#1F4972#1F4972

#1F4972 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.7% C 0.084 H 250.3°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#1F4972
RGB	rgb(31, 73, 114)
HSL	hsl(210, 57%, 28%)
HSV	hsv(210, 73%, 45%)
CMYK	cmyk(72.8%, 36%, 0%, 55.3%)
CIE-LAB	lab(30.09, 0.26, -27.84)
CIE-LCH	lch(30.09, 27.84, 270.54°)
OKLab	oklab(39.68% -0.0283 -0.079)
OKLCH	oklch(39.68% 0.084 250.3)
XYZ	xyz(5.9837, 6.2707, 16.8113)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4972 #72481F

analogous

#1F7271 #1F4972 #1F1F72

triadic

#1F4972 #721F49 #49721F

tetradic

#1F4972 #711F72 #72481F #1F721F

square

#1F4972 #711F72 #72481F #1F721F

split-complementary

#1F4972 #721F1F #72711F

monochromatic

#070F18 #122A42 #1F4972 #2C68A2 #4087CB

Accessibility & contrast

On white

9.32

#1F4972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1F4972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4972

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4972	#FFFFFF	#000000	##FFFFFF
##1F4972	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374B74

Deuteranopia (green-blind)

#2B4371

Tritanopia (blue-blind)

#005358

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4972;
/* rgb */ color: rgb(31, 73, 114);
/* oklch */ color: oklch(39.7% 0.084 250.3);

Tailwind

colors: {
  custom: {
    50: '#667b9b',
    500: '#1f4972',
    950: '#000000',
  },
}

SCSS

$custom: #1f4972;
$custom-light: #667b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4972",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 114
  },
  "hsl": {
    "h": 209.639,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39676,
    "c": 0.08391,
    "h": 250.3
  },
  "luminance": 0.06271
}

Semantic roles & 50–950 ramp

primary

#1F4972

secondary

#A67647

accent

#9347E0

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1F4972

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

Preview Lab → · Contrast checker → · Palette generator →