#174D8D#174D8D

#174D8D is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.2% C 0.120 H 255.3°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#174D8D
RGB	rgb(23, 77, 141)
HSL	hsl(213, 72%, 32%)
HSV	hsv(213, 84%, 55%)
CMYK	cmyk(83.7%, 45.4%, 0%, 44.7%)
CIE-LAB	lab(32.73, 7.37, -40.41)
CIE-LCH	lch(32.73, 41.07, 280.34°)
OKLab	oklab(42.2% -0.0303 -0.1159)
OKLCH	oklch(42.2% 0.12 255.3)
XYZ	xyz(7.8132, 7.4120, 26.2130)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D8D #8D5717

analogous

#17888D #174D8D #1C178D

triadic

#174D8D #8D174D #4D8D17

tetradic

#174D8D #8D1788 #8D5717 #178D1C

square

#174D8D #8D1788 #8D5717 #178D1C

split-complementary

#174D8D #8D1C17 #888D17

monochromatic

#061424 #0E3058 #174D8D #206AC2 #3F88E0

Accessibility & contrast

On white

8.46

#174D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#174D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D8D

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D8D	#FFFFFF	#000000	##FFFFFF
##174D8D	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C538F

Deuteranopia (green-blind)

#13488C

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #174d8d;
/* rgb */ color: rgb(23, 77, 141);
/* oklch */ color: oklch(42.2% 0.120 255.3);

Tailwind

colors: {
  custom: {
    50: '#697eaf',
    500: '#174d8d',
    950: '#000000',
  },
}

SCSS

$custom: #174d8d;
$custom-light: #697eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#174d8d",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 141
  },
  "hsl": {
    "h": 212.542,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42196,
    "c": 0.11979,
    "h": 255.3
  },
  "luminance": 0.07413
}

Semantic roles & 50–950 ramp

primary

#174D8D

secondary

#C08540

accent

#9C39EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174D8D

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

Preview Lab → · Contrast checker → · Palette generator →