#102F7B#102F7B

#102F7B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.7% C 0.135 H 263.8°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX#102F7B
RGBrgb(16, 47, 123)
HSLhsl(223, 77%, 27%)
HSVhsv(223, 87%, 48%)
CMYKcmyk(87%, 61.8%, 0%, 51.8%)
CIE-LABlab(22.21, 20.19, -46.23)
CIE-LCHlch(22.21, 50.44, 293.59°)
OKLaboklab(33.67% -0.0146 -0.1337)
OKLCHoklch(33.67% 0.135 263.8)
XYZxyz(4.8041, 3.5727, 19.1714)
Luminance0.0357 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#102F7B #7B5C10
analogous
#10647B #102F7B #27107B
triadic
#102F7B #7B102F #2F7B10
tetradic
#102F7B #7B1064 #7B5C10 #107B27
square
#102F7B #7B1064 #7B5C10 #107B27
split-complementary
#102F7B #7B2710 #647B10
monochromatic
#040A1B #091A45 #102F7B #1744B1 #235AE2

Accessibility & contrast

On white

12.25
#102F7B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.71
#102F7B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F7B
12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##102F7B#FFFFFF#000000##FFFFFF
##102F7B1.0012.251.7112.25
#FFFFFF12.251.0021.001.00
#0000001.7121.001.0021.00
##FFFFFF12.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003A7E
Deuteranopia (green-blind)
#00307A
Tritanopia (blue-blind)
#004250
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #102f7b;
/* rgb */ color: rgb(16, 47, 123);
/* oklch */ color: oklch(33.7% 0.135 263.8);
Tailwind
colors: {
  custom: {
    50: '#6467a2',
    500: '#102f7b',
    950: '#000000',
  },
}
SCSS
$custom: #102f7b;
$custom-light: #6467a2;
$custom-dark: #000000;
JSON
{
  "hex": "#102f7b",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 222.617,
    "s": 76.978,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33675,
    "c": 0.13452,
    "h": 263.8
  },
  "luminance": 0.03573
}

Semantic roles & 50–950 ramp

primary
#102F7B
secondary
#B28E35
accent
#BC34F4
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#06060F
muted
#7A7A7F

Preview Lab

Preview with #102F7B

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

Preview Lab → · Contrast checker → · Palette generator →

#102F7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva