#104B8D#104B8D

#104B8D is a dark, vivid cyan. Relative luminance 0.071; OKLCH L 41.6% C 0.124 H 255.0°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX#104B8D
RGBrgb(16, 75, 141)
HSLhsl(212, 80%, 31%)
HSVhsv(212, 89%, 55%)
CMYKcmyk(88.7%, 46.8%, 0%, 44.7%)
CIE-LABlab(31.95, 8.10, -41.66)
CIE-LCHlch(31.95, 42.44, 281.01°)
OKLaboklab(41.55% -0.032 -0.1197)
OKLCHoklch(41.55% 0.124 255)
XYZxyz(7.5357, 7.0644, 26.1605)
Luminance0.0707 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#104B8D #8D5210
analogous
#10898D #104B8D #13108D
triadic
#104B8D #8D104B #4B8D10
tetradic
#104B8D #8D1089 #8D5210 #108D13
square
#104B8D #8D1089 #8D5210 #108D13
split-complementary
#104B8D #8D1310 #898D10
monochromatic
#04111F #0A2E56 #104B8D #1668C4 #3087E7

Accessibility & contrast

On white

8.70
#104B8D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#104B8D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B8D
8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##104B8D#FFFFFF#000000##FFFFFF
##104B8D1.008.702.418.70
#FFFFFF8.701.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#275190
Deuteranopia (green-blind)
#06468C
Tritanopia (blue-blind)
#005B65
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #104b8d;
/* rgb */ color: rgb(16, 75, 141);
/* oklch */ color: oklch(41.6% 0.124 255.0);
Tailwind
colors: {
  custom: {
    50: '#687caf',
    500: '#104b8d',
    950: '#000000',
  },
}
SCSS
$custom: #104b8d;
$custom-light: #687caf;
$custom-dark: #000000;
JSON
{
  "hex": "#104b8d",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 141
  },
  "hsl": {
    "h": 211.68,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.41551,
    "c": 0.12389,
    "h": 255
  },
  "luminance": 0.07065
}

Semantic roles & 50–950 ramp

primary
#104B8D
secondary
#C28037
accent
#9932F6
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #104B8D

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

Preview Lab → · Contrast checker → · Palette generator →

#104B8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva