#102B51#102B51

#102B51 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.1% C 0.077 H 257.5°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX#102B51
RGBrgb(16, 43, 81)
HSLhsl(215, 67%, 19%)
HSVhsv(215, 80%, 32%)
CMYKcmyk(80.2%, 46.9%, 0%, 68.2%)
CIE-LABlab(17.61, 5.06, -26.23)
CIE-LCHlch(17.61, 26.72, 280.93°)
OKLaboklab(29.11% -0.0166 -0.075)
OKLCHoklch(29.11% 0.077 257.5)
XYZxyz(2.5622, 2.4317, 8.1173)
Luminance0.0243 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#102B51 #513610
analogous
#104C51 #102B51 #161051
triadic
#102B51 #51102B #2B5110
tetradic
#102B51 #51104C #513610 #105116
square
#102B51 #51104C #513610 #105116
split-complementary
#102B51 #511610 #4C5110
monochromatic
#050E1A #06101E #102B51 #1A4684 #2461B7

Accessibility & contrast

On white

14.13
#102B51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.49
#102B51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B51
14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##102B51#FFFFFF#000000##FFFFFF
##102B511.0014.131.4914.13
#FFFFFF14.131.0021.001.00
#0000001.4921.001.0021.00
##FFFFFF14.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#182E52
Deuteranopia (green-blind)
#0D2850
Tritanopia (blue-blind)
#00343A
Achromatopsia (no color)
#2B2B2B

Design tokens & code

CSS
--color: #102b51;
/* rgb */ color: rgb(16, 43, 81);
/* oklch */ color: oklch(29.1% 0.077 257.5);
Tailwind
colors: {
  custom: {
    50: '#596382',
    500: '#102b51',
    950: '#000000',
  },
}
SCSS
$custom: #102b51;
$custom-light: #596382;
$custom-dark: #000000;
JSON
{
  "hex": "#102b51",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 81
  },
  "hsl": {
    "h": 215.077,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29114,
    "c": 0.07685,
    "h": 257.5
  },
  "luminance": 0.02432
}

Semantic roles & 50–950 ramp

primary
#102B51
secondary
#8B6632
accent
#A23EEA
background
#F5F5F8
surface
#E9EAEF
border
#C5C6CA
text
#04050A
muted
#79797C

Preview Lab

Preview with #102B51

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

Preview Lab → · Contrast checker → · Palette generator →

#102B51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva