#1F5487#1F5487

#1F5487 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.7% C 0.101 H 250.6°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F5487
RGB	rgb(31, 84, 135)
HSL	hsl(209, 63%, 33%)
HSV	hsv(209, 77%, 53%)
CMYK	cmyk(77%, 37.8%, 0%, 47.1%)
CIE-LAB	lab(34.76, 1.29, -33.47)
CIE-LCH	lch(34.76, 33.50, 272.21°)
OKLab	oklab(43.73% -0.0336 -0.0953)
OKLCH	oklch(43.73% 0.101 250.6)
XYZ	xyz(8.1069, 8.3803, 24.1073)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5487 #87521F

analogous

#1F8786 #1F5487 #1F2087

triadic

#1F5487 #871F54 #54871F

tetradic

#1F5487 #861F87 #87521F #20871F

square

#1F5487 #861F87 #87521F #20871F

split-complementary

#1F5487 #871F20 #87861F

monochromatic

#081623 #143555 #1F5487 #2A73B9 #4B92D6

Accessibility & contrast

On white

7.85

#1F5487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1F5487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5487

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5487	#FFFFFF	#000000	##FFFFFF
##1F5487	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5789

Deuteranopia (green-blind)

#2D4D86

Tritanopia (blue-blind)

#006067

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f5487;
/* rgb */ color: rgb(31, 84, 135);
/* oklch */ color: oklch(43.7% 0.101 250.6);

Tailwind

colors: {
  custom: {
    50: '#6a83aa',
    500: '#1f5487',
    950: '#000000',
  },
}

SCSS

$custom: #1f5487;
$custom-light: #6a83aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5487",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 135
  },
  "hsl": {
    "h": 209.423,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4373,
    "c": 0.10104,
    "h": 250.6
  },
  "luminance": 0.08381
}

Semantic roles & 50–950 ramp

primary

#1F5487

secondary

#B8804A

accent

#9242E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1F5487

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

Preview Lab → · Contrast checker → · Palette generator →