#174B5A#174B5A

#174B5A is a dark, muted cyan. Relative luminance 0.060; OKLCH L 38.6% C 0.059 H 220.7°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#174B5A
RGB	rgb(23, 75, 90)
HSL	hsl(193, 59%, 22%)
HSV	hsv(193, 74%, 35%)
CMYK	cmyk(74.4%, 16.7%, 0%, 64.7%)
CIE-LAB	lab(29.29, -11.51, -13.83)
CIE-LCH	lch(29.29, 18.00, 230.23°)
OKLab	oklab(38.58% -0.0448 -0.0386)
OKLCH	oklch(38.58% 0.059 220.7)
XYZ	xyz(4.7141, 5.9520, 10.5713)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B5A #5A2617

analogous

#175A48 #174B5A #172A5A

triadic

#174B5A #5A174B #4B5A17

tetradic

#174B5A #48175A #5A2617 #2A5A17

square

#174B5A #48175A #5A2617 #2A5A17

split-complementary

#174B5A #5A172A #5A4817

monochromatic

#061418 #0B2229 #174B5A #23748B #309CBB

Accessibility & contrast

On white

9.59

#174B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#174B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B5A

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B5A	#FFFFFF	#000000	##FFFFFF
##174B5A	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42495B

Deuteranopia (green-blind)

#39425A

Tritanopia (blue-blind)

#005050

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #174b5a;
/* rgb */ color: rgb(23, 75, 90);
/* oklch */ color: oklch(38.6% 0.059 220.7);

Tailwind

colors: {
  custom: {
    50: '#5e7d88',
    500: '#174b5a',
    950: '#000000',
  },
}

SCSS

$custom: #174b5a;
$custom-light: #5e7d88;
$custom-dark: #000000;

JSON

{
  "hex": "#174b5a",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 90
  },
  "hsl": {
    "h": 193.433,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.38578,
    "c": 0.05918,
    "h": 220.7
  },
  "luminance": 0.05952
}

Semantic roles & 50–950 ramp

primary

#174B5A

secondary

#914F3C

accent

#6945E2

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174B5A

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

Preview Lab → · Contrast checker → · Palette generator →