#140C57#140C57

#140C57 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.6% C 0.125 H 275.7°. Best body text is #FFFFFF at 17.21:1 contrast (WCAG AA passes).

Color values

HEX	#140C57
RGB	rgb(20, 12, 87)
HSL	hsl(246, 76%, 19%)
HSV	hsv(246, 86%, 34%)
CMYK	cmyk(77%, 86.2%, 0%, 65.9%)
CIE-LAB	lab(9.79, 30.00, -43.02)
CIE-LCH	lch(9.79, 52.44, 304.89°)
OKLab	oklab(23.56% 0.0124 -0.1244)
OKLCH	oklch(23.56% 0.125 275.7)
XYZ	xyz(2.1397, 1.0996, 9.1145)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#140C57 #4F570C

analogous

#0C2A57 #140C57 #3A0C57

triadic

#140C57 #57140C #0C5714

tetradic

#140C57 #570C2A #4F570C #0C573A

square

#140C57 #570C2A #4F570C #0C573A

split-complementary

#140C57 #573A0C #2A570C

monochromatic

#06041B #080521 #140C57 #20138D #2D1BC3

Accessibility & contrast

On white

17.21

#140C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#140C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #140C57

17.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##140C57	#FFFFFF	#000000	##FFFFFF
##140C57	1.00	17.21	1.22	17.21
#FFFFFF	17.21	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E59

Deuteranopia (green-blind)

#001856

Tritanopia (blue-blind)

#002332

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #140c57;
/* rgb */ color: rgb(20, 12, 87);
/* oklch */ color: oklch(23.6% 0.125 275.7);

Tailwind

colors: {
  custom: {
    50: '#5f4d87',
    500: '#140c57',
    950: '#000000',
  },
}

SCSS

$custom: #140c57;
$custom-light: #5f4d87;
$custom-dark: #000000;

JSON

{
  "hex": "#140c57",
  "rgb": {
    "r": 20,
    "g": 12,
    "b": 87
  },
  "hsl": {
    "h": 246.4,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.23564,
    "c": 0.12497,
    "h": 275.7
  },
  "luminance": 0.011
}

Semantic roles & 50–950 ramp

primary

#140C57

secondary

#87922D

accent

#F235DE

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05010B

muted

#79777C

Preview Lab

Preview with #140C57

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

Preview Lab → · Contrast checker → · Palette generator →