#174B5F#174B5F

#174B5F is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.8% C 0.063 H 227.6°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#174B5F
RGB	rgb(23, 75, 95)
HSL	hsl(197, 61%, 23%)
HSV	hsv(197, 76%, 37%)
CMYK	cmyk(75.8%, 21.1%, 0%, 62.7%)
CIE-LAB	lab(29.51, -9.66, -16.69)
CIE-LCH	lch(29.51, 19.29, 239.95°)
OKLab	oklab(38.83% -0.0427 -0.0468)
OKLCH	oklch(38.83% 0.063 227.6)
XYZ	xyz(4.9341, 6.0400, 11.7300)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B5F #5F2B17

analogous

#175F4F #174B5F #17275F

triadic

#174B5F #5F174B #4B5F17

tetradic

#174B5F #4F175F #5F2B17 #275F17

square

#174B5F #4F175F #5F2B17 #275F17

split-complementary

#174B5F #5F1727 #5F4F17

monochromatic

#061319 #0B242E #174B5F #237290 #2F99C2

Accessibility & contrast

On white

9.51

#174B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#174B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B5F

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B5F	#FFFFFF	#000000	##FFFFFF
##174B5F	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404A60

Deuteranopia (green-blind)

#37425F

Tritanopia (blue-blind)

#005152

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #174b5f;
/* rgb */ color: rgb(23, 75, 95);
/* oklch */ color: oklch(38.8% 0.063 227.6);

Tailwind

colors: {
  custom: {
    50: '#5f7d8c',
    500: '#174b5f',
    950: '#000000',
  },
}

SCSS

$custom: #174b5f;
$custom-light: #5f7d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#174b5f",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 95
  },
  "hsl": {
    "h": 196.667,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3883,
    "c": 0.06333,
    "h": 227.6
  },
  "luminance": 0.06041
}

Semantic roles & 50–950 ramp

primary

#174B5F

secondary

#96553C

accent

#7044E4

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #174B5F

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

Preview Lab → · Contrast checker → · Palette generator →