#171C67#171C67

#171C67 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.2% C 0.128 H 271.9°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#171C67
RGB	rgb(23, 28, 103)
HSL	hsl(236, 63%, 25%)
HSV	hsv(236, 78%, 40%)
CMYK	cmyk(77.7%, 72.8%, 0%, 59.6%)
CIE-LAB	lab(15.44, 26.19, -44.38)
CIE-LCH	lch(15.44, 51.53, 300.54°)
OKLab	oklab(28.18% 0.0042 -0.1284)
OKLCH	oklch(28.18% 0.128 271.9)
XYZ	xyz(3.2160, 1.9916, 13.0443)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171C67 #676217

analogous

#174467 #171C67 #3A1767

triadic

#171C67 #67171C #1C6717

tetradic

#171C67 #671744 #676217 #17673A

square

#171C67 #671744 #676217 #17673A

split-complementary

#171C67 #673A17 #446717

monochromatic

#060719 #0C0E35 #171C67 #222A99 #2D37CB

Accessibility & contrast

On white

15.02

#171C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#171C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171C67

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171C67	#FFFFFF	#000000	##FFFFFF
##171C67	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A69

Deuteranopia (green-blind)

#002366

Tritanopia (blue-blind)

#00313F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171c67;
/* rgb */ color: rgb(23, 28, 103);
/* oklch */ color: oklch(28.2% 0.128 271.9);

Tailwind

colors: {
  custom: {
    50: '#625893',
    500: '#171c67',
    950: '#000000',
  },
}

SCSS

$custom: #171c67;
$custom-light: #625893;
$custom-dark: #000000;

JSON

{
  "hex": "#171c67",
  "rgb": {
    "r": 23,
    "g": 28,
    "b": 103
  },
  "hsl": {
    "h": 236.25,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.28184,
    "c": 0.12845,
    "h": 271.9
  },
  "luminance": 0.01992
}

Semantic roles & 50–950 ramp

primary

#171C67

secondary

#9D973D

accent

#DC41E7

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171C67

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

Preview Lab → · Contrast checker → · Palette generator →