#1F665B#1F665B

#1F665B is a mid, moderate teal. Relative luminance 0.105; OKLCH L 46.4% C 0.072 H 180.7°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F665B
RGB	rgb(31, 102, 91)
HSL	hsl(171, 53%, 26%)
HSV	hsv(171, 70%, 40%)
CMYK	cmyk(69.6%, 0%, 10.8%, 60%)
CIE-LAB	lab(38.81, -24.65, -0.18)
CIE-LCH	lch(38.81, 24.65, 180.42°)
OKLab	oklab(46.35% -0.0716 -0.0009)
OKLCH	oklch(46.35% 0.072 180.7)
XYZ	xyz(7.2039, 10.5486, 11.5519)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F665B #661F2A

analogous

#1F6637 #1F665B #1F4D66

triadic

#1F665B #5B1F66 #665B1F

tetradic

#1F665B #371F66 #661F2A #4D661F

square

#1F665B #371F66 #661F2A #4D661F

split-complementary

#1F665B #661F4D #66371F

monochromatic

#071715 #113731 #1F665B #2D9585 #3CC4AF

Accessibility & contrast

On white

6.75

#1F665B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1F665B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F665B

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F665B	#FFFFFF	#000000	##FFFFFF
##1F665B	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61605B

Deuteranopia (green-blind)

#57585C

Tritanopia (blue-blind)

#006863

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f665b;
/* rgb */ color: rgb(31, 102, 91);
/* oklch */ color: oklch(46.4% 0.072 180.7);

Tailwind

colors: {
  custom: {
    50: '#659289',
    500: '#1f665b',
    950: '#000000',
  },
}

SCSS

$custom: #1f665b;
$custom-light: #659289;
$custom-dark: #000000;

JSON

{
  "hex": "#1f665b",
  "rgb": {
    "r": 31,
    "g": 102,
    "b": 91
  },
  "hsl": {
    "h": 170.704,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.46353,
    "c": 0.0716,
    "h": 180.7
  },
  "luminance": 0.10549
}

Semantic roles & 50–950 ramp

primary

#1F665B

secondary

#9A4653

accent

#4B62DD

background

#F6F9F8

surface

#EBF1F0

border

#C6CBCB

text

#060D0B

muted

#7A7E7C

Preview Lab

Preview with #1F665B

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

Preview Lab → · Contrast checker → · Palette generator →