#17427B#17427B

#17427B is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.3% C 0.108 H 256.8°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX#17427B
RGBrgb(23, 66, 123)
HSLhsl(214, 68%, 29%)
HSVhsv(214, 81%, 48%)
CMYKcmyk(81.3%, 46.3%, 0%, 51.8%)
CIE-LABlab(28.14, 7.46, -36.62)
CIE-LCHlch(28.14, 37.37, 281.51°)
OKLaboklab(38.26% -0.0245 -0.105)
OKLCHoklch(38.26% 0.108 256.8)
XYZxyz(5.8754, 5.5080, 19.4885)
Luminance0.0551 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17427B #7B5017
analogous
#17747B #17427B #1E177B
triadic
#17427B #7B1742 #427B17
tetradic
#17427B #7B1774 #7B5017 #177B1E
square
#17427B #7B1774 #7B5017 #177B1E
split-complementary
#17427B #7B1E17 #747B17
monochromatic
#050E1A #0D2647 #17427B #215EAF #337BD9

Accessibility & contrast

On white

9.99
#17427B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#17427B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17427B
9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17427B#FFFFFF#000000##FFFFFF
##17427B1.009.992.109.99
#FFFFFF9.991.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF9.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#25477D
Deuteranopia (green-blind)
#0F3E7A
Tritanopia (blue-blind)
#005058
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #17427b;
/* rgb */ color: rgb(23, 66, 123);
/* oklch */ color: oklch(38.3% 0.108 256.8);
Tailwind
colors: {
  custom: {
    50: '#6575a1',
    500: '#17427b',
    950: '#000000',
  },
}
SCSS
$custom: #17427b;
$custom-light: #6575a1;
$custom-dark: #000000;
JSON
{
  "hex": "#17427b",
  "rgb": {
    "r": 23,
    "g": 66,
    "b": 123
  },
  "hsl": {
    "h": 214.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38257,
    "c": 0.10781,
    "h": 256.8
  },
  "luminance": 0.05509
}

Semantic roles & 50–950 ramp

primary
#17427B
secondary
#B07F3E
accent
#A03CEB
background
#F6F7FA
surface
#EBEDF3
border
#C6C8CD
text
#06080F
muted
#7A7B7F

Preview Lab

Preview with #17427B

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

Preview Lab → · Contrast checker → · Palette generator →

#17427B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva