#1F4973#1F4973

#1F4973 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.7% C 0.085 H 250.8°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F4973
RGB	rgb(31, 73, 115)
HSL	hsl(210, 58%, 29%)
HSV	hsv(210, 73%, 45%)
CMYK	cmyk(73%, 36.5%, 0%, 54.9%)
CIE-LAB	lab(30.14, 0.65, -28.38)
CIE-LCH	lch(30.14, 28.39, 271.32°)
OKLab	oklab(39.74% -0.028 -0.0806)
OKLCH	oklch(39.74% 0.085 250.8)
XYZ	xyz(6.0410, 6.2936, 17.1127)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4973 #73491F

analogous

#1F7373 #1F4973 #1F1F73

triadic

#1F4973 #731F49 #49731F

tetradic

#1F4973 #731F73 #73491F #1F731F

square

#1F4973 #731F73 #73491F #1F731F

split-complementary

#1F4973 #731F1F #73731F

monochromatic

#060F18 #122A43 #1F4973 #2C68A3 #4186CC

Accessibility & contrast

On white

9.30

#1F4973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1F4973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4973

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4973	#FFFFFF	#000000	##FFFFFF
##1F4973	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364B75

Deuteranopia (green-blind)

#2A4372

Tritanopia (blue-blind)

#005358

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4973;
/* rgb */ color: rgb(31, 73, 115);
/* oklch */ color: oklch(39.7% 0.085 250.8);

Tailwind

colors: {
  custom: {
    50: '#667b9b',
    500: '#1f4973',
    950: '#000000',
  },
}

SCSS

$custom: #1f4973;
$custom-light: #667b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4973",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 115
  },
  "hsl": {
    "h": 210,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39738,
    "c": 0.0853,
    "h": 250.8
  },
  "luminance": 0.06294
}

Semantic roles & 50–950 ramp

primary

#1F4973

secondary

#A77747

accent

#9447E1

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1F4973

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

Preview Lab → · Contrast checker → · Palette generator →