#1F636F#1F636F

#1F636F is a mid, moderate teal. Relative luminance 0.104; OKLCH L 46.3% C 0.069 H 211.6°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F636F
RGB	rgb(31, 99, 111)
HSL	hsl(189, 56%, 28%)
HSV	hsv(189, 72%, 44%)
CMYK	cmyk(72.1%, 10.8%, 0%, 56.5%)
CIE-LAB	lab(38.48, -16.69, -12.95)
CIE-LCH	lch(38.48, 21.12, 217.81°)
OKLab	oklab(46.32% -0.0585 -0.036)
OKLCH	oklch(46.32% 0.069 211.6)
XYZ	xyz(7.8949, 10.3618, 16.6198)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F636F #6F2B1F

analogous

#1F6F53 #1F636F #1F3B6F

triadic

#1F636F #6F1F63 #636F1F

tetradic

#1F636F #531F6F #6F2B1F #3B6F1F

square

#1F636F #531F6F #6F2B1F #3B6F1F

split-complementary

#1F636F #6F1F3B #6F531F

monochromatic

#071518 #12383F #1F636F #2C8E9F #3FB5C9

Accessibility & contrast

On white

6.83

#1F636F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#1F636F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F636F

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F636F	#FFFFFF	#000000	##FFFFFF
##1F636F	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595F70

Deuteranopia (green-blind)

#4E576F

Tritanopia (blue-blind)

#006867

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f636f;
/* rgb */ color: rgb(31, 99, 111);
/* oklch */ color: oklch(46.3% 0.069 211.6);

Tailwind

colors: {
  custom: {
    50: '#678f98',
    500: '#1f636f',
    950: '#000000',
  },
}

SCSS

$custom: #1f636f;
$custom-light: #678f98;
$custom-dark: #000000;

JSON

{
  "hex": "#1f636f",
  "rgb": {
    "r": 31,
    "g": 99,
    "b": 111
  },
  "hsl": {
    "h": 189,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.46316,
    "c": 0.06866,
    "h": 211.6
  },
  "luminance": 0.10363
}

Semantic roles & 50–950 ramp

primary

#1F636F

secondary

#A35547

accent

#5F48E0

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #1F636F

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

Preview Lab → · Contrast checker → · Palette generator →