#174E55#174E55

#174E55 is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.2% C 0.057 H 207.1°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#174E55
RGB	rgb(23, 78, 85)
HSL	hsl(187, 57%, 21%)
HSV	hsv(187, 73%, 33%)
CMYK	cmyk(72.9%, 8.2%, 0%, 66.7%)
CIE-LAB	lab(30.12, -15.07, -9.36)
CIE-LCH	lch(30.12, 17.74, 211.85°)
OKLab	oklab(39.18% -0.0507 -0.026)
OKLCH	oklch(39.18% 0.057 207.1)
XYZ	xyz(4.7167, 6.2863, 9.5574)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E55 #551E17

analogous

#17553D #174E55 #172F55

triadic

#174E55 #55174E #4E5517

tetradic

#174E55 #3D1755 #551E17 #2F5517

square

#174E55 #3D1755 #551E17 #2F5517

split-complementary

#174E55 #55172F #553D17

monochromatic

#071618 #0A2225 #174E55 #247A85 #31A6B5

Accessibility & contrast

On white

9.30

#174E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#174E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E55

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E55	#FFFFFF	#000000	##FFFFFF
##174E55	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B55

Deuteranopia (green-blind)

#3E4455

Tritanopia (blue-blind)

#005250

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #174e55;
/* rgb */ color: rgb(23, 78, 85);
/* oklch */ color: oklch(39.2% 0.057 207.1);

Tailwind

colors: {
  custom: {
    50: '#5e7f84',
    500: '#174e55',
    950: '#000000',
  },
}

SCSS

$custom: #174e55;
$custom-light: #5e7f84;
$custom-dark: #000000;

JSON

{
  "hex": "#174e55",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 85
  },
  "hsl": {
    "h": 186.774,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3918,
    "c": 0.05698,
    "h": 207.1
  },
  "luminance": 0.06287
}

Semantic roles & 50–950 ramp

primary

#174E55

secondary

#8C453C

accent

#5847E1

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174E55

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

Preview Lab → · Contrast checker → · Palette generator →