#174F9E#174F9E

#174F9E is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.141 H 258.2°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#174F9E
RGB	rgb(23, 79, 158)
HSL	hsl(215, 75%, 35%)
HSV	hsv(215, 85%, 62%)
CMYK	cmyk(85.4%, 50%, 0%, 38%)
CIE-LAB	lab(34.48, 12.96, -47.90)
CIE-LCH	lch(34.48, 49.63, 285.14°)
OKLab	oklab(43.92% -0.0288 -0.1379)
OKLCH	oklch(43.92% 0.141 258.2)
XYZ	xyz(9.3186, 8.2416, 33.4408)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F9E #9E6617

analogous

#17929E #174F9E #22179E

triadic

#174F9E #9E174F #4F9E17

tetradic

#174F9E #9E1792 #9E6617 #179E22

square

#174F9E #9E1792 #9E6617 #179E22

split-complementary

#174F9E #9E2217 #929E17

monochromatic

#071A33 #0F3469 #174F9E #1F6AD3 #4B8BE5

Accessibility & contrast

On white

7.93

#174F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#174F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F9E

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F9E	#FFFFFF	#000000	##FFFFFF
##174F9E	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F57A1

Deuteranopia (green-blind)

#004B9C

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #174f9e;
/* rgb */ color: rgb(23, 79, 158);
/* oklch */ color: oklch(43.9% 0.141 258.2);

Tailwind

colors: {
  custom: {
    50: '#6d7fbb',
    500: '#174f9e',
    950: '#000000',
  },
}

SCSS

$custom: #174f9e;
$custom-light: #6d7fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#174f9e",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 158
  },
  "hsl": {
    "h": 215.111,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4392,
    "c": 0.14087,
    "h": 258.2
  },
  "luminance": 0.08243
}

Semantic roles & 50–950 ramp

primary

#174F9E

secondary

#C6934A

accent

#A437F1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #174F9E

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

Preview Lab → · Contrast checker → · Palette generator →