#102F5C#102F5C

#102F5C is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.0% C 0.089 H 258.1°. Best body text is #FFFFFF at 13.26:1 contrast (WCAG AA passes).

Color values

HEX#102F5C
RGBrgb(16, 47, 92)
HSLhsl(216, 70%, 21%)
HSVhsv(216, 83%, 36%)
CMYKcmyk(82.6%, 48.9%, 0%, 63.9%)
CIE-LABlab(19.70, 6.91, -30.22)
CIE-LCHlch(19.70, 31.00, 282.88°)
OKLaboklab(30.98% -0.0182 -0.0866)
OKLCHoklch(30.98% 0.089 258.1)
XYZxyz(3.1613, 2.9155, 10.5193)
Luminance0.0292 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#102F5C #5C3D10
analogous
#10555C #102F5C #17105C
triadic
#102F5C #5C102F #2F5C10
tetradic
#102F5C #5C1055 #5C3D10 #105C17
square
#102F5C #5C1055 #5C3D10 #105C17
split-complementary
#102F5C #5C1710 #555C10
monochromatic
#050D1A #071428 #102F5C #194A90 #2264C4

Accessibility & contrast

On white

13.26
#102F5C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.58
#102F5C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F5C
13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##102F5C#FFFFFF#000000##FFFFFF
##102F5C1.0013.261.5813.26
#FFFFFF13.261.0021.001.00
#0000001.5821.001.0021.00
##FFFFFF13.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#17335E
Deuteranopia (green-blind)
#062C5B
Tritanopia (blue-blind)
#003A41
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #102f5c;
/* rgb */ color: rgb(16, 47, 92);
/* oklch */ color: oklch(31.0% 0.089 258.1);
Tailwind
colors: {
  custom: {
    50: '#5b678a',
    500: '#102f5c',
    950: '#000000',
  },
}
SCSS
$custom: #102f5c;
$custom-light: #5b678a;
$custom-dark: #000000;
JSON
{
  "hex": "#102f5c",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 92
  },
  "hsl": {
    "h": 215.526,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30983,
    "c": 0.08854,
    "h": 258.1
  },
  "luminance": 0.02916
}

Semantic roles & 50–950 ramp

primary
#102F5C
secondary
#956D33
accent
#A43BED
background
#F5F6F8
surface
#E9EBF0
border
#C5C6CB
text
#04060C
muted
#797A7D

Preview Lab

Preview with #102F5C

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

Preview Lab → · Contrast checker → · Palette generator →

#102F5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva