#173A61#173A61

#173A61 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.080 H 253.2°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#173A61
RGB	rgb(23, 58, 97)
HSL	hsl(212, 62%, 24%)
HSV	hsv(212, 76%, 38%)
CMYK	cmyk(76.3%, 40.2%, 0%, 62%)
CIE-LAB	lab(23.90, 2.25, -26.77)
CIE-LCH	lch(23.90, 26.86, 274.81°)
OKLab	oklab(34.43% -0.023 -0.0762)
OKLCH	oklch(34.43% 0.08 253.2)
XYZ	xyz(4.0233, 4.0709, 11.8807)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A61 #613E17

analogous

#175F61 #173A61 #191761

triadic

#173A61 #61173A #3A6117

tetradic

#173A61 #61175F #613E17 #176119

square

#173A61 #61175F #613E17 #176119

split-complementary

#173A61 #611917 #5F6117

monochromatic

#060F19 #0B1C30 #173A61 #235892 #2E75C4

Accessibility & contrast

On white

11.58

#173A61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#173A61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A61

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A61	#FFFFFF	#000000	##FFFFFF
##173A61	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283D63

Deuteranopia (green-blind)

#1D3660

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173a61;
/* rgb */ color: rgb(23, 58, 97);
/* oklch */ color: oklch(34.4% 0.080 253.2);

Tailwind

colors: {
  custom: {
    50: '#5f6f8e',
    500: '#173a61',
    950: '#000000',
  },
}

SCSS

$custom: #173a61;
$custom-light: #5f6f8e;
$custom-dark: #000000;

JSON

{
  "hex": "#173a61",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 97
  },
  "hsl": {
    "h": 211.622,
    "s": 61.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34428,
    "c": 0.07961,
    "h": 253.2
  },
  "luminance": 0.04071
}

Semantic roles & 50–950 ramp

primary

#173A61

secondary

#986C3C

accent

#9843E5

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #173A61

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

Preview Lab → · Contrast checker → · Palette generator →