#17477B#17477B

#17477B is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.5% C 0.102 H 253.4°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#17477B
RGB	rgb(23, 71, 123)
HSL	hsl(211, 68%, 29%)
HSV	hsv(211, 81%, 48%)
CMYK	cmyk(81.3%, 42.3%, 0%, 51.8%)
CIE-LAB	lab(29.71, 4.04, -34.10)
CIE-LCH	lch(29.71, 34.34, 276.76°)
OKLab	oklab(39.48% -0.0291 -0.0975)
OKLCH	oklch(39.48% 0.102 253.4)
XYZ	xyz(6.1804, 6.1180, 19.5902)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17477B #7B4B17

analogous

#17797B #17477B #19177B

triadic

#17477B #7B1747 #477B17

tetradic

#17477B #7B1779 #7B4B17 #177B19

square

#17477B #7B1779 #7B4B17 #177B19

split-complementary

#17477B #7B1917 #797B17

monochromatic

#050F1A #0D2947 #17477B #2165AF #3383D9

Accessibility & contrast

On white

9.44

#17477B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#17477B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17477B

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17477B	#FFFFFF	#000000	##FFFFFF
##17477B	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4B7D

Deuteranopia (green-blind)

#1D427A

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #17477b;
/* rgb */ color: rgb(23, 71, 123);
/* oklch */ color: oklch(39.5% 0.102 253.4);

Tailwind

colors: {
  custom: {
    50: '#6579a1',
    500: '#17477b',
    950: '#000000',
  },
}

SCSS

$custom: #17477b;
$custom-light: #6579a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17477b",
  "rgb": {
    "r": 23,
    "g": 71,
    "b": 123
  },
  "hsl": {
    "h": 211.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39478,
    "c": 0.10174,
    "h": 253.4
  },
  "luminance": 0.06119
}

Semantic roles & 50–950 ramp

primary

#17477B

secondary

#B0793E

accent

#973CEB

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #17477B

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

Preview Lab → · Contrast checker → · Palette generator →