#1F4E69#1F4E69

#1F4E69 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.4% C 0.068 H 237.1°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E69
RGB	rgb(31, 78, 105)
HSL	hsl(202, 54%, 27%)
HSV	hsv(202, 70%, 41%)
CMYK	cmyk(70.5%, 25.7%, 0%, 58.8%)
CIE-LAB	lab(31.25, -6.39, -20.33)
CIE-LCH	lch(31.25, 21.31, 252.54°)
OKLab	oklab(40.45% -0.037 -0.0571)
OKLCH	oklch(40.45% 0.068 237.1)
XYZ	xyz(5.8383, 6.7594, 14.3589)
Luminance	0.0676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E69 #693A1F

analogous

#1F695F #1F4E69 #1F2969

triadic

#1F4E69 #691F4E #4E691F

tetradic

#1F4E69 #5F1F69 #693A1F #29691F

square

#1F4E69 #5F1F69 #693A1F #29691F

split-complementary

#1F4E69 #691F29 #695F1F

monochromatic

#071218 #112B3A #1F4E69 #2D7198 #3D94C6

Accessibility & contrast

On white

8.93

#1F4E69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1F4E69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E69

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E69	#FFFFFF	#000000	##FFFFFF
##1F4E69	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414E6A

Deuteranopia (green-blind)

#374669

Tritanopia (blue-blind)

#005557

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4e69;
/* rgb */ color: rgb(31, 78, 105);
/* oklch */ color: oklch(40.4% 0.068 237.1);

Tailwind

colors: {
  custom: {
    50: '#647f94',
    500: '#1f4e69',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e69;
$custom-light: #647f94;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e69",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 105
  },
  "hsl": {
    "h": 201.892,
    "s": 54.412,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40445,
    "c": 0.06807,
    "h": 237.1
  },
  "luminance": 0.0676
}

Semantic roles & 50–950 ramp

primary

#1F4E69

secondary

#9D6647

accent

#804ADE

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F4E69

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

Preview Lab → · Contrast checker → · Palette generator →