#172C67#172C67

#172C67 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.5% C 0.107 H 265.7°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#172C67
RGB	rgb(23, 44, 103)
HSL	hsl(224, 63%, 25%)
HSV	hsv(224, 78%, 40%)
CMYK	cmyk(77.7%, 57.3%, 0%, 59.6%)
CIE-LAB	lab(19.89, 14.77, -37.12)
CIE-LCH	lch(19.89, 39.95, 291.70°)
OKLab	oklab(31.48% -0.008 -0.1069)
OKLCH	oklch(31.48% 0.107 265.7)
XYZ	xyz(3.7014, 2.9624, 13.2061)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C67 #675217

analogous

#175467 #172C67 #2A1767

triadic

#172C67 #67172C #2C6717

tetradic

#172C67 #671754 #675217 #17672A

square

#172C67 #671754 #675217 #17672A

split-complementary

#172C67 #672A17 #546717

monochromatic

#060B19 #0C1735 #172C67 #224199 #2D57CB

Accessibility & contrast

On white

13.19

#172C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#172C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C67

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C67	#FFFFFF	#000000	##FFFFFF
##172C67	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003469

Deuteranopia (green-blind)

#002D66

Tritanopia (blue-blind)

#003A45

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172c67;
/* rgb */ color: rgb(23, 44, 103);
/* oklch */ color: oklch(31.5% 0.107 265.7);

Tailwind

colors: {
  custom: {
    50: '#616493',
    500: '#172c67',
    950: '#000000',
  },
}

SCSS

$custom: #172c67;
$custom-light: #616493;
$custom-dark: #000000;

JSON

{
  "hex": "#172c67",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 103
  },
  "hsl": {
    "h": 224.25,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.31478,
    "c": 0.10719,
    "h": 265.7
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#172C67

secondary

#9D843D

accent

#BB41E7

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#05050D

muted

#7A797E

Preview Lab

Preview with #172C67

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

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