#1F858B#1F858B

#1F858B is a mid, moderate teal. Relative luminance 0.189; OKLCH L 56.4% C 0.088 H 201.0°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F858B
RGB	rgb(31, 133, 139)
HSL	hsl(183, 64%, 33%)
HSV	hsv(183, 78%, 55%)
CMYK	cmyk(77.7%, 4.3%, 0%, 45.5%)
CIE-LAB	lab(50.60, -25.50, -11.37)
CIE-LCH	lch(50.60, 27.92, 204.03°)
OKLab	oklab(56.45% -0.0823 -0.0316)
OKLCH	oklch(56.45% 0.088 201)
XYZ	xyz(13.6107, 18.9288, 27.3574)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F858B #8B251F

analogous

#1F8B5B #1F858B #1F4F8B

triadic

#1F858B #8B1F85 #858B1F

tetradic

#1F858B #5B1F8B #8B251F #4F8B1F

square

#1F858B #5B1F8B #8B251F #4F8B1F

split-complementary

#1F858B #8B1F4F #8B5B1F

monochromatic

#092527 #145559 #1F858B #2AB5BD #4DD0D7

Accessibility & contrast

On white

4.39

#1F858B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1F858B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F858B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F858B	#FFFFFF	#000000	##000000
##1F858B	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7F8C

Deuteranopia (green-blind)

#6B748B

Tritanopia (blue-blind)

#008A87

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f858b;
/* rgb */ color: rgb(31, 133, 139);
/* oklch */ color: oklch(56.4% 0.088 201.0);

Tailwind

colors: {
  custom: {
    50: '#6fa9ac',
    500: '#1f858b',
    950: '#000000',
  },
}

SCSS

$custom: #1f858b;
$custom-light: #6fa9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f858b",
  "rgb": {
    "r": 31,
    "g": 133,
    "b": 139
  },
  "hsl": {
    "h": 183.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.56447,
    "c": 0.08817,
    "h": 201
  },
  "luminance": 0.1893
}

Semantic roles & 50–950 ramp

primary

#1F858B

secondary

#BA524C

accent

#4A41E7

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #1F858B

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

Preview Lab → · Contrast checker → · Palette generator →