#173358#173358

#173358 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.0% C 0.075 H 256.2°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#173358
RGB	rgb(23, 51, 88)
HSL	hsl(214, 59%, 22%)
HSV	hsv(214, 74%, 35%)
CMYK	cmyk(73.9%, 42%, 0%, 65.5%)
CIE-LAB	lab(21.03, 3.45, -25.43)
CIE-LCH	lch(21.03, 25.66, 277.73°)
OKLab	oklab(32.01% -0.0178 -0.0724)
OKLCH	oklch(32.01% 0.075 256.2)
XYZ	xyz(3.2980, 3.2541, 9.6849)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173358 #583C17

analogous

#175458 #173358 #1C1758

triadic

#173358 #581733 #335817

tetradic

#173358 #581754 #583C17 #17581C

square

#173358 #581754 #583C17 #17581C

split-complementary

#173358 #581C17 #545817

monochromatic

#060E18 #0A1727 #173358 #244F89 #306BB9

Accessibility & contrast

On white

12.72

#173358 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#173358 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173358

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173358	#FFFFFF	#000000	##FFFFFF
##173358	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223659

Deuteranopia (green-blind)

#183057

Tritanopia (blue-blind)

#003C41

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173358;
/* rgb */ color: rgb(23, 51, 88);
/* oklch */ color: oklch(32.0% 0.075 256.2);

Tailwind

colors: {
  custom: {
    50: '#5d6a87',
    500: '#173358',
    950: '#000000',
  },
}

SCSS

$custom: #173358;
$custom-light: #5d6a87;
$custom-dark: #000000;

JSON

{
  "hex": "#173358",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 88
  },
  "hsl": {
    "h": 214.154,
    "s": 58.559,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32008,
    "c": 0.07455,
    "h": 256.2
  },
  "luminance": 0.03254
}

Semantic roles & 50–950 ramp

primary

#173358

secondary

#8F6B3C

accent

#9F46E2

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05060B

muted

#797A7C

Preview Lab

Preview with #173358

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

Preview Lab → · Contrast checker → · Palette generator →