#174CA0#174CA0

#174CA0 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.4% C 0.147 H 259.7°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#174CA0
RGB	rgb(23, 76, 160)
HSL	hsl(217, 75%, 36%)
HSV	hsv(217, 86%, 63%)
CMYK	cmyk(85.6%, 52.5%, 0%, 37.3%)
CIE-LAB	lab(33.75, 15.81, -50.29)
CIE-LCH	lch(33.75, 52.72, 287.45°)
OKLab	oklab(43.4% -0.0263 -0.145)
OKLCH	oklch(43.4% 0.147 259.7)
XYZ	xyz(9.2806, 7.8879, 34.2843)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174CA0 #A06B17

analogous

#1790A0 #174CA0 #2617A0

triadic

#174CA0 #A0174C #4CA017

tetradic

#174CA0 #A01790 #A06B17 #17A026

square

#174CA0 #A01790 #A06B17 #17A026

split-complementary

#174CA0 #A02617 #90A017

monochromatic

#081935 #0F336A #174CA0 #1F65D6 #4C87E5

Accessibility & contrast

On white

8.15

#174CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#174CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174CA0

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174CA0	#FFFFFF	#000000	##FFFFFF
##174CA0	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1056A3

Deuteranopia (green-blind)

#004A9E

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #174ca0;
/* rgb */ color: rgb(23, 76, 160);
/* oklch */ color: oklch(43.4% 0.147 259.7);

Tailwind

colors: {
  custom: {
    50: '#6e7dbd',
    500: '#174ca0',
    950: '#000000',
  },
}

SCSS

$custom: #174ca0;
$custom-light: #6e7dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#174ca0",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 160
  },
  "hsl": {
    "h": 216.788,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43404,
    "c": 0.14737,
    "h": 259.7
  },
  "luminance": 0.07889
}

Semantic roles & 50–950 ramp

primary

#174CA0

secondary

#C7974C

accent

#A936F1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #174CA0

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

Preview Lab → · Contrast checker → · Palette generator →