#173456#173456

#173456 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.1% C 0.070 H 253.9°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#173456
RGB	rgb(23, 52, 86)
HSL	hsl(212, 58%, 21%)
HSV	hsv(212, 73%, 34%)
CMYK	cmyk(73.3%, 39.5%, 0%, 66.3%)
CIE-LAB	lab(21.24, 1.93, -23.77)
CIE-LCH	lch(21.24, 23.85, 274.63°)
OKLab	oklab(32.13% -0.0195 -0.0675)
OKLCH	oklch(32.13% 0.07 253.9)
XYZ	xyz(3.2604, 3.3097, 9.2693)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173456 #563917

analogous

#175456 #173456 #1A1756

triadic

#173456 #561734 #345617

tetradic

#173456 #561754 #563917 #17561A

square

#173456 #561754 #563917 #17561A

split-complementary

#173456 #561A17 #545617

monochromatic

#060F18 #0A1726 #173456 #245186 #316EB7

Accessibility & contrast

On white

12.64

#173456 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#173456 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173456

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173456	#FFFFFF	#000000	##FFFFFF
##173456	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253657

Deuteranopia (green-blind)

#1C3055

Tritanopia (blue-blind)

#003C41

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173456;
/* rgb */ color: rgb(23, 52, 86);
/* oklch */ color: oklch(32.1% 0.070 253.9);

Tailwind

colors: {
  custom: {
    50: '#5c6b86',
    500: '#173456',
    950: '#000000',
  },
}

SCSS

$custom: #173456;
$custom-light: #5c6b86;
$custom-dark: #000000;

JSON

{
  "hex": "#173456",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 86
  },
  "hsl": {
    "h": 212.381,
    "s": 57.798,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32131,
    "c": 0.07028,
    "h": 253.9
  },
  "luminance": 0.0331
}

Semantic roles & 50–950 ramp

primary

#173456

secondary

#8D683C

accent

#9A47E1

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #173456

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

Preview Lab → · Contrast checker → · Palette generator →