#102A57#102A57

#102A57 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.3% C 0.088 H 260.5°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX#102A57
RGBrgb(16, 42, 87)
HSLhsl(218, 69%, 20%)
HSVhsv(218, 82%, 34%)
CMYKcmyk(81.6%, 51.7%, 0%, 65.9%)
CIE-LABlab(17.71, 8.41, -30.10)
CIE-LCHlch(17.71, 31.25, 285.61°)
OKLaboklab(29.33% -0.0144 -0.0864)
OKLCHoklch(29.33% 0.088 260.5)
XYZxyz(2.7613, 2.4539, 9.3431)
Luminance0.0245 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#102A57 #573D10
analogous
#104D57 #102A57 #191057
triadic
#102A57 #57102A #2A5710
tetradic
#102A57 #57104D #573D10 #105719
square
#102A57 #57104D #573D10 #105719
split-complementary
#102A57 #571910 #4D5710
monochromatic
#050C1A #061123 #102A57 #1A438B #235CBE

Accessibility & contrast

On white

14.09
#102A57 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.49
#102A57 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A57
14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##102A57#FFFFFF#000000##FFFFFF
##102A571.0014.091.4914.09
#FFFFFF14.091.0021.001.00
#0000001.4921.001.0021.00
##FFFFFF14.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#112F59
Deuteranopia (green-blind)
#002856
Tritanopia (blue-blind)
#00353C
Achromatopsia (no color)
#2B2B2B

Design tokens & code

CSS
--color: #102a57;
/* rgb */ color: rgb(16, 42, 87);
/* oklch */ color: oklch(29.3% 0.088 260.5);
Tailwind
colors: {
  custom: {
    50: '#5a6387',
    500: '#102a57',
    950: '#000000',
  },
}
SCSS
$custom: #102a57;
$custom-light: #5a6387;
$custom-dark: #000000;
JSON
{
  "hex": "#102a57",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 87
  },
  "hsl": {
    "h": 218.028,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29331,
    "c": 0.0876,
    "h": 260.5
  },
  "luminance": 0.02454
}

Semantic roles & 50–950 ramp

primary
#102A57
secondary
#906E32
accent
#AB3CEC
background
#F5F5F8
surface
#E9EAEF
border
#C5C6CA
text
#04050B
muted
#79797C

Preview Lab

Preview with #102A57

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

Preview Lab → · Contrast checker → · Palette generator →

#102A57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva