#143F7E#143F7E

#143F7E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.117 H 258.5°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX#143F7E
RGBrgb(20, 63, 126)
HSLhsl(216, 73%, 29%)
HSVhsv(216, 84%, 49%)
CMYKcmyk(84.1%, 50%, 0%, 50.6%)
CIE-LABlab(27.32, 10.46, -39.81)
CIE-LCHlch(27.32, 41.16, 284.72°)
OKLaboklab(37.67% -0.0233 -0.1145)
OKLCHoklch(37.67% 0.117 258.5)
XYZxyz(5.8305, 5.2094, 20.4328)
Luminance0.0521 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143F7E #7E5314
analogous
#14747E #143F7E #1E147E
triadic
#143F7E #7E143F #3F7E14
tetradic
#143F7E #7E1474 #7E5314 #147E1E
square
#143F7E #7E1474 #7E5314 #147E1E
split-complementary
#143F7E #7E1E14 #747E14
monochromatic
#040D1A #0C2549 #143F7E #1C59B3 #2E76DE

Accessibility & contrast

On white

10.28
#143F7E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.04
#143F7E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F7E
10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143F7E#FFFFFF#000000##FFFFFF
##143F7E1.0010.282.0410.28
#FFFFFF10.281.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B4680
Deuteranopia (green-blind)
#003C7D
Tritanopia (blue-blind)
#004E58
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #143f7e;
/* rgb */ color: rgb(20, 63, 126);
/* oklch */ color: oklch(37.7% 0.117 258.5);
Tailwind
colors: {
  custom: {
    50: '#6573a4',
    500: '#143f7e',
    950: '#000000',
  },
}
SCSS
$custom: #143f7e;
$custom-light: #6573a4;
$custom-dark: #000000;
JSON
{
  "hex": "#143f7e",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 126
  },
  "hsl": {
    "h": 215.66,
    "s": 72.603,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37671,
    "c": 0.11682,
    "h": 258.5
  },
  "luminance": 0.0521
}

Semantic roles & 50–950 ramp

primary
#143F7E
secondary
#B3823A
accent
#A538EF
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#06080F
muted
#7A7B7F

Preview Lab

Preview with #143F7E

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

Preview Lab → · Contrast checker → · Palette generator →

#143F7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva