#172956#172956

#172956 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.3% C 0.085 H 265.2°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#172956
RGB	rgb(23, 41, 86)
HSL	hsl(223, 58%, 21%)
HSV	hsv(223, 73%, 34%)
CMYK	cmyk(73.3%, 52.3%, 0%, 66.3%)
CIE-LAB	lab(17.64, 9.87, -29.52)
CIE-LCH	lch(17.64, 31.12, 288.50°)
OKLab	oklab(29.35% -0.0071 -0.0846)
OKLCH	oklch(29.35% 0.085 265.2)
XYZ	xyz(2.8254, 2.4396, 9.1243)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172956 #564417

analogous

#174956 #172956 #251756

triadic

#172956 #561729 #295617

tetradic

#172956 #561749 #564417 #175625

square

#172956 #561749 #564417 #175625

split-complementary

#172956 #562517 #495617

monochromatic

#060C18 #0A1226 #172956 #244086 #3157B7

Accessibility & contrast

On white

14.11

#172956 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#172956 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172956

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172956	#FFFFFF	#000000	##FFFFFF
##172956	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112E58

Deuteranopia (green-blind)

#032955

Tritanopia (blue-blind)

#00333B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172956;
/* rgb */ color: rgb(23, 41, 86);
/* oklch */ color: oklch(29.3% 0.085 265.2);

Tailwind

colors: {
  custom: {
    50: '#5d6286',
    500: '#172956',
    950: '#000000',
  },
}

SCSS

$custom: #172956;
$custom-light: #5d6286;
$custom-dark: #000000;

JSON

{
  "hex": "#172956",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 86
  },
  "hsl": {
    "h": 222.857,
    "s": 57.798,
    "l": 21.373
  },
  "oklch": {
    "l": 0.29349,
    "c": 0.08488,
    "h": 265.2
  },
  "luminance": 0.0244
}

Semantic roles & 50–950 ramp

primary

#172956

secondary

#8D763C

accent

#B547E1

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #172956

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

Preview Lab → · Contrast checker → · Palette generator →