#150F4E#150F4E

#150F4E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.109 H 277.7°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#150F4E
RGB	rgb(21, 15, 78)
HSL	hsl(246, 68%, 18%)
HSV	hsv(246, 81%, 31%)
CMYK	cmyk(73.1%, 80.8%, 0%, 69.4%)
CIE-LAB	lab(9.41, 25.09, -37.48)
CIE-LCH	lch(9.41, 45.11, 303.80°)
OKLab	oklab(22.99% 0.0146 -0.1083)
OKLCH	oklch(22.99% 0.109 277.7)
XYZ	xyz(1.8548, 1.0510, 7.3114)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F4E #484E0F

analogous

#0F284E #150F4E #340F4E

triadic

#150F4E #4E150F #0F4E15

tetradic

#150F4E #4E0F28 #484E0F #0F4E34

square

#150F4E #4E0F28 #484E0F #0F4E34

split-complementary

#150F4E #4E340F #284E0F

monochromatic

#07051A #07051B #150F4E #231981 #3123B5

Accessibility & contrast

On white

17.35

#150F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#150F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F4E

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F4E	#FFFFFF	#000000	##FFFFFF
##150F4E	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00212D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #150f4e;
/* rgb */ color: rgb(21, 15, 78);
/* oklch */ color: oklch(23.0% 0.109 277.7);

Tailwind

colors: {
  custom: {
    50: '#5c4e80',
    500: '#150f4e',
    950: '#000000',
  },
}

SCSS

$custom: #150f4e;
$custom-light: #5c4e80;
$custom-dark: #000000;

JSON

{
  "hex": "#150f4e",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 78
  },
  "hsl": {
    "h": 245.714,
    "s": 67.742,
    "l": 18.235
  },
  "oklch": {
    "l": 0.2299,
    "c": 0.10924,
    "h": 277.7
  },
  "luminance": 0.01051
}

Semantic roles & 50–950 ramp

primary

#150F4E

secondary

#808831

accent

#EB3DDA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #150F4E

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

Preview Lab → · Contrast checker → · Palette generator →