#1D668B#1D668B

#1D668B is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.4% C 0.091 H 235.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#1D668B
RGBrgb(29, 102, 139)
HSLhsl(200, 65%, 33%)
HSVhsv(200, 79%, 55%)
CMYKcmyk(79.1%, 26.6%, 0%, 45.5%)
CIE-LABlab(40.62, -8.65, -26.69)
CIE-LCHlch(40.62, 28.06, 252.04°)
OKLaboklab(48.41% -0.0513 -0.0753)
OKLCHoklch(48.41% 0.091 235.7)
XYZxyz(9.9164, 11.6268, 26.1427)
Luminance0.1163 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D668B #8B421D
analogous
#1D8B79 #1D668B #1D2F8B
triadic
#1D668B #8B1D66 #668B1D
tetradic
#1D668B #791D8B #8B421D #2F8B1D
square
#1D668B #791D8B #8B421D #2F8B1D
split-complementary
#1D668B #8B1D2F #8B791D
monochromatic
#081C26 #124158 #1D668B #288BBE #49A9D9

Accessibility & contrast

On white

6.31
#1D668B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#1D668B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D668B
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D668B#FFFFFF#000000##FFFFFF
##1D668B1.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#54658D
Deuteranopia (green-blind)
#455B8A
Tritanopia (blue-blind)
#007073
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #1d668b;
/* rgb */ color: rgb(29, 102, 139);
/* oklch */ color: oklch(48.4% 0.091 235.7);
Tailwind
colors: {
  custom: {
    50: '#6b91ad',
    500: '#1d668b',
    950: '#000000',
  },
}
SCSS
$custom: #1d668b;
$custom-light: #6b91ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1d668b",
  "rgb": {
    "r": 29,
    "g": 102,
    "b": 139
  },
  "hsl": {
    "h": 200.182,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.48408,
    "c": 0.09113,
    "h": 235.7
  },
  "luminance": 0.11628
}

Semantic roles & 50–950 ramp

primary
#1D668B
secondary
#BB6F49
accent
#783FE8
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1D668B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D668B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva