#174F57#174F57

#174F57 is a dark, muted teal. Relative luminance 0.065; OKLCH L 39.5% C 0.058 H 208.6°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#174F57
RGB	rgb(23, 79, 87)
HSL	hsl(188, 58%, 22%)
HSV	hsv(188, 74%, 34%)
CMYK	cmyk(73.6%, 9.2%, 0%, 65.9%)
CIE-LAB	lab(30.55, -14.95, -10.00)
CIE-LCH	lch(30.55, 17.98, 213.78°)
OKLab	oklab(39.55% -0.0509 -0.0278)
OKLCH	oklch(39.55% 0.058 208.6)
XYZ	xyz(4.8689, 6.4617, 10.0056)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F57 #571F17

analogous

#17573F #174F57 #172F57

triadic

#174F57 #57174F #4F5717

tetradic

#174F57 #3F1757 #571F17 #2F5717

square

#174F57 #3F1757 #571F17 #2F5717

split-complementary

#174F57 #57172F #573F17

monochromatic

#061618 #0A2327 #174F57 #247B87 #31A7B8

Accessibility & contrast

On white

9.16

#174F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#174F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F57

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F57	#FFFFFF	#000000	##FFFFFF
##174F57	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484C58

Deuteranopia (green-blind)

#3E4557

Tritanopia (blue-blind)

#005351

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174f57;
/* rgb */ color: rgb(23, 79, 87);
/* oklch */ color: oklch(39.5% 0.058 208.6);

Tailwind

colors: {
  custom: {
    50: '#5e8086',
    500: '#174f57',
    950: '#000000',
  },
}

SCSS

$custom: #174f57;
$custom-light: #5e8086;
$custom-dark: #000000;

JSON

{
  "hex": "#174f57",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 87
  },
  "hsl": {
    "h": 187.5,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.39549,
    "c": 0.058,
    "h": 208.6
  },
  "luminance": 0.06462
}

Semantic roles & 50–950 ramp

primary

#174F57

secondary

#8E463C

accent

#5A46E1

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174F57

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

Preview Lab → · Contrast checker → · Palette generator →