#1F819C#1F819C

#1F819C is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.1% C 0.094 H 221.3°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#1F819C
RGB	rgb(31, 129, 156)
HSL	hsl(193, 67%, 37%)
HSV	hsv(193, 80%, 61%)
CMYK	cmyk(80.1%, 17.3%, 0%, 38.8%)
CIE-LAB	lab(49.97, -17.70, -22.27)
CIE-LCH	lch(49.97, 28.45, 231.51°)
OKLab	oklab(56.14% -0.0709 -0.0623)
OKLCH	oklch(56.14% 0.094 221.3)
XYZ	xyz(14.4136, 18.3903, 34.2361)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F819C #9C3A1F

analogous

#1F9C79 #1F819C #1F439C

triadic

#1F819C #9C1F81 #819C1F

tetradic

#1F819C #791F9C #9C3A1F #439C1F

square

#1F819C #791F9C #9C3A1F #439C1F

split-complementary

#1F819C #9C1F43 #9C791F

monochromatic

#0B2D36 #155769 #1F819C #29ABCF #58C1DE

Accessibility & contrast

On white

4.49

#1F819C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#1F819C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F819C

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F819C	#FFFFFF	#000000	##000000
##1F819C	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717E9D

Deuteranopia (green-blind)

#60729C

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1f819c;
/* rgb */ color: rgb(31, 129, 156);
/* oklch */ color: oklch(56.1% 0.094 221.3);

Tailwind

colors: {
  custom: {
    50: '#70a5b9',
    500: '#1f819c',
    950: '#000000',
  },
}

SCSS

$custom: #1f819c;
$custom-light: #70a5b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f819c",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 156
  },
  "hsl": {
    "h": 192.96,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.56143,
    "c": 0.09445,
    "h": 221.3
  },
  "luminance": 0.18392
}

Semantic roles & 50–950 ramp

primary

#1F819C

secondary

#C16D55

accent

#633EEA

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F819C

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

Preview Lab → · Contrast checker → · Palette generator →