#140F3B#140F3B

#140F3B is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.8% C 0.081 H 281.8°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#140F3B
RGB	rgb(20, 15, 59)
HSL	hsl(247, 59%, 15%)
HSV	hsv(247, 75%, 23%)
CMYK	cmyk(66.1%, 74.6%, 0%, 76.9%)
CIE-LAB	lab(7.28, 17.62, -27.58)
CIE-LCH	lch(7.28, 32.73, 302.58°)
OKLab	oklab(20.8% 0.0167 -0.0794)
OKLCH	oklch(20.8% 0.081 281.8)
XYZ	xyz(1.2485, 0.8061, 4.2266)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#140F3B #363B0F

analogous

#0F203B #140F3B #2A0F3B

triadic

#140F3B #3B140F #0F3B14

tetradic

#140F3B #3B0F20 #363B0F #0F3B2A

square

#140F3B #3B0F20 #363B0F #0F3B2A

split-complementary

#140F3B #3B2A0F #203B0F

monochromatic

#080618 #080618 #140F3B #251B6C #35289D

Accessibility & contrast

On white

18.08

#140F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#140F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #140F3B

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##140F3B	#FFFFFF	#000000	##FFFFFF
##140F3B	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#021A23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #140f3b;
/* rgb */ color: rgb(20, 15, 59);
/* oklch */ color: oklch(20.8% 0.081 281.8);

Tailwind

colors: {
  custom: {
    50: '#574d71',
    500: '#140f3b',
    950: '#000000',
  },
}

SCSS

$custom: #140f3b;
$custom-light: #574d71;
$custom-dark: #000000;

JSON

{
  "hex": "#140f3b",
  "rgb": {
    "r": 20,
    "g": 15,
    "b": 59
  },
  "hsl": {
    "h": 246.818,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20797,
    "c": 0.08115,
    "h": 281.8
  },
  "luminance": 0.00806
}

Semantic roles & 50–950 ramp

primary

#140F3B

secondary

#6E7530

accent

#E345D1

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #140F3B

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

Preview Lab → · Contrast checker → · Palette generator →