#174B71#174B71

#174B71 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.8% C 0.084 H 244.6°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#174B71
RGB	rgb(23, 75, 113)
HSL	hsl(205, 66%, 27%)
HSV	hsv(205, 80%, 44%)
CMYK	cmyk(79.6%, 33.6%, 0%, 55.7%)
CIE-LAB	lab(30.41, -2.66, -26.71)
CIE-LCH	lch(30.41, 26.84, 264.31°)
OKLab	oklab(39.84% -0.0359 -0.0758)
OKLCH	oklch(39.84% 0.084 244.6)
XYZ	xyz(5.8489, 6.4059, 16.5478)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B71 #713D17

analogous

#17716A #174B71 #171E71

triadic

#174B71 #71174B #4B7117

tetradic

#174B71 #6A1771 #713D17 #1E7117

square

#174B71 #6A1771 #713D17 #1E7117

split-complementary

#174B71 #71171E #716A17

monochromatic

#051119 #0D293E #174B71 #216DA4 #2E8ED4

Accessibility & contrast

On white

9.20

#174B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#174B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B71

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B71	#FFFFFF	#000000	##FFFFFF
##174B71	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394C73

Deuteranopia (green-blind)

#2D4470

Tritanopia (blue-blind)

#005459

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174b71;
/* rgb */ color: rgb(23, 75, 113);
/* oklch */ color: oklch(39.8% 0.084 244.6);

Tailwind

colors: {
  custom: {
    50: '#637d9a',
    500: '#174b71',
    950: '#000000',
  },
}

SCSS

$custom: #174b71;
$custom-light: #637d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#174b71",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 113
  },
  "hsl": {
    "h": 205.333,
    "s": 66.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.39842,
    "c": 0.08386,
    "h": 244.6
  },
  "luminance": 0.06407
}

Semantic roles & 50–950 ramp

primary

#174B71

secondary

#A76A3D

accent

#873FE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #174B71

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

Preview Lab → · Contrast checker → · Palette generator →