#102C51#102C51

#102C51 is a dark, moderate cyan. Relative luminance 0.025; OKLCH L 29.4% C 0.076 H 256.5°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX#102C51
RGBrgb(16, 44, 81)
HSLhsl(214, 67%, 19%)
HSVhsv(214, 80%, 32%)
CMYKcmyk(80.2%, 45.7%, 0%, 68.2%)
CIE-LABlab(17.94, 4.33, -25.70)
CIE-LCHlch(17.94, 26.06, 279.57°)
OKLaboklab(29.37% -0.0177 -0.0734)
OKLCHoklch(29.37% 0.076 256.5)
XYZxyz(2.5990, 2.5053, 8.1296)
Luminance0.0251 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#102C51 #513510
analogous
#104D51 #102C51 #151051
triadic
#102C51 #51102C #2C5110
tetradic
#102C51 #51104D #513510 #105115
square
#102C51 #51104D #513510 #105115
split-complementary
#102C51 #511510 #4D5110
monochromatic
#050E1A #06101E #102C51 #1A4884 #2464B7

Accessibility & contrast

On white

13.99
#102C51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.50
#102C51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102C51
13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##102C51#FFFFFF#000000##FFFFFF
##102C511.0013.991.5013.99
#FFFFFF13.991.0021.001.00
#0000001.5021.001.0021.00
##FFFFFF13.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A2F52
Deuteranopia (green-blind)
#0F2950
Tritanopia (blue-blind)
#00353A
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #102c51;
/* rgb */ color: rgb(16, 44, 81);
/* oklch */ color: oklch(29.4% 0.076 256.5);
Tailwind
colors: {
  custom: {
    50: '#586482',
    500: '#102c51',
    950: '#000000',
  },
}
SCSS
$custom: #102c51;
$custom-light: #586482;
$custom-dark: #000000;
JSON
{
  "hex": "#102c51",
  "rgb": {
    "r": 16,
    "g": 44,
    "b": 81
  },
  "hsl": {
    "h": 214.154,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29374,
    "c": 0.07553,
    "h": 256.5
  },
  "luminance": 0.02506
}

Semantic roles & 50–950 ramp

primary
#102C51
secondary
#8B6532
accent
#A03EEA
background
#F5F5F7
surface
#E9EAEE
border
#C5C6C9
text
#04050A
muted
#79797C

Preview Lab

Preview with #102C51

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

Preview Lab → · Contrast checker → · Palette generator →

#102C51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva