#103D7B#103D7B

#103D7B is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.8% C 0.116 H 257.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX#103D7B
RGBrgb(16, 61, 123)
HSLhsl(215, 77%, 27%)
HSVhsv(215, 87%, 48%)
CMYKcmyk(87%, 50.4%, 0%, 51.8%)
CIE-LABlab(26.38, 10.20, -39.45)
CIE-LCHlch(26.38, 40.75, 284.50°)
OKLaboklab(36.85% -0.0244 -0.1135)
OKLCHoklch(36.85% 0.116 257.8)
XYZxyz(5.4563, 4.8770, 19.3888)
Luminance0.0488 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103D7B #7B4E10
analogous
#10737B #103D7B #18107B
triadic
#103D7B #7B103D #3D7B10
tetradic
#103D7B #7B1073 #7B4E10 #107B18
square
#103D7B #7B1073 #7B4E10 #107B18
split-complementary
#103D7B #7B1810 #737B10
monochromatic
#040D1B #092245 #103D7B #1758B1 #2373E2

Accessibility & contrast

On white

10.63
#103D7B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#103D7B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D7B
10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103D7B#FFFFFF#000000##FFFFFF
##103D7B1.0010.631.9810.63
#FFFFFF10.631.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#18437D
Deuteranopia (green-blind)
#003A7A
Tritanopia (blue-blind)
#004C56
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #103d7b;
/* rgb */ color: rgb(16, 61, 123);
/* oklch */ color: oklch(36.8% 0.116 257.8);
Tailwind
colors: {
  custom: {
    50: '#6371a2',
    500: '#103d7b',
    950: '#000000',
  },
}
SCSS
$custom: #103d7b;
$custom-light: #6371a2;
$custom-dark: #000000;
JSON
{
  "hex": "#103d7b",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 123
  },
  "hsl": {
    "h": 214.766,
    "s": 76.978,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36846,
    "c": 0.11611,
    "h": 257.8
  },
  "luminance": 0.04878
}

Semantic roles & 50–950 ramp

primary
#103D7B
secondary
#B27D35
accent
#A334F4
background
#F6F6FA
surface
#EBECF3
border
#C6C7CD
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #103D7B

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

Preview Lab → · Contrast checker → · Palette generator →

#103D7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva