab → · Contrast checker → · Palette generator →