#1F4772#1F4772

#1F4772 is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 39.2% C 0.086 H 252.3°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F4772
RGB	rgb(31, 71, 114)
HSL	hsl(211, 57%, 28%)
HSV	hsv(211, 73%, 45%)
CMYK	cmyk(72.8%, 37.7%, 0%, 55.3%)
CIE-LAB	lab(29.44, 1.59, -28.85)
CIE-LCH	lch(29.44, 28.90, 273.15°)
OKLab	oklab(39.17% -0.0261 -0.082)
OKLCH	oklch(39.17% 0.086 252.3)
XYZ	xyz(5.8544, 6.0121, 16.7682)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4772 #724A1F

analogous

#1F7072 #1F4772 #201F72

triadic

#1F4772 #721F47 #47721F

tetradic

#1F4772 #721F70 #724A1F #1F7220

square

#1F4772 #721F70 #724A1F #1F7220

split-complementary

#1F4772 #72201F #70721F

monochromatic

#070F18 #122942 #1F4772 #2C65A2 #4083CB

Accessibility & contrast

On white

9.53

#1F4772 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1F4772 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4772

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4772	#FFFFFF	#000000	##FFFFFF
##1F4772	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344A74

Deuteranopia (green-blind)

#284271

Tritanopia (blue-blind)

#005157

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f4772;
/* rgb */ color: rgb(31, 71, 114);
/* oklch */ color: oklch(39.2% 0.086 252.3);

Tailwind

colors: {
  custom: {
    50: '#66799b',
    500: '#1f4772',
    950: '#000000',
  },
}

SCSS

$custom: #1f4772;
$custom-light: #66799b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4772",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 114
  },
  "hsl": {
    "h": 211.084,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39173,
    "c": 0.08605,
    "h": 252.3
  },
  "luminance": 0.06013
}

Semantic roles & 50–950 ramp

primary

#1F4772

secondary

#A67847

accent

#9747E0

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1F4772

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

Preview Lab → · Contrast checker → · Palette generator →