#1F5789#1F5789

#1F5789 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.6% C 0.101 H 249.1°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F5789
RGB	rgb(31, 87, 137)
HSL	hsl(208, 63%, 33%)
HSV	hsv(208, 77%, 54%)
CMYK	cmyk(77.4%, 36.5%, 0%, 46.3%)
CIE-LAB	lab(35.82, 0.14, -33.02)
CIE-LCH	lch(35.82, 33.02, 270.24°)
OKLab	oklab(44.59% -0.0359 -0.0939)
OKLCH	oklch(44.59% 0.101 249.1)
XYZ	xyz(8.4869, 8.9129, 24.9351)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5789 #89511F

analogous

#1F8986 #1F5789 #1F2289

triadic

#1F5789 #891F57 #57891F

tetradic

#1F5789 #861F89 #89511F #22891F

square

#1F5789 #861F89 #89511F #22891F

split-complementary

#1F5789 #891F22 #89861F

monochromatic

#081825 #143757 #1F5789 #2A77BB #4C95D6

Accessibility & contrast

On white

7.55

#1F5789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#1F5789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5789

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5789	#FFFFFF	#000000	##FFFFFF
##1F5789	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405A8B

Deuteranopia (green-blind)

#305088

Tritanopia (blue-blind)

#006369

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f5789;
/* rgb */ color: rgb(31, 87, 137);
/* oklch */ color: oklch(44.6% 0.101 249.1);

Tailwind

colors: {
  custom: {
    50: '#6b86ab',
    500: '#1f5789',
    950: '#000000',
  },
}

SCSS

$custom: #1f5789;
$custom-light: #6b86ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5789",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 137
  },
  "hsl": {
    "h": 208.302,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44593,
    "c": 0.10058,
    "h": 249.1
  },
  "luminance": 0.08914
}

Semantic roles & 50–950 ramp

primary

#1F5789

secondary

#B97F4B

accent

#8F42E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1F5789

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

Preview Lab → · Contrast checker → · Palette generator →