#150F5B#150F5B

#150F5B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.5% C 0.127 H 275.1°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#150F5B
RGB	rgb(21, 15, 91)
HSL	hsl(245, 72%, 21%)
HSV	hsv(245, 84%, 36%)
CMYK	cmyk(76.9%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(10.97, 29.80, -43.78)
CIE-LCH	lch(10.97, 52.96, 304.24°)
OKLab	oklab(24.55% 0.0113 -0.1266)
OKLCH	oklch(24.55% 0.127 275.1)
XYZ	xyz(2.3678, 1.2562, 10.0132)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F5B #555B0F

analogous

#0F2F5B #150F5B #3B0F5B

triadic

#150F5B #5B150F #0F5B15

tetradic

#150F5B #5B0F2F #555B0F #0F5B3B

square

#150F5B #5B0F2F #555B0F #0F5B3B

split-complementary

#150F5B #5B3B0F #2F5B0F

monochromatic

#06041A #090626 #150F5B #211890 #2D20C4

Accessibility & contrast

On white

16.78

#150F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#150F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F5B

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F5B	#FFFFFF	#000000	##FFFFFF
##150F5B	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001A5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #150f5b;
/* rgb */ color: rgb(21, 15, 91);
/* oklch */ color: oklch(24.5% 0.127 275.1);

Tailwind

colors: {
  custom: {
    50: '#604f8a',
    500: '#150f5b',
    950: '#000000',
  },
}

SCSS

$custom: #150f5b;
$custom-light: #604f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#150f5b",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 244.737,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24549,
    "c": 0.12711,
    "h": 275.1
  },
  "luminance": 0.01256
}

Semantic roles & 50–950 ramp

primary

#150F5B

secondary

#8D9531

accent

#EE39E0

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #150F5B

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

Preview Lab → · Contrast checker → · Palette generator →