#17457C#17457C

#17457C is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.1% C 0.106 H 255.2°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX#17457C
RGBrgb(23, 69, 124)
HSLhsl(213, 69%, 29%)
HSVhsv(213, 81%, 49%)
CMYKcmyk(81.5%, 44.4%, 0%, 51.4%)
CIE-LABlab(29.14, 5.81, -35.63)
CIE-LCHlch(29.14, 36.10, 279.27°)
OKLaboklab(39.06% -0.027 -0.102)
OKLCHoklch(39.06% 0.106 255.2)
XYZxyz(6.1182, 5.8929, 19.8799)
Luminance0.0589 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17457C #7C4E17
analogous
#17787C #17457C #1C177C
triadic
#17457C #7C1745 #457C17
tetradic
#17457C #7C1778 #7C4E17 #177C1C
square
#17457C #7C1778 #7C4E17 #177C1C
split-complementary
#17457C #7C1C17 #787C17
monochromatic
#050E1A #0D2848 #17457C #2162B0 #347FD9

Accessibility & contrast

On white

9.64
#17457C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.18
#17457C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17457C
9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17457C#FFFFFF#000000##FFFFFF
##17457C1.009.642.189.64
#FFFFFF9.641.0021.001.00
#0000002.1821.001.0021.00
##FFFFFF9.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#294A7E
Deuteranopia (green-blind)
#17407B
Tritanopia (blue-blind)
#00525A
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #17457c;
/* rgb */ color: rgb(23, 69, 124);
/* oklch */ color: oklch(39.1% 0.106 255.2);
Tailwind
colors: {
  custom: {
    50: '#6578a2',
    500: '#17457c',
    950: '#000000',
  },
}
SCSS
$custom: #17457c;
$custom-light: #6578a2;
$custom-dark: #000000;
JSON
{
  "hex": "#17457c",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 124
  },
  "hsl": {
    "h": 212.673,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39057,
    "c": 0.10555,
    "h": 255.2
  },
  "luminance": 0.05894
}

Semantic roles & 50–950 ramp

primary
#17457C
secondary
#B17D3E
accent
#9C3CEC
background
#F6F7FA
surface
#EBEDF3
border
#C6C8CD
text
#06080F
muted
#7A7B7F

Preview Lab

Preview with #17457C

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

Preview Lab → · Contrast checker → · Palette generator →

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