#1F5988#1F5988

#1F5988 is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.097 H 246.9°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F5988
RGB	rgb(31, 89, 136)
HSL	hsl(207, 63%, 33%)
HSV	hsv(207, 77%, 53%)
CMYK	cmyk(77.2%, 34.6%, 0%, 46.7%)
CIE-LAB	lab(36.39, -1.53, -31.51)
CIE-LCH	lch(36.39, 31.54, 267.22°)
OKLab	oklab(45.03% -0.0382 -0.0895)
OKLCH	oklch(45.03% 0.097 246.9)
XYZ	xyz(8.5797, 9.2126, 24.6138)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5988 #884E1F

analogous

#1F8882 #1F5988 #1F2588

triadic

#1F5988 #881F59 #59881F

tetradic

#1F5988 #821F88 #884E1F #25881F

square

#1F5988 #821F88 #884E1F #25881F

split-complementary

#1F5988 #881F25 #88821F

monochromatic

#081824 #143856 #1F5988 #2A7ABA #4B98D6

Accessibility & contrast

On white

7.39

#1F5988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1F5988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5988

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5988	#FFFFFF	#000000	##FFFFFF
##1F5988	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435B8A

Deuteranopia (green-blind)

#345187

Tritanopia (blue-blind)

#00646A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f5988;
/* rgb */ color: rgb(31, 89, 136);
/* oklch */ color: oklch(45.0% 0.097 246.9);

Tailwind

colors: {
  custom: {
    50: '#6a87ab',
    500: '#1f5988',
    950: '#000000',
  },
}

SCSS

$custom: #1f5988;
$custom-light: #6a87ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5988",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 136
  },
  "hsl": {
    "h": 206.857,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45027,
    "c": 0.09729,
    "h": 246.9
  },
  "luminance": 0.09214
}

Semantic roles & 50–950 ramp

primary

#1F5988

secondary

#B97C4A

accent

#8B42E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1F5988

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

Preview Lab → · Contrast checker → · Palette generator →