#140B4B#140B4B

#140B4B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.9% C 0.110 H 278.7°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#140B4B
RGB	rgb(20, 11, 75)
HSL	hsl(248, 74%, 17%)
HSV	hsv(248, 85%, 29%)
CMYK	cmyk(73.3%, 85.3%, 0%, 70.6%)
CIE-LAB	lab(8.09, 26.34, -37.58)
CIE-LCH	lch(8.09, 45.89, 305.03°)
OKLab	oklab(21.93% 0.0165 -0.1085)
OKLCH	oklch(21.93% 0.11 278.7)
XYZ	xyz(1.6778, 0.8959, 6.7398)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.47

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#140B4B #424B0B

analogous

#0B224B #140B4B #340B4B

triadic

#140B4B #4B140B #0B4B14

tetradic

#140B4B #4B0B22 #424B0B #0B4B34

square

#140B4B #4B0B22 #424B0B #0B4B34

split-complementary

#140B4B #4B340B #224B0B

monochromatic

#07041B #07041B #140B4B #221380 #301BB6

Accessibility & contrast

On white

17.81

#140B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#140B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #140B4B

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##140B4B	#FFFFFF	#000000	##FFFFFF
##140B4B	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4D

Deuteranopia (green-blind)

#00154A

Tritanopia (blue-blind)

#001E2B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #140b4b;
/* rgb */ color: rgb(20, 11, 75);
/* oklch */ color: oklch(21.9% 0.110 278.7);

Tailwind

colors: {
  custom: {
    50: '#5b4b7e',
    500: '#140b4b',
    950: '#000000',
  },
}

SCSS

$custom: #140b4b;
$custom-light: #5b4b7e;
$custom-dark: #000000;

JSON

{
  "hex": "#140b4b",
  "rgb": {
    "r": 20,
    "g": 11,
    "b": 75
  },
  "hsl": {
    "h": 248.438,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.21933,
    "c": 0.10978,
    "h": 278.7
  },
  "luminance": 0.00896
}

Semantic roles & 50–950 ramp

primary

#140B4B

secondary

#7A872B

accent

#F137D7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #140B4B

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

Preview Lab → · Contrast checker → · Palette generator →