#1F5689#1F5689

#1F5689 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.102 H 249.9°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F5689
RGB	rgb(31, 86, 137)
HSL	hsl(209, 63%, 33%)
HSV	hsv(209, 77%, 54%)
CMYK	cmyk(77.4%, 37.2%, 0%, 46.3%)
CIE-LAB	lab(35.50, 0.78, -33.52)
CIE-LCH	lch(35.50, 33.53, 271.33°)
OKLab	oklab(44.35% -0.035 -0.0954)
OKLCH	oklch(44.35% 0.102 249.9)
XYZ	xyz(8.4065, 8.7521, 24.9083)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5689 #89521F

analogous

#1F8987 #1F5689 #1F2189

triadic

#1F5689 #891F56 #56891F

tetradic

#1F5689 #871F89 #89521F #21891F

square

#1F5689 #871F89 #89521F #21891F

split-complementary

#1F5689 #891F21 #89871F

monochromatic

#081725 #143757 #1F5689 #2A75BB #4C94D6

Accessibility & contrast

On white

7.63

#1F5689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1F5689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5689

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5689	#FFFFFF	#000000	##FFFFFF
##1F5689	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E598B

Deuteranopia (green-blind)

#2F4F88

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1f5689;
/* rgb */ color: rgb(31, 86, 137);
/* oklch */ color: oklch(44.3% 0.102 249.9);

Tailwind

colors: {
  custom: {
    50: '#6b85ac',
    500: '#1f5689',
    950: '#000000',
  },
}

SCSS

$custom: #1f5689;
$custom-light: #6b85ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5689",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 137
  },
  "hsl": {
    "h": 208.868,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44347,
    "c": 0.10161,
    "h": 249.9
  },
  "luminance": 0.08753
}

Semantic roles & 50–950 ramp

primary

#1F5689

secondary

#B9804B

accent

#9142E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1F5689

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

Preview Lab → · Contrast checker → · Palette generator →