#143C76#143C76

#143C76 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.109 H 258.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#143C76
RGB	rgb(20, 60, 118)
HSL	hsl(216, 71%, 27%)
HSV	hsv(216, 83%, 46%)
CMYK	cmyk(83.1%, 49.2%, 0%, 53.7%)
CIE-LAB	lab(25.83, 9.20, -37.18)
CIE-LCH	lch(25.83, 38.30, 283.90°)
OKLab	oklab(36.34% -0.0222 -0.1068)
OKLCH	oklch(36.34% 0.109 258.3)
XYZ	xyz(5.1732, 4.6878, 17.7682)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C76 #764E14

analogous

#146D76 #143C76 #1D1476

triadic

#143C76 #76143C #3C7614

tetradic

#143C76 #76146D #764E14 #14761D

square

#143C76 #76146D #764E14 #14761D

split-complementary

#143C76 #761D14 #6D7614

monochromatic

#040D1A #0B2142 #143C76 #1D57AA #2A72DB

Accessibility & contrast

On white

10.84

#143C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#143C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C76

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C76	#FFFFFF	#000000	##FFFFFF
##143C76	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4278

Deuteranopia (green-blind)

#013975

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143c76;
/* rgb */ color: rgb(20, 60, 118);
/* oklch */ color: oklch(36.3% 0.109 258.3);

Tailwind

colors: {
  custom: {
    50: '#63719e',
    500: '#143c76',
    950: '#000000',
  },
}

SCSS

$custom: #143c76;
$custom-light: #63719e;
$custom-dark: #000000;

JSON

{
  "hex": "#143c76",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 118
  },
  "hsl": {
    "h": 215.51,
    "s": 71.014,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36336,
    "c": 0.10908,
    "h": 258.3
  },
  "luminance": 0.04688
}

Semantic roles & 50–950 ramp

primary

#143C76

secondary

#AC7D3A

accent

#A43AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143C76

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

Preview Lab → · Contrast checker → · Palette generator →