#17547B#17547B

#17547B is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.088 H 241.8°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#17547B
RGB	rgb(23, 84, 123)
HSL	hsl(203, 68%, 29%)
HSV	hsv(203, 81%, 48%)
CMYK	cmyk(81.3%, 31.7%, 0%, 51.8%)
CIE-LAB	lab(33.88, -4.46, -27.49)
CIE-LCH	lch(33.88, 27.85, 260.78°)
OKLab	oklab(42.76% -0.0417 -0.0779)
OKLCH	oklch(42.76% 0.088 241.8)
XYZ	xyz(7.0974, 7.9520, 19.8959)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17547B #7B3E17

analogous

#177B70 #17547B #17227B

triadic

#17547B #7B1754 #547B17

tetradic

#17547B #70177B #7B3E17 #227B17

square

#17547B #70177B #7B3E17 #227B17

split-complementary

#17547B #7B1722 #7B7017

monochromatic

#05121A #0D3147 #17547B #2177AF #3398D9

Accessibility & contrast

On white

8.11

#17547B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#17547B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17547B

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17547B	#FFFFFF	#000000	##FFFFFF
##17547B	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557D

Deuteranopia (green-blind)

#344C7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #17547b;
/* rgb */ color: rgb(23, 84, 123);
/* oklch */ color: oklch(42.8% 0.088 241.8);

Tailwind

colors: {
  custom: {
    50: '#6583a1',
    500: '#17547b',
    950: '#000000',
  },
}

SCSS

$custom: #17547b;
$custom-light: #6583a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17547b",
  "rgb": {
    "r": 23,
    "g": 84,
    "b": 123
  },
  "hsl": {
    "h": 203.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.42759,
    "c": 0.08838,
    "h": 241.8
  },
  "luminance": 0.07953
}

Semantic roles & 50–950 ramp

primary

#17547B

secondary

#B06A3E

accent

#813CEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #17547B

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

Preview Lab → · Contrast checker → · Palette generator →