#140F5B#140F5B

#140F5B is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.5% C 0.127 H 274.4°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#140F5B
RGB	rgb(20, 15, 91)
HSL	hsl(244, 72%, 21%)
HSV	hsv(244, 84%, 36%)
CMYK	cmyk(78%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(10.89, 29.70, -43.91)
CIE-LCH	lch(10.89, 53.01, 304.07°)
OKLab	oklab(24.48% 0.0098 -0.127)
OKLCH	oklch(24.48% 0.127 274.4)
XYZ	xyz(2.3470, 1.2455, 10.0122)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#140F5B #565B0F

analogous

#0F305B #140F5B #3A0F5B

triadic

#140F5B #5B140F #0F5B14

tetradic

#140F5B #5B0F30 #565B0F #0F5B3A

square

#140F5B #5B0F30 #565B0F #0F5B3A

split-complementary

#140F5B #5B3A0F #305B0F

monochromatic

#06041A #080626 #140F5B #201890 #2B20C4

Accessibility & contrast

On white

16.81

#140F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#140F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #140F5B

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##140F5B	#FFFFFF	#000000	##FFFFFF
##140F5B	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001A5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #140f5b;
/* rgb */ color: rgb(20, 15, 91);
/* oklch */ color: oklch(24.5% 0.127 274.4);

Tailwind

colors: {
  custom: {
    50: '#5f4f8a',
    500: '#140f5b',
    950: '#000000',
  },
}

SCSS

$custom: #140f5b;
$custom-light: #5f4f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#140f5b",
  "rgb": {
    "r": 20,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 243.947,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24475,
    "c": 0.12739,
    "h": 274.4
  },
  "luminance": 0.01246
}

Semantic roles & 50–950 ramp

primary

#140F5B

secondary

#8E9531

accent

#EE39E3

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #140F5B

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

Preview Lab → · Contrast checker → · Palette generator →