#17557F#17557F

#17557F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.092 H 243.4°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#17557F
RGBrgb(23, 85, 127)
HSLhsl(204, 69%, 29%)
HSVhsv(204, 82%, 50%)
CMYKcmyk(81.9%, 33.1%, 0%, 50.2%)
CIE-LABlab(34.42, -3.52, -29.12)
CIE-LCHlch(34.42, 29.33, 263.11°)
OKLaboklab(43.25% -0.0414 -0.0826)
OKLCHoklch(43.25% 0.092 243.4)
XYZxyz(7.4311, 8.2106, 21.2677)
Luminance0.0821 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17557F #7F4117
analogous
#177F75 #17557F #17217F
triadic
#17557F #7F1755 #557F17
tetradic
#17557F #75177F #7F4117 #217F17
square
#17557F #75177F #7F4117 #217F17
split-complementary
#17557F #7F1721 #7F7517
monochromatic
#05111A #0E324B #17557F #2078B3 #3698DB

Accessibility & contrast

On white

7.95
#17557F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#17557F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17557F
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17557F#FFFFFF#000000##FFFFFF
##17557F1.007.952.647.95
#FFFFFF7.951.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#415681
Deuteranopia (green-blind)
#334D7E
Tritanopia (blue-blind)
#005F64
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #17557f;
/* rgb */ color: rgb(23, 85, 127);
/* oklch */ color: oklch(43.3% 0.092 243.4);
Tailwind
colors: {
  custom: {
    50: '#6684a4',
    500: '#17557f',
    950: '#000000',
  },
}
SCSS
$custom: #17557f;
$custom-light: #6684a4;
$custom-dark: #000000;
JSON
{
  "hex": "#17557f",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 127
  },
  "hsl": {
    "h": 204.231,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.43251,
    "c": 0.09243,
    "h": 243.4
  },
  "luminance": 0.08211
}

Semantic roles & 50–950 ramp

primary
#17557F
secondary
#B46E3E
accent
#833CEC
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #17557F

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

Preview Lab → · Contrast checker → · Palette generator →

#17557F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva