#1F877B#1F877B

#1F877B is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.4% C 0.092 H 183.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F877B
RGB	rgb(31, 135, 123)
HSL	hsl(173, 63%, 33%)
HSV	hsv(173, 77%, 53%)
CMYK	cmyk(77%, 0%, 8.9%, 47.1%)
CIE-LAB	lab(50.74, -31.38, -1.82)
CIE-LCH	lch(50.74, 31.43, 183.31°)
OKLab	oklab(56.39% -0.092 -0.0054)
OKLCH	oklch(56.39% 0.092 183.4)
XYZ	xyz(12.8025, 19.0478, 21.7369)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F877B #871F2B

analogous

#1F8747 #1F877B #1F5F87

triadic

#1F877B #7B1F87 #877B1F

tetradic

#1F877B #471F87 #871F2B #5F871F

square

#1F877B #471F87 #871F2B #5F871F

split-complementary

#1F877B #871F5F #87471F

monochromatic

#082320 #14554E #1F877B #2AB9A8 #4BD6C6

Accessibility & contrast

On white

4.37

#1F877B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1F877B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F877B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F877B	#FFFFFF	#000000	##000000
##1F877B	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#807F7B

Deuteranopia (green-blind)

#72747C

Tritanopia (blue-blind)

#008A83

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1f877b;
/* rgb */ color: rgb(31, 135, 123);
/* oklch */ color: oklch(56.4% 0.092 183.4);

Tailwind

colors: {
  custom: {
    50: '#6daaa1',
    500: '#1f877b',
    950: '#000000',
  },
}

SCSS

$custom: #1f877b;
$custom-light: #6daaa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f877b",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 123
  },
  "hsl": {
    "h": 173.077,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56392,
    "c": 0.09214,
    "h": 183.4
  },
  "luminance": 0.19049
}

Semantic roles & 50–950 ramp

primary

#1F877B

secondary

#B84A56

accent

#4255E6

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #1F877B

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

Preview Lab → · Contrast checker → · Palette generator →