#143DA0#143DA0

#143DA0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.167 H 263.5°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#143DA0
RGB	rgb(20, 61, 160)
HSL	hsl(222, 78%, 35%)
HSV	hsv(222, 88%, 63%)
CMYK	cmyk(87.5%, 61.9%, 0%, 37.3%)
CIE-LAB	lab(29.47, 25.83, -57.26)
CIE-LCH	lch(29.47, 62.81, 294.28°)
OKLab	oklab(40.15% -0.0188 -0.1658)
OKLCH	oklch(40.15% 0.167 263.5)
XYZ	xyz(8.3001, 6.0232, 33.9760)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143DA0 #A07714

analogous

#1483A0 #143DA0 #3114A0

triadic

#143DA0 #A0143D #3DA014

tetradic

#143DA0 #A01483 #A07714 #14A031

square

#143DA0 #A01483 #A07714 #14A031

split-complementary

#143DA0 #A03114 #83A014

monochromatic

#061433 #0D286A #143DA0 #1B52D6 #4676E8

Accessibility & contrast

On white

9.52

#143DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#143DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143DA0

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143DA0	#FFFFFF	#000000	##FFFFFF
##143DA0	1.00	9.52	2.20	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #143da0;
/* rgb */ color: rgb(20, 61, 160);
/* oklch */ color: oklch(40.2% 0.167 263.5);

Tailwind

colors: {
  custom: {
    50: '#6e72bd',
    500: '#143da0',
    950: '#000000',
  },
}

SCSS

$custom: #143da0;
$custom-light: #6e72bd;
$custom-dark: #000000;

JSON

{
  "hex": "#143da0",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 160
  },
  "hsl": {
    "h": 222.429,
    "s": 77.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40152,
    "c": 0.16684,
    "h": 263.5
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary

#143DA0

secondary

#C9A347

accent

#BC34F4

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #143DA0

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

Preview Lab → · Contrast checker → · Palette generator →