#171E67#171E67

#171E67 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.6% C 0.126 H 271.3°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#171E67
RGB	rgb(23, 30, 103)
HSL	hsl(235, 63%, 25%)
HSV	hsv(235, 78%, 40%)
CMYK	cmyk(77.7%, 70.9%, 0%, 59.6%)
CIE-LAB	lab(15.95, 24.82, -43.55)
CIE-LCH	lch(15.95, 50.12, 299.68°)
OKLab	oklab(28.55% 0.0029 -0.1259)
OKLCH	oklch(28.55% 0.126 271.3)
XYZ	xyz(3.2650, 2.0896, 13.0606)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E67 #676017

analogous

#174667 #171E67 #381767

triadic

#171E67 #67171E #1E6717

tetradic

#171E67 #671746 #676017 #176738

square

#171E67 #671746 #676017 #176738

split-complementary

#171E67 #673817 #466717

monochromatic

#060719 #0C0F35 #171E67 #222D99 #2D3BCB

Accessibility & contrast

On white

14.81

#171E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#171E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E67

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E67	#FFFFFF	#000000	##FFFFFF
##171E67	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B69

Deuteranopia (green-blind)

#002466

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171e67;
/* rgb */ color: rgb(23, 30, 103);
/* oklch */ color: oklch(28.6% 0.126 271.3);

Tailwind

colors: {
  custom: {
    50: '#625a93',
    500: '#171e67',
    950: '#000000',
  },
}

SCSS

$custom: #171e67;
$custom-light: #625a93;
$custom-dark: #000000;

JSON

{
  "hex": "#171e67",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 103
  },
  "hsl": {
    "h": 234.75,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.28552,
    "c": 0.12597,
    "h": 271.3
  },
  "luminance": 0.0209
}

Semantic roles & 50–950 ramp

primary

#171E67

secondary

#9D953D

accent

#D841E7

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171E67

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

Preview Lab → · Contrast checker → · Palette generator →