#1F4E6F#1F4E6F

#1F4E6F is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.8% C 0.075 H 242.5°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E6F
RGB	rgb(31, 78, 111)
HSL	hsl(205, 56%, 28%)
HSV	hsv(205, 72%, 44%)
CMYK	cmyk(72.1%, 29.7%, 0%, 56.5%)
CIE-LAB	lab(31.55, -4.14, -23.65)
CIE-LCH	lch(31.55, 24.01, 260.08°)
OKLab	oklab(40.78% -0.0348 -0.0667)
OKLCH	oklch(40.78% 0.075 242.5)
XYZ	xyz(6.1576, 6.8871, 16.0407)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E6F #6F401F

analogous

#1F6F68 #1F4E6F #1F266F

triadic

#1F4E6F #6F1F4E #4E6F1F

tetradic

#1F4E6F #681F6F #6F401F #266F1F

square

#1F4E6F #681F6F #6F401F #266F1F

split-complementary

#1F4E6F #6F1F26 #6F681F

monochromatic

#071118 #122C3F #1F4E6F #2C709F #3F90C9

Accessibility & contrast

On white

8.83

#1F4E6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1F4E6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E6F

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E6F	#FFFFFF	#000000	##FFFFFF
##1F4E6F	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F70

Deuteranopia (green-blind)

#34476E

Tritanopia (blue-blind)

#005659

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4e6f;
/* rgb */ color: rgb(31, 78, 111);
/* oklch */ color: oklch(40.8% 0.075 242.5);

Tailwind

colors: {
  custom: {
    50: '#657f98',
    500: '#1f4e6f',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e6f;
$custom-light: #657f98;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e6f",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 111
  },
  "hsl": {
    "h": 204.75,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.40776,
    "c": 0.07526,
    "h": 242.5
  },
  "luminance": 0.06888
}

Semantic roles & 50–950 ramp

primary

#1F4E6F

secondary

#A36D47

accent

#8748E0

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F4E6F

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

Preview Lab → · Contrast checker → · Palette generator →