#150F3B#150F3B

#150F3B is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.081 H 283.1°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#150F3B
RGB	rgb(21, 15, 59)
HSL	hsl(248, 59%, 15%)
HSV	hsv(248, 75%, 23%)
CMYK	cmyk(64.4%, 74.6%, 0%, 76.9%)
CIE-LAB	lab(7.38, 17.86, -27.42)
CIE-LCH	lch(7.38, 32.72, 303.08°)
OKLab	oklab(20.9% 0.0183 -0.0789)
OKLCH	oklch(20.9% 0.081 283.1)
XYZ	xyz(1.2693, 0.8168, 4.2276)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F3B #353B0F

analogous

#0F1F3B #150F3B #2B0F3B

triadic

#150F3B #3B150F #0F3B15

tetradic

#150F3B #3B0F1F #353B0F #0F3B2B

square

#150F3B #3B0F1F #353B0F #0F3B2B

split-complementary

#150F3B #3B2B0F #1F3B0F

monochromatic

#090618 #090618 #150F3B #261B6C #38289D

Accessibility & contrast

On white

18.05

#150F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#150F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F3B

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F3B	#FFFFFF	#000000	##FFFFFF
##150F3B	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#041A23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #150f3b;
/* rgb */ color: rgb(21, 15, 59);
/* oklch */ color: oklch(20.9% 0.081 283.1);

Tailwind

colors: {
  custom: {
    50: '#574d71',
    500: '#150f3b',
    950: '#000000',
  },
}

SCSS

$custom: #150f3b;
$custom-light: #574d71;
$custom-dark: #000000;

JSON

{
  "hex": "#150f3b",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 59
  },
  "hsl": {
    "h": 248.182,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20897,
    "c": 0.08097,
    "h": 283.1
  },
  "luminance": 0.00817
}

Semantic roles & 50–950 ramp

primary

#150F3B

secondary

#6C7530

accent

#E345CD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #150F3B

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

Preview Lab → · Contrast checker → · Palette generator →