#174DA1#174DA1

#174DA1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.7% C 0.147 H 259.5°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#174DA1
RGB	rgb(23, 77, 161)
HSL	hsl(217, 75%, 36%)
HSV	hsv(217, 86%, 63%)
CMYK	cmyk(85.7%, 52.2%, 0%, 36.9%)
CIE-LAB	lab(34.11, 15.54, -50.30)
CIE-LCH	lch(34.11, 52.65, 287.16°)
OKLab	oklab(43.71% -0.0269 -0.145)
OKLCH	oklch(43.71% 0.148 259.5)
XYZ	xyz(9.4379, 8.0619, 34.7700)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174DA1 #A16B17

analogous

#1792A1 #174DA1 #2617A1

triadic

#174DA1 #A1174D #4DA117

tetradic

#174DA1 #A11792 #A16B17 #17A126

square

#174DA1 #A11792 #A16B17 #17A126

split-complementary

#174DA1 #A12617 #92A117

monochromatic

#081A36 #0F336B #174DA1 #1F67D7 #4D89E6

Accessibility & contrast

On white

8.04

#174DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#174DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174DA1

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174DA1	#FFFFFF	#000000	##FFFFFF
##174DA1	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1357A4

Deuteranopia (green-blind)

#004A9F

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #174da1;
/* rgb */ color: rgb(23, 77, 161);
/* oklch */ color: oklch(43.7% 0.147 259.5);

Tailwind

colors: {
  custom: {
    50: '#6e7ebd',
    500: '#174da1',
    950: '#000000',
  },
}

SCSS

$custom: #174da1;
$custom-light: #6e7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#174da1",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 161
  },
  "hsl": {
    "h": 216.522,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.43705,
    "c": 0.1475,
    "h": 259.5
  },
  "luminance": 0.08063
}

Semantic roles & 50–950 ramp

primary

#174DA1

secondary

#C7974C

accent

#A836F2

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #174DA1

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

Preview Lab → · Contrast checker → · Palette generator →