#172852#172852

#172852 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.080 H 265.2°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#172852
RGB	rgb(23, 40, 82)
HSL	hsl(223, 56%, 21%)
HSV	hsv(223, 72%, 32%)
CMYK	cmyk(72%, 51.2%, 0%, 67.8%)
CIE-LAB	lab(17.03, 8.95, -27.81)
CIE-LCH	lch(17.03, 29.21, 287.83°)
OKLab	oklab(28.79% -0.0067 -0.0796)
OKLCH	oklch(28.79% 0.08 265.2)
XYZ	xyz(2.6346, 2.3087, 8.2878)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172852 #524117

analogous

#174552 #172852 #231752

triadic

#172852 #521728 #285217

tetradic

#172852 #521745 #524117 #175223

square

#172852 #521745 #524117 #175223

split-complementary

#172852 #522317 #455217

monochromatic

#070C18 #0A1122 #172852 #243F82 #3257B2

Accessibility & contrast

On white

14.37

#172852 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#172852 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172852

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172852	#FFFFFF	#000000	##FFFFFF
##172852	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132D54

Deuteranopia (green-blind)

#072751

Tritanopia (blue-blind)

#003239

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #172852;
/* rgb */ color: rgb(23, 40, 82);
/* oklch */ color: oklch(28.8% 0.080 265.2);

Tailwind

colors: {
  custom: {
    50: '#5c6183',
    500: '#172852',
    950: '#000000',
  },
}

SCSS

$custom: #172852;
$custom-light: #5c6183;
$custom-dark: #000000;

JSON

{
  "hex": "#172852",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 82
  },
  "hsl": {
    "h": 222.712,
    "s": 56.19,
    "l": 20.588
  },
  "oklch": {
    "l": 0.28786,
    "c": 0.07987,
    "h": 265.2
  },
  "luminance": 0.02309
}

Semantic roles & 50–950 ramp

primary

#172852

secondary

#89733C

accent

#B448DF

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050A

muted

#79797C

Preview Lab

Preview with #172852

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

Preview Lab → · Contrast checker → · Palette generator →