#1F81A8#1F81A8

#1F81A8 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.7% C 0.104 H 230.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F81A8
RGB	rgb(31, 129, 168)
HSL	hsl(197, 69%, 39%)
HSV	hsv(197, 82%, 66%)
CMYK	cmyk(81.5%, 23.2%, 0%, 34.1%)
CIE-LAB	lab(50.47, -13.46, -28.46)
CIE-LCH	lch(50.47, 31.48, 244.68°)
OKLab	oklab(56.72% -0.0663 -0.0801)
OKLCH	oklch(56.72% 0.104 230.4)
XYZ	xyz(15.4803, 18.8170, 39.8544)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F81A8 #A8461F

analogous

#1FA88B #1F81A8 #1F3DA8

triadic

#1F81A8 #A81F81 #81A81F

tetradic

#1F81A8 #8B1FA8 #A8461F #3DA81F

square

#1F81A8 #8B1FA8 #A8461F #3DA81F

split-complementary

#1F81A8 #A81F3D #A88B1F

monochromatic

#0C3241 #155974 #1F81A8 #2CA7D8 #60BDE2

Accessibility & contrast

On white

4.41

#1F81A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#1F81A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F81A8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F81A8	#FFFFFF	#000000	##000000
##1F81A8	1.00	4.41	4.76	4.76
#FFFFFF	4.41	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)

#6D7FAA

Deuteranopia (green-blind)

#5B73A7

Tritanopia (blue-blind)

#008C8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f81a8;
/* rgb */ color: rgb(31, 129, 168);
/* oklch */ color: oklch(56.7% 0.104 230.4);

Tailwind

colors: {
  custom: {
    50: '#72a5c2',
    500: '#1f81a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f81a8;
$custom-light: #72a5c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f81a8",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 168
  },
  "hsl": {
    "h": 197.08,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.56716,
    "c": 0.10403,
    "h": 230.4
  },
  "luminance": 0.18819
}

Semantic roles & 50–950 ramp

primary

#1F81A8

secondary

#C67B5D

accent

#6E3CEC

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1F81A8

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

Preview Lab → · Contrast checker → · Palette generator →