#17457B#17457B

#17457B is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.0% C 0.104 H 254.8°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX#17457B
RGBrgb(23, 69, 123)
HSLhsl(212, 68%, 29%)
HSVhsv(212, 81%, 48%)
CMYKcmyk(81.3%, 43.9%, 0%, 51.8%)
CIE-LABlab(29.08, 5.40, -35.11)
CIE-LCHlch(29.08, 35.52, 278.75°)
OKLaboklab(38.99% -0.0273 -0.1005)
OKLCHoklch(38.99% 0.104 254.8)
XYZxyz(6.0553, 5.8677, 19.5485)
Luminance0.0587 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17457B #7B4D17
analogous
#17777B #17457B #1B177B
triadic
#17457B #7B1745 #457B17
tetradic
#17457B #7B1777 #7B4D17 #177B1B
square
#17457B #7B1777 #7B4D17 #177B1B
split-complementary
#17457B #7B1B17 #777B17
monochromatic
#050E1A #0D2847 #17457B #2162AF #3380D9

Accessibility & contrast

On white

9.66
#17457B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#17457B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17457B
9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17457B#FFFFFF#000000##FFFFFF
##17457B1.009.662.179.66
#FFFFFF9.661.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A497D
Deuteranopia (green-blind)
#18407A
Tritanopia (blue-blind)
#00525A
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #17457b;
/* rgb */ color: rgb(23, 69, 123);
/* oklch */ color: oklch(39.0% 0.104 254.8);
Tailwind
colors: {
  custom: {
    50: '#6578a1',
    500: '#17457b',
    950: '#000000',
  },
}
SCSS
$custom: #17457b;
$custom-light: #6578a1;
$custom-dark: #000000;
JSON
{
  "hex": "#17457b",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 123
  },
  "hsl": {
    "h": 212.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38986,
    "c": 0.10413,
    "h": 254.8
  },
  "luminance": 0.05868
}

Semantic roles & 50–950 ramp

primary
#17457B
secondary
#B07B3E
accent
#9B3CEB
background
#F6F7FA
surface
#EBEDF3
border
#C6C8CD
text
#06080F
muted
#7A7B7F

Preview Lab

Preview with #17457B

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

Preview Lab → · Contrast checker → · Palette generator →

#17457B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva