#172671#172671

#172671 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.1% C 0.130 H 268.6°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#172671
RGB	rgb(23, 38, 113)
HSL	hsl(230, 66%, 27%)
HSV	hsv(230, 80%, 44%)
CMYK	cmyk(79.6%, 66.4%, 0%, 55.7%)
CIE-LAB	lab(19.06, 23.19, -44.97)
CIE-LCH	lch(19.06, 50.59, 297.28°)
OKLab	oklab(31.13% -0.0031 -0.13)
OKLCH	oklch(31.13% 0.13 268.6)
XYZ	xyz(4.0261, 2.7602, 15.9402)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172671 #716217

analogous

#175371 #172671 #351771

triadic

#172671 #711726 #267117

tetradic

#172671 #711753 #716217 #177135

square

#172671 #711753 #716217 #177135

split-complementary

#172671 #713517 #537117

monochromatic

#050919 #0D153E #172671 #2137A4 #2E4AD4

Accessibility & contrast

On white

13.53

#172671 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#172671 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172671

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172671	#FFFFFF	#000000	##FFFFFF
##172671	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003373

Deuteranopia (green-blind)

#002A70

Tritanopia (blue-blind)

#003A47

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172671;
/* rgb */ color: rgb(23, 38, 113);
/* oklch */ color: oklch(31.1% 0.130 268.6);

Tailwind

colors: {
  custom: {
    50: '#64609b',
    500: '#172671',
    950: '#000000',
  },
}

SCSS

$custom: #172671;
$custom-light: #64609b;
$custom-dark: #000000;

JSON

{
  "hex": "#172671",
  "rgb": {
    "r": 23,
    "g": 38,
    "b": 113
  },
  "hsl": {
    "h": 230,
    "s": 66.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31129,
    "c": 0.13007,
    "h": 268.6
  },
  "luminance": 0.02761
}

Semantic roles & 50–950 ramp

primary

#172671

secondary

#A7953D

accent

#CD3FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #172671

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

Preview Lab → · Contrast checker → · Palette generator →