#17487B#17487B

#17487B is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.7% C 0.101 H 252.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#17487B
RGB	rgb(23, 72, 123)
HSL	hsl(211, 68%, 29%)
HSV	hsv(211, 81%, 48%)
CMYK	cmyk(81.3%, 41.5%, 0%, 51.8%)
CIE-LAB	lab(30.03, 3.37, -33.59)
CIE-LCH	lch(30.03, 33.76, 275.73°)
OKLab	oklab(39.73% -0.0301 -0.096)
OKLCH	oklch(39.73% 0.101 252.6)
XYZ	xyz(6.2445, 6.2462, 19.6116)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17487B #7B4A17

analogous

#177A7B #17487B #18177B

triadic

#17487B #7B1748 #487B17

tetradic

#17487B #7B177A #7B4A17 #177B18

square

#17487B #7B177A #7B4A17 #177B18

split-complementary

#17487B #7B1817 #7A7B17

monochromatic

#050F1A #0D2A47 #17487B #2166AF #3385D9

Accessibility & contrast

On white

9.34

#17487B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#17487B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17487B

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17487B	#FFFFFF	#000000	##FFFFFF
##17487B	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4C7D

Deuteranopia (green-blind)

#1F437A

Tritanopia (blue-blind)

#00545B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #17487b;
/* rgb */ color: rgb(23, 72, 123);
/* oklch */ color: oklch(39.7% 0.101 252.6);

Tailwind

colors: {
  custom: {
    50: '#657aa1',
    500: '#17487b',
    950: '#000000',
  },
}

SCSS

$custom: #17487b;
$custom-light: #657aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#17487b",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 210.6,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39725,
    "c": 0.10058,
    "h": 252.6
  },
  "luminance": 0.06247
}

Semantic roles & 50–950 ramp

primary

#17487B

secondary

#B0783E

accent

#963CEB

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #17487B

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

Preview Lab → · Contrast checker → · Palette generator →