#1F5C8B#1F5C8B

#1F5C8B is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.0% C 0.098 H 245.8°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F5C8B
RGB	rgb(31, 92, 139)
HSL	hsl(206, 64%, 33%)
HSV	hsv(206, 78%, 55%)
CMYK	cmyk(77.7%, 33.8%, 0%, 45.5%)
CIE-LAB	lab(37.50, -2.27, -31.58)
CIE-LCH	lch(37.50, 31.67, 265.90°)
OKLab	oklab(45.95% -0.0403 -0.0897)
OKLCH	oklch(45.95% 0.098 245.8)
XYZ	xyz(9.0506, 9.8086, 25.8373)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5C8B #8B4E1F

analogous

#1F8B84 #1F5C8B #1F268B

triadic

#1F5C8B #8B1F5C #5C8B1F

tetradic

#1F5C8B #841F8B #8B4E1F #268B1F

square

#1F5C8B #841F8B #8B4E1F #268B1F

split-complementary

#1F5C8B #8B1F26 #8B841F

monochromatic

#091A27 #143B59 #1F5C8B #2A7DBD #4D9BD7

Accessibility & contrast

On white

7.09

#1F5C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1F5C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5C8B

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5C8B	#FFFFFF	#000000	##FFFFFF
##1F5C8B	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465E8D

Deuteranopia (green-blind)

#37548A

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f5c8b;
/* rgb */ color: rgb(31, 92, 139);
/* oklch */ color: oklch(46.0% 0.098 245.8);

Tailwind

colors: {
  custom: {
    50: '#6b89ad',
    500: '#1f5c8b',
    950: '#000000',
  },
}

SCSS

$custom: #1f5c8b;
$custom-light: #6b89ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5c8b",
  "rgb": {
    "r": 31,
    "g": 92,
    "b": 139
  },
  "hsl": {
    "h": 206.111,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.45951,
    "c": 0.09829,
    "h": 245.8
  },
  "luminance": 0.0981
}

Semantic roles & 50–950 ramp

primary

#1F5C8B

secondary

#BA7C4C

accent

#8941E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1F5C8B

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

Preview Lab → · Contrast checker → · Palette generator →