#140F51#140F51

#140F51 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.114 H 276.2°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#140F51
RGB	rgb(20, 15, 81)
HSL	hsl(245, 69%, 19%)
HSV	hsv(245, 81%, 32%)
CMYK	cmyk(75.3%, 81.5%, 0%, 68.2%)
CIE-LAB	lab(9.67, 26.07, -39.11)
CIE-LCH	lch(9.67, 47.01, 303.68°)
OKLab	oklab(23.26% 0.0124 -0.113)
OKLCH	oklch(23.26% 0.114 276.2)
XYZ	xyz(1.9440, 1.0843, 7.8898)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#140F51 #4C510F

analogous

#0F2B51 #140F51 #350F51

triadic

#140F51 #51140F #0F5114

tetradic

#140F51 #510F2B #4C510F #0F5135

square

#140F51 #510F2B #4C510F #0F5135

split-complementary

#140F51 #51350F #2B510F

monochromatic

#06051A #07051D #140F51 #211985 #2D22B8

Accessibility & contrast

On white

17.26

#140F51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#140F51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #140F51

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##140F51	#FFFFFF	#000000	##FFFFFF
##140F51	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E53

Deuteranopia (green-blind)

#001850

Tritanopia (blue-blind)

#00222F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #140f51;
/* rgb */ color: rgb(20, 15, 81);
/* oklch */ color: oklch(23.3% 0.114 276.2);

Tailwind

colors: {
  custom: {
    50: '#5d4e83',
    500: '#140f51',
    950: '#000000',
  },
}

SCSS

$custom: #140f51;
$custom-light: #5d4e83;
$custom-dark: #000000;

JSON

{
  "hex": "#140f51",
  "rgb": {
    "r": 20,
    "g": 15,
    "b": 81
  },
  "hsl": {
    "h": 244.545,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.23261,
    "c": 0.11372,
    "h": 276.2
  },
  "luminance": 0.01084
}

Semantic roles & 50–950 ramp

primary

#140F51

secondary

#848B31

accent

#EC3CDE

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #140F51

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

Preview Lab → · Contrast checker → · Palette generator →