#172954#172954

#172954 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.082 H 264.7°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#172954
RGB	rgb(23, 41, 84)
HSL	hsl(222, 57%, 21%)
HSV	hsv(222, 73%, 33%)
CMYK	cmyk(72.6%, 51.2%, 0%, 67.1%)
CIE-LAB	lab(17.50, 9.04, -28.41)
CIE-LCH	lch(17.50, 29.81, 287.65°)
OKLab	oklab(29.19% -0.0075 -0.0813)
OKLCH	oklch(29.19% 0.082 264.7)
XYZ	xyz(2.7460, 2.4079, 8.7058)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172954 #544217

analogous

#174754 #172954 #231754

triadic

#172954 #541729 #295417

tetradic

#172954 #541747 #544217 #175423

square

#172954 #541747 #544217 #175423

split-complementary

#172954 #542317 #475417

monochromatic

#070C18 #0A1224 #172954 #244084 #3158B4

Accessibility & contrast

On white

14.17

#172954 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172954 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172954

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172954	#FFFFFF	#000000	##FFFFFF
##172954	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132E56

Deuteranopia (green-blind)

#072853

Tritanopia (blue-blind)

#00333A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172954;
/* rgb */ color: rgb(23, 41, 84);
/* oklch */ color: oklch(29.2% 0.082 264.7);

Tailwind

colors: {
  custom: {
    50: '#5c6284',
    500: '#172954',
    950: '#000000',
  },
}

SCSS

$custom: #172954;
$custom-light: #5c6284;
$custom-dark: #000000;

JSON

{
  "hex": "#172954",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 84
  },
  "hsl": {
    "h": 222.295,
    "s": 57.009,
    "l": 20.98
  },
  "oklch": {
    "l": 0.29189,
    "c": 0.08167,
    "h": 264.7
  },
  "luminance": 0.02408
}

Semantic roles & 50–950 ramp

primary

#172954

secondary

#8B743C

accent

#B348E0

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #172954

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

Preview Lab → · Contrast checker → · Palette generator →