#17838F#17838F

#17838F is a mid, moderate teal. Relative luminance 0.184; OKLCH L 55.9% C 0.091 H 206.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#17838F
RGB	rgb(23, 131, 143)
HSL	hsl(186, 72%, 33%)
HSV	hsv(186, 84%, 56%)
CMYK	cmyk(83.9%, 8.4%, 0%, 43.9%)
CIE-LAB	lab(49.97, -23.97, -14.67)
CIE-LCH	lch(49.97, 28.11, 211.47°)
OKLab	oklab(55.95% -0.0811 -0.0409)
OKLCH	oklch(55.95% 0.091 206.7)
XYZ	xyz(13.4254, 18.3962, 28.8245)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17838F #8F2317

analogous

#178F5F #17838F #17478F

triadic

#17838F #8F1783 #838F17

tetradic

#17838F #5F178F #8F2317 #478F17

square

#17838F #5F178F #8F2317 #478F17

split-complementary

#17838F #8F1747 #8F5F17

monochromatic

#062226 #0F535A #17838F #1FB3C4 #40D0E0

Accessibility & contrast

On white

4.49

#17838F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#17838F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17838F

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17838F	#FFFFFF	#000000	##000000
##17838F	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)

#777D90

Deuteranopia (green-blind)

#67728F

Tritanopia (blue-blind)

#008987

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #17838f;
/* rgb */ color: rgb(23, 131, 143);
/* oklch */ color: oklch(55.9% 0.091 206.7);

Tailwind

colors: {
  custom: {
    50: '#6da7af',
    500: '#17838f',
    950: '#000000',
  },
}

SCSS

$custom: #17838f;
$custom-light: #6da7af;
$custom-dark: #000000;

JSON

{
  "hex": "#17838f",
  "rgb": {
    "r": 23,
    "g": 131,
    "b": 143
  },
  "hsl": {
    "h": 186,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55946,
    "c": 0.09082,
    "h": 206.7
  },
  "luminance": 0.18398
}

Semantic roles & 50–950 ramp

primary

#17838F

secondary

#C14E41

accent

#4B39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #17838F

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

Preview Lab → · Contrast checker → · Palette generator →