#1F5688#1F5688

#1F5688 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.100 H 249.4°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F5688
RGB	rgb(31, 86, 136)
HSL	hsl(209, 63%, 33%)
HSV	hsv(209, 77%, 53%)
CMYK	cmyk(77.2%, 36.8%, 0%, 46.7%)
CIE-LAB	lab(35.45, 0.39, -33.00)
CIE-LCH	lch(35.45, 33.00, 270.67°)
OKLab	oklab(44.29% -0.0352 -0.0939)
OKLCH	oklch(44.29% 0.1 249.4)
XYZ	xyz(8.3351, 8.7235, 24.5323)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5688 #88511F

analogous

#1F8885 #1F5688 #1F2288

triadic

#1F5688 #881F56 #56881F

tetradic

#1F5688 #851F88 #88511F #22881F

square

#1F5688 #851F88 #88511F #22881F

split-complementary

#1F5688 #881F22 #88851F

monochromatic

#081724 #143656 #1F5688 #2A76BA #4B94D6

Accessibility & contrast

On white

7.65

#1F5688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1F5688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5688

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5688	#FFFFFF	#000000	##FFFFFF
##1F5688	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F598A

Deuteranopia (green-blind)

#304F87

Tritanopia (blue-blind)

#006268

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1f5688;
/* rgb */ color: rgb(31, 86, 136);
/* oklch */ color: oklch(44.3% 0.100 249.4);

Tailwind

colors: {
  custom: {
    50: '#6a85ab',
    500: '#1f5688',
    950: '#000000',
  },
}

SCSS

$custom: #1f5688;
$custom-light: #6a85ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5688",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 136
  },
  "hsl": {
    "h": 208.571,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44285,
    "c": 0.10029,
    "h": 249.4
  },
  "luminance": 0.08724
}

Semantic roles & 50–950 ramp

primary

#1F5688

secondary

#B97F4A

accent

#9042E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1F5688

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

Preview Lab → · Contrast checker → · Palette generator →