#143FA0#143FA0

#143FA0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.164 H 263.1°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#143FA0
RGB	rgb(20, 63, 160)
HSL	hsl(222, 78%, 35%)
HSV	hsv(222, 88%, 63%)
CMYK	cmyk(87.5%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(30.01, 24.47, -56.37)
CIE-LCH	lch(30.01, 61.45, 293.46°)
OKLab	oklab(40.56% -0.0198 -0.1631)
OKLCH	oklch(40.56% 0.164 263.1)
XYZ	xyz(8.4089, 6.2407, 34.0123)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143FA0 #A07514

analogous

#1485A0 #143FA0 #2F14A0

triadic

#143FA0 #A0143F #3FA014

tetradic

#143FA0 #A01485 #A07514 #14A02F

square

#143FA0 #A01485 #A07514 #14A02F

split-complementary

#143FA0 #A02F14 #85A014

monochromatic

#061433 #0D2A6A #143FA0 #1B54D6 #4678E8

Accessibility & contrast

On white

9.34

#143FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#143FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143FA0

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143FA0	#FFFFFF	#000000	##FFFFFF
##143FA0	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #143fa0;
/* rgb */ color: rgb(20, 63, 160);
/* oklch */ color: oklch(40.6% 0.164 263.1);

Tailwind

colors: {
  custom: {
    50: '#6e73bd',
    500: '#143fa0',
    950: '#000000',
  },
}

SCSS

$custom: #143fa0;
$custom-light: #6e73bd;
$custom-dark: #000000;

JSON

{
  "hex": "#143fa0",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 221.571,
    "s": 77.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40556,
    "c": 0.16435,
    "h": 263.1
  },
  "luminance": 0.06242
}

Semantic roles & 50–950 ramp

primary

#143FA0

secondary

#C9A147

accent

#B934F4

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #143FA0

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

Preview Lab → · Contrast checker → · Palette generator →