#150F4F#150F4F

#150F4F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.111 H 277.5°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#150F4F
RGB	rgb(21, 15, 79)
HSL	hsl(246, 68%, 18%)
HSV	hsv(246, 81%, 31%)
CMYK	cmyk(73.4%, 81%, 0%, 69%)
CIE-LAB	lab(9.52, 25.46, -37.98)
CIE-LCH	lch(9.52, 45.73, 303.84°)
OKLab	oklab(23.11% 0.0144 -0.1097)
OKLCH	oklch(23.11% 0.111 277.5)
XYZ	xyz(1.8909, 1.0654, 7.5016)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F4F #494F0F

analogous

#0F294F #150F4F #350F4F

triadic

#150F4F #4F150F #0F4F15

tetradic

#150F4F #4F0F29 #494F0F #0F4F35

square

#150F4F #4F0F29 #494F0F #0F4F35

split-complementary

#150F4F #4F350F #294F0F

monochromatic

#07051A #07051C #150F4F #231982 #3023B6

Accessibility & contrast

On white

17.31

#150F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#150F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F4F

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F4F	#FFFFFF	#000000	##FFFFFF
##150F4F	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D51

Deuteranopia (green-blind)

#00184E

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #150f4f;
/* rgb */ color: rgb(21, 15, 79);
/* oklch */ color: oklch(23.1% 0.111 277.5);

Tailwind

colors: {
  custom: {
    50: '#5c4e81',
    500: '#150f4f',
    950: '#000000',
  },
}

SCSS

$custom: #150f4f;
$custom-light: #5c4e81;
$custom-dark: #000000;

JSON

{
  "hex": "#150f4f",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 79
  },
  "hsl": {
    "h": 245.625,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23107,
    "c": 0.11066,
    "h": 277.5
  },
  "luminance": 0.01066
}

Semantic roles & 50–950 ramp

primary

#150F4F

secondary

#818931

accent

#EB3DDB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #150F4F

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

Preview Lab → · Contrast checker → · Palette generator →