#174DA0#174DA0

#174DA0 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.6% C 0.146 H 259.3°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#174DA0
RGB	rgb(23, 77, 160)
HSL	hsl(216, 75%, 36%)
HSV	hsv(216, 86%, 63%)
CMYK	cmyk(85.6%, 51.9%, 0%, 37.3%)
CIE-LAB	lab(34.04, 15.13, -49.82)
CIE-LCH	lch(34.04, 52.07, 286.89°)
OKLab	oklab(43.63% -0.027 -0.1436)
OKLCH	oklch(43.63% 0.146 259.3)
XYZ	xyz(9.3501, 8.0268, 34.3074)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174DA0 #A06A17

analogous

#1791A0 #174DA0 #2517A0

triadic

#174DA0 #A0174D #4DA017

tetradic

#174DA0 #A01791 #A06A17 #17A025

square

#174DA0 #A01791 #A06A17 #17A025

split-complementary

#174DA0 #A02517 #91A017

monochromatic

#081935 #0F336A #174DA0 #1F67D6 #4C88E5

Accessibility & contrast

On white

8.06

#174DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#174DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174DA0

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174DA0	#FFFFFF	#000000	##FFFFFF
##174DA0	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1557A3

Deuteranopia (green-blind)

#004A9E

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #174da0;
/* rgb */ color: rgb(23, 77, 160);
/* oklch */ color: oklch(43.6% 0.146 259.3);

Tailwind

colors: {
  custom: {
    50: '#6e7ebd',
    500: '#174da0',
    950: '#000000',
  },
}

SCSS

$custom: #174da0;
$custom-light: #6e7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#174da0",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 160
  },
  "hsl": {
    "h": 216.35,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43626,
    "c": 0.14612,
    "h": 259.3
  },
  "luminance": 0.08028
}

Semantic roles & 50–950 ramp

primary

#174DA0

secondary

#C7964C

accent

#A836F1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #174DA0

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

Preview Lab → · Contrast checker → · Palette generator →