#174D7B#174D7B

#174D7B is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.0% C 0.095 H 248.5°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#174D7B
RGB	rgb(23, 77, 123)
HSL	hsl(208, 68%, 29%)
HSV	hsv(208, 81%, 48%)
CMYK	cmyk(81.3%, 37.4%, 0%, 51.8%)
CIE-LAB	lab(31.62, 0.05, -31.06)
CIE-LCH	lch(31.62, 31.06, 270.09°)
OKLab	oklab(40.98% -0.0348 -0.0884)
OKLCH	oklch(40.98% 0.095 248.5)
XYZ	xyz(6.5810, 6.9192, 19.7237)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D7B #7B4517

analogous

#177B77 #174D7B #171B7B

triadic

#174D7B #7B174D #4D7B17

tetradic

#174D7B #77177B #7B4517 #1B7B17

square

#174D7B #77177B #7B4517 #1B7B17

split-complementary

#174D7B #7B171B #7B7717

monochromatic

#05101A #0D2D47 #174D7B #216DAF #338DD9

Accessibility & contrast

On white

8.81

#174D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#174D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D7B

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D7B	#FFFFFF	#000000	##FFFFFF
##174D7B	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374F7D

Deuteranopia (green-blind)

#29467A

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #174d7b;
/* rgb */ color: rgb(23, 77, 123);
/* oklch */ color: oklch(41.0% 0.095 248.5);

Tailwind

colors: {
  custom: {
    50: '#657ea1',
    500: '#174d7b',
    950: '#000000',
  },
}

SCSS

$custom: #174d7b;
$custom-light: #657ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#174d7b",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 123
  },
  "hsl": {
    "h": 207.6,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40976,
    "c": 0.09506,
    "h": 248.5
  },
  "luminance": 0.0692
}

Semantic roles & 50–950 ramp

primary

#174D7B

secondary

#B0723E

accent

#8D3CEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090F

muted

#7A7B7E

Preview Lab

Preview with #174D7B

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

Preview Lab → · Contrast checker → · Palette generator →