#172154#172154

#172154 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.3% C 0.093 H 270.6°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#172154
RGB	rgb(23, 33, 84)
HSL	hsl(230, 57%, 21%)
HSV	hsv(230, 73%, 33%)
CMYK	cmyk(72.6%, 60.7%, 0%, 67.1%)
CIE-LAB	lab(15.01, 14.99, -32.43)
CIE-LCH	lch(15.01, 35.72, 294.81°)
OKLab	oklab(27.3% 0.001 -0.0933)
OKLCH	oklch(27.3% 0.093 270.6)
XYZ	xyz(2.4969, 1.9097, 8.6228)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172154 #544A17

analogous

#173F54 #172154 #2B1754

triadic

#172154 #541721 #215417

tetradic

#172154 #54173F #544A17 #17542B

square

#172154 #54173F #544A17 #17542B

split-complementary

#172154 #542B17 #3F5417

monochromatic

#070918 #0A0E24 #172154 #243484 #3147B4

Accessibility & contrast

On white

15.20

#172154 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#172154 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172154

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172154	#FFFFFF	#000000	##FFFFFF
##172154	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002956

Deuteranopia (green-blind)

#002353

Tritanopia (blue-blind)

#002D36

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #172154;
/* rgb */ color: rgb(23, 33, 84);
/* oklch */ color: oklch(27.3% 0.093 270.6);

Tailwind

colors: {
  custom: {
    50: '#5d5b85',
    500: '#172154',
    950: '#000000',
  },
}

SCSS

$custom: #172154;
$custom-light: #5d5b85;
$custom-dark: #000000;

JSON

{
  "hex": "#172154",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 84
  },
  "hsl": {
    "h": 230.164,
    "s": 57.009,
    "l": 20.98
  },
  "oklch": {
    "l": 0.27303,
    "c": 0.0933,
    "h": 270.6
  },
  "luminance": 0.0191
}

Semantic roles & 50–950 ramp

primary

#172154

secondary

#8B7E3C

accent

#C748E0

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #172154

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

Preview Lab → · Contrast checker → · Palette generator →