#1F81A6#1F81A6

#1F81A6 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.6% C 0.102 H 229.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F81A6
RGB	rgb(31, 129, 166)
HSL	hsl(196, 69%, 39%)
HSV	hsv(196, 81%, 65%)
CMYK	cmyk(81.3%, 22.3%, 0%, 34.9%)
CIE-LAB	lab(50.39, -14.18, -27.43)
CIE-LCH	lch(50.39, 30.88, 242.67°)
OKLab	oklab(56.62% -0.0671 -0.0772)
OKLCH	oklch(56.62% 0.102 229)
XYZ	xyz(15.2954, 18.7431, 38.8806)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F81A6 #A6441F

analogous

#1FA687 #1F81A6 #1F3EA6

triadic

#1F81A6 #A61F81 #81A61F

tetradic

#1F81A6 #871FA6 #A6441F #3EA61F

square

#1F81A6 #871FA6 #A6441F #3EA61F

split-complementary

#1F81A6 #A61F3E #A6871F

monochromatic

#0C313F #155972 #1F81A6 #2BA8D7 #5EBDE1

Accessibility & contrast

On white

4.42

#1F81A6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1F81A6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F81A6

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F81A6	#FFFFFF	#000000	##000000
##1F81A6	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7FA8

Deuteranopia (green-blind)

#5C72A5

Tritanopia (blue-blind)

#008B8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f81a6;
/* rgb */ color: rgb(31, 129, 166);
/* oklch */ color: oklch(56.6% 0.102 229.0);

Tailwind

colors: {
  custom: {
    50: '#72a5c0',
    500: '#1f81a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f81a6;
$custom-light: #72a5c0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f81a6",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 166
  },
  "hsl": {
    "h": 196.444,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.56618,
    "c": 0.10226,
    "h": 229
  },
  "luminance": 0.18745
}

Semantic roles & 50–950 ramp

primary

#1F81A6

secondary

#C5785B

accent

#6C3CEB

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1F81A6

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

Preview Lab → · Contrast checker → · Palette generator →