#102A55#102A55

#102A55 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.084 H 259.9°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX#102A55
RGBrgb(16, 42, 85)
HSLhsl(217, 68%, 20%)
HSVhsv(217, 81%, 33%)
CMYKcmyk(81.2%, 50.6%, 0%, 66.7%)
CIE-LABlab(17.56, 7.54, -28.99)
CIE-LCHlch(17.56, 29.96, 284.57°)
OKLaboklab(29.17% -0.0148 -0.0832)
OKLCHoklch(29.17% 0.084 259.9)
XYZxyz(2.6807, 2.4217, 8.9187)
Luminance0.0242 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#102A55 #553B10
analogous
#104D55 #102A55 #181055
triadic
#102A55 #55102A #2A5510
tetradic
#102A55 #55104D #553B10 #105518
square
#102A55 #55104D #553B10 #105518
split-complementary
#102A55 #551810 #4D5510
monochromatic
#050D1A #061121 #102A55 #1A4389 #235DBC

Accessibility & contrast

On white

14.15
#102A55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.48
#102A55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A55
14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##102A55#FFFFFF#000000##FFFFFF
##102A551.0014.151.4814.15
#FFFFFF14.151.0021.001.00
#0000001.4821.001.0021.00
##FFFFFF14.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#132E57
Deuteranopia (green-blind)
#042854
Tritanopia (blue-blind)
#00343B
Achromatopsia (no color)
#2B2B2B

Design tokens & code

CSS
--color: #102a55;
/* rgb */ color: rgb(16, 42, 85);
/* oklch */ color: oklch(29.2% 0.084 259.9);
Tailwind
colors: {
  custom: {
    50: '#5a6385',
    500: '#102a55',
    950: '#000000',
  },
}
SCSS
$custom: #102a55;
$custom-light: #5a6385;
$custom-dark: #000000;
JSON
{
  "hex": "#102a55",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 85
  },
  "hsl": {
    "h": 217.391,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2917,
    "c": 0.08447,
    "h": 259.9
  },
  "luminance": 0.02422
}

Semantic roles & 50–950 ramp

primary
#102A55
secondary
#8F6C32
accent
#A93DEB
background
#F5F5F8
surface
#E9EAEF
border
#C5C6CA
text
#04050B
muted
#79797C

Preview Lab

Preview with #102A55

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

Preview Lab → · Contrast checker → · Palette generator →

#102A55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva