#17557A#17557A

#17557A is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.0% C 0.086 H 240.1°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#17557A
RGB	rgb(23, 85, 122)
HSL	hsl(202, 68%, 28%)
HSV	hsv(202, 81%, 48%)
CMYK	cmyk(81.1%, 30.3%, 0%, 52.2%)
CIE-LAB	lab(34.16, -5.48, -26.44)
CIE-LCH	lch(34.16, 27.00, 258.29°)
OKLab	oklab(42.96% -0.0431 -0.0748)
OKLCH	oklch(42.96% 0.086 240.1)
XYZ	xyz(7.1133, 8.0834, 19.5939)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17557A #7A3C17

analogous

#177A6D #17557A #17237A

triadic

#17557A #7A1755 #557A17

tetradic

#17557A #6D177A #7A3C17 #237A17

square

#17557A #6D177A #7A3C17 #237A17

split-complementary

#17557A #7A1723 #7A6D17

monochromatic

#05121A #0D3147 #17557A #2179AD #339BD9

Accessibility & contrast

On white

8.03

#17557A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#17557A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17557A

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17557A	#FFFFFF	#000000	##FFFFFF
##17557A	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44557C

Deuteranopia (green-blind)

#364C79

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #17557a;
/* rgb */ color: rgb(23, 85, 122);
/* oklch */ color: oklch(43.0% 0.086 240.1);

Tailwind

colors: {
  custom: {
    50: '#6584a0',
    500: '#17557a',
    950: '#000000',
  },
}

SCSS

$custom: #17557a;
$custom-light: #6584a0;
$custom-dark: #000000;

JSON

{
  "hex": "#17557a",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 122
  },
  "hsl": {
    "h": 202.424,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.42958,
    "c": 0.08636,
    "h": 240.1
  },
  "luminance": 0.08084
}

Semantic roles & 50–950 ramp

primary

#17557A

secondary

#AF683E

accent

#7E3DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0F

muted

#7A7C7E

Preview Lab

Preview with #17557A

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

Preview Lab → · Contrast checker → · Palette generator →