#174B97#174B97

#174B97 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.136 H 258.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#174B97
RGB	rgb(23, 75, 151)
HSL	hsl(216, 74%, 34%)
HSV	hsv(216, 85%, 59%)
CMYK	cmyk(84.8%, 50.3%, 0%, 40.8%)
CIE-LAB	lab(32.80, 12.82, -46.38)
CIE-LCH	lch(32.80, 48.12, 285.45°)
OKLab	oklab(42.48% -0.0269 -0.1335)
OKLCH	oklch(42.48% 0.136 258.6)
XYZ	xyz(8.4533, 7.4476, 30.2642)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B97 #976317

analogous

#178B97 #174B97 #231797

triadic

#174B97 #97174B #4B9717

tetradic

#174B97 #97178B #976317 #179723

square

#174B97 #97178B #976317 #179723

split-complementary

#174B97 #972317 #8B9717

monochromatic

#07162D #0F3162 #174B97 #1F65CC #4685E3

Accessibility & contrast

On white

8.43

#174B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#174B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B97

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B97	#FFFFFF	#000000	##FFFFFF
##174B97	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D539A

Deuteranopia (green-blind)

#004895

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #174b97;
/* rgb */ color: rgb(23, 75, 151);
/* oklch */ color: oklch(42.5% 0.136 258.6);

Tailwind

colors: {
  custom: {
    50: '#6c7cb6',
    500: '#174b97',
    950: '#000000',
  },
}

SCSS

$custom: #174b97;
$custom-light: #6c7cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#174b97",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 151
  },
  "hsl": {
    "h": 215.625,
    "s": 73.563,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42475,
    "c": 0.13618,
    "h": 258.6
  },
  "luminance": 0.07449
}

Semantic roles & 50–950 ramp

primary

#174B97

secondary

#C49146

accent

#A538F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #174B97

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

Preview Lab → · Contrast checker → · Palette generator →