#1F4472#1F4472

#1F4472 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.4% C 0.089 H 255.2°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#1F4472
RGB	rgb(31, 68, 114)
HSL	hsl(213, 57%, 28%)
HSV	hsv(213, 73%, 45%)
CMYK	cmyk(72.8%, 40.4%, 0%, 55.3%)
CIE-LAB	lab(28.49, 3.60, -30.37)
CIE-LCH	lch(28.49, 30.58, 276.76°)
OKLab	oklab(38.42% -0.0229 -0.0865)
OKLCH	oklch(38.42% 0.089 255.2)
XYZ	xyz(5.6683, 5.6399, 16.7062)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4472 #724D1F

analogous

#1F6D72 #1F4472 #231F72

triadic

#1F4472 #721F44 #44721F

tetradic

#1F4472 #721F6D #724D1F #1F7223

square

#1F4472 #721F6D #724D1F #1F7223

split-complementary

#1F4472 #72231F #6D721F

monochromatic

#070E18 #122742 #1F4472 #2C61A2 #407ECB

Accessibility & contrast

On white

9.87

#1F4472 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1F4472 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4472

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4472	#FFFFFF	#000000	##FFFFFF
##1F4472	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4774

Deuteranopia (green-blind)

#234071

Tritanopia (blue-blind)

#004F55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f4472;
/* rgb */ color: rgb(31, 68, 114);
/* oklch */ color: oklch(38.4% 0.089 255.2);

Tailwind

colors: {
  custom: {
    50: '#66779b',
    500: '#1f4472',
    950: '#000000',
  },
}

SCSS

$custom: #1f4472;
$custom-light: #66779b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4472",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 114
  },
  "hsl": {
    "h": 213.253,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38425,
    "c": 0.08948,
    "h": 255.2
  },
  "luminance": 0.0564
}

Semantic roles & 50–950 ramp

primary

#1F4472

secondary

#A67C47

accent

#9C47E0

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1F4472

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

Preview Lab → · Contrast checker → · Palette generator →