#143771#143771

#143771 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.7% C 0.108 H 260.0°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#143771
RGB	rgb(20, 55, 113)
HSL	hsl(217, 70%, 26%)
HSV	hsv(217, 82%, 44%)
CMYK	cmyk(82.3%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(23.91, 10.63, -37.08)
CIE-LCH	lch(23.91, 38.58, 286.00°)
OKLab	oklab(34.75% -0.0187 -0.1066)
OKLCH	oklch(34.75% 0.108 260)
XYZ	xyz(4.6342, 4.0728, 16.1615)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143771 #714E14

analogous

#146571 #143771 #1F1471

triadic

#143771 #711437 #377114

tetradic

#143771 #711465 #714E14 #14711F

square

#143771 #711465 #714E14 #14711F

split-complementary

#143771 #711F14 #657114

monochromatic

#050D1A #0B1E3D #143771 #1D50A5 #276AD9

Accessibility & contrast

On white

11.57

#143771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#143771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143771

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143771	#FFFFFF	#000000	##FFFFFF
##143771	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153D73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143771;
/* rgb */ color: rgb(20, 55, 113);
/* oklch */ color: oklch(34.7% 0.108 260.0);

Tailwind

colors: {
  custom: {
    50: '#626d9a',
    500: '#143771',
    950: '#000000',
  },
}

SCSS

$custom: #143771;
$custom-light: #626d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#143771",
  "rgb": {
    "r": 20,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 217.419,
    "s": 69.925,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34749,
    "c": 0.10827,
    "h": 260
  },
  "luminance": 0.04073
}

Semantic roles & 50–950 ramp

primary

#143771

secondary

#A77E39

accent

#AA3BED

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143771

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

Preview Lab → · Contrast checker → · Palette generator →