#17437A#17437A

#17437A is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.4% C 0.105 H 255.9°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#17437A
RGB	rgb(23, 67, 122)
HSL	hsl(213, 68%, 28%)
HSV	hsv(213, 81%, 48%)
CMYK	cmyk(81.1%, 45.1%, 0%, 52.2%)
CIE-LAB	lab(28.38, 6.36, -35.59)
CIE-LCH	lch(28.38, 36.16, 280.13°)
OKLab	oklab(38.43% -0.0257 -0.1019)
OKLCH	oklch(38.43% 0.105 255.9)
XYZ	xyz(5.8721, 5.6009, 19.1802)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17437A #7A4E17

analogous

#17747A #17437A #1C177A

triadic

#17437A #7A1743 #437A17

tetradic

#17437A #7A1774 #7A4E17 #177A1C

square

#17437A #7A1774 #7A4E17 #177A1C

split-complementary

#17437A #7A1C17 #747A17

monochromatic

#050E1A #0D2747 #17437A #215FAD #337CD9

Accessibility & contrast

On white

9.90

#17437A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#17437A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17437A

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17437A	#FFFFFF	#000000	##FFFFFF
##17437A	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27487C

Deuteranopia (green-blind)

#143F79

Tritanopia (blue-blind)

#005058

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #17437a;
/* rgb */ color: rgb(23, 67, 122);
/* oklch */ color: oklch(38.4% 0.105 255.9);

Tailwind

colors: {
  custom: {
    50: '#6576a1',
    500: '#17437a',
    950: '#000000',
  },
}

SCSS

$custom: #17437a;
$custom-light: #6576a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17437a",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 122
  },
  "hsl": {
    "h": 213.333,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38427,
    "c": 0.10513,
    "h": 255.9
  },
  "luminance": 0.05602
}

Semantic roles & 50–950 ramp

primary

#17437A

secondary

#AF7D3E

accent

#9E3DEB

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #17437A

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

Preview Lab → · Contrast checker → · Palette generator →