#1F5783#1F5783

#1F5783 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.2% C 0.093 H 246.0°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F5783
RGB	rgb(31, 87, 131)
HSL	hsl(206, 62%, 32%)
HSV	hsv(206, 76%, 51%)
CMYK	cmyk(76.3%, 33.6%, 0%, 48.6%)
CIE-LAB	lab(35.49, -2.19, -29.87)
CIE-LCH	lch(35.49, 29.95, 265.80°)
OKLab	oklab(44.23% -0.0377 -0.0847)
OKLCH	oklch(44.23% 0.093 246)
XYZ	xyz(8.0684, 8.7455, 22.7311)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5783 #834B1F

analogous

#1F837D #1F5783 #1F2583

triadic

#1F5783 #831F57 #57831F

tetradic

#1F5783 #7D1F83 #834B1F #25831F

square

#1F5783 #7D1F83 #834B1F #25831F

split-complementary

#1F5783 #831F25 #837D1F

monochromatic

#081520 #133652 #1F5783 #2B78B4 #4997D4

Accessibility & contrast

On white

7.64

#1F5783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1F5783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5783

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5783	#FFFFFF	#000000	##FFFFFF
##1F5783	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435985

Deuteranopia (green-blind)

#354F82

Tritanopia (blue-blind)

#006267

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1f5783;
/* rgb */ color: rgb(31, 87, 131);
/* oklch */ color: oklch(44.2% 0.093 246.0);

Tailwind

colors: {
  custom: {
    50: '#6986a7',
    500: '#1f5783',
    950: '#000000',
  },
}

SCSS

$custom: #1f5783;
$custom-light: #6986a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5783",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 131
  },
  "hsl": {
    "h": 206.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.44229,
    "c": 0.09276,
    "h": 246
  },
  "luminance": 0.08746
}

Semantic roles & 50–950 ramp

primary

#1F5783

secondary

#B67848

accent

#8A43E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1F5783

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

Preview Lab → · Contrast checker → · Palette generator →