#1F81A7#1F81A7

#1F81A7 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.7% C 0.103 H 229.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F81A7
RGB	rgb(31, 129, 167)
HSL	hsl(197, 69%, 39%)
HSV	hsv(197, 81%, 65%)
CMYK	cmyk(81.4%, 22.8%, 0%, 34.5%)
CIE-LAB	lab(50.43, -13.82, -27.95)
CIE-LCH	lch(50.43, 31.18, 243.68°)
OKLab	oklab(56.67% -0.0667 -0.0787)
OKLCH	oklch(56.67% 0.103 229.7)
XYZ	xyz(15.3875, 18.7799, 39.3656)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F81A7 #A7451F

analogous

#1FA789 #1F81A7 #1F3DA7

triadic

#1F81A7 #A71F81 #81A71F

tetradic

#1F81A7 #891FA7 #A7451F #3DA71F

square

#1F81A7 #891FA7 #A7451F #3DA71F

split-complementary

#1F81A7 #A71F3D #A7891F

monochromatic

#0C3140 #155973 #1F81A7 #2BA8D8 #5FBDE1

Accessibility & contrast

On white

4.42

#1F81A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#1F81A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F81A7

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F81A7	#FFFFFF	#000000	##000000
##1F81A7	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FA9

Deuteranopia (green-blind)

#5C72A6

Tritanopia (blue-blind)

#008C8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f81a7;
/* rgb */ color: rgb(31, 129, 167);
/* oklch */ color: oklch(56.7% 0.103 229.7);

Tailwind

colors: {
  custom: {
    50: '#72a5c1',
    500: '#1f81a7',
    950: '#000000',
  },
}

SCSS

$custom: #1f81a7;
$custom-light: #72a5c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f81a7",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 167
  },
  "hsl": {
    "h": 196.765,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.56667,
    "c": 0.10313,
    "h": 229.7
  },
  "luminance": 0.18782
}

Semantic roles & 50–950 ramp

primary

#1F81A7

secondary

#C67A5C

accent

#6D3CEC

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1F81A7

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

Preview Lab → · Contrast checker → · Palette generator →