#1F5B8A#1F5B8A

#1F5B8A is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.6% C 0.098 H 246.2°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B8A
RGB	rgb(31, 91, 138)
HSL	hsl(206, 63%, 33%)
HSV	hsv(206, 78%, 54%)
CMYK	cmyk(77.5%, 34.1%, 0%, 45.9%)
CIE-LAB	lab(37.13, -2.02, -31.56)
CIE-LCH	lch(37.13, 31.62, 266.33°)
OKLab	oklab(45.64% -0.0396 -0.0896)
OKLCH	oklch(45.64% 0.098 246.2)
XYZ	xyz(8.8918, 9.6074, 25.4256)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B8A #8A4E1F

analogous

#1F8A83 #1F5B8A #1F258A

triadic

#1F5B8A #8A1F5B #5B8A1F

tetradic

#1F5B8A #831F8A #8A4E1F #258A1F

square

#1F5B8A #831F8A #8A4E1F #258A1F

split-complementary

#1F5B8A #8A1F25 #8A831F

monochromatic

#091926 #143A58 #1F5B8A #2A7CBC #4C9AD7

Accessibility & contrast

On white

7.19

#1F5B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1F5B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B8A

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B8A	#FFFFFF	#000000	##FFFFFF
##1F5B8A	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455D8C

Deuteranopia (green-blind)

#365389

Tritanopia (blue-blind)

#00666C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1f5b8a;
/* rgb */ color: rgb(31, 91, 138);
/* oklch */ color: oklch(45.6% 0.098 246.2);

Tailwind

colors: {
  custom: {
    50: '#6b89ac',
    500: '#1f5b8a',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b8a;
$custom-light: #6b89ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b8a",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 138
  },
  "hsl": {
    "h": 206.355,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.45643,
    "c": 0.09796,
    "h": 246.2
  },
  "luminance": 0.09608
}

Semantic roles & 50–950 ramp

primary

#1F5B8A

secondary

#BA7C4B

accent

#8A41E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1F5B8A

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

Preview Lab → · Contrast checker → · Palette generator →