#174CA1#174CA1

#174CA1 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.5% C 0.149 H 259.8°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#174CA1
RGB	rgb(23, 76, 161)
HSL	hsl(217, 75%, 36%)
HSV	hsv(217, 86%, 63%)
CMYK	cmyk(85.7%, 52.8%, 0%, 36.9%)
CIE-LAB	lab(33.82, 16.21, -50.77)
CIE-LCH	lch(33.82, 53.30, 287.71°)
OKLab	oklab(43.48% -0.0262 -0.1464)
OKLCH	oklch(43.48% 0.149 259.8)
XYZ	xyz(9.3685, 7.9231, 34.7468)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174CA1 #A16C17

analogous

#1791A1 #174CA1 #2717A1

triadic

#174CA1 #A1174C #4CA117

tetradic

#174CA1 #A11791 #A16C17 #17A127

square

#174CA1 #A11791 #A16C17 #17A127

split-complementary

#174CA1 #A12717 #91A117

monochromatic

#081936 #0F336B #174CA1 #1F65D7 #4D87E6

Accessibility & contrast

On white

8.12

#174CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#174CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174CA1

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174CA1	#FFFFFF	#000000	##FFFFFF
##174CA1	1.00	8.12	2.58	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E56A4

Deuteranopia (green-blind)

#004A9F

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #174ca1;
/* rgb */ color: rgb(23, 76, 161);
/* oklch */ color: oklch(43.5% 0.149 259.8);

Tailwind

colors: {
  custom: {
    50: '#6e7dbd',
    500: '#174ca1',
    950: '#000000',
  },
}

SCSS

$custom: #174ca1;
$custom-light: #6e7dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#174ca1",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 161
  },
  "hsl": {
    "h": 216.957,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.43484,
    "c": 0.14875,
    "h": 259.8
  },
  "luminance": 0.07924
}

Semantic roles & 50–950 ramp

primary

#174CA1

secondary

#C7984C

accent

#AA36F2

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #174CA1

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

Preview Lab → · Contrast checker → · Palette generator →