#150F43#150F43

#150F43 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.093 H 280.5°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#150F43
RGB	rgb(21, 15, 67)
HSL	hsl(247, 63%, 16%)
HSV	hsv(247, 78%, 26%)
CMYK	cmyk(68.7%, 77.6%, 0%, 73.7%)
CIE-LAB	lab(8.18, 20.98, -31.81)
CIE-LCH	lch(8.18, 38.10, 303.40°)
OKLab	oklab(21.75% 0.017 -0.0917)
OKLCH	oklch(21.75% 0.093 280.5)
XYZ	xyz(1.4929, 0.9062, 5.4053)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F43 #3D430F

analogous

#0F2343 #150F43 #2F0F43

triadic

#150F43 #43150F #0F4315

tetradic

#150F43 #430F23 #3D430F #0F432F

square

#150F43 #430F23 #3D430F #0F432F

split-complementary

#150F43 #432F0F #23430F

monochromatic

#080619 #080619 #150F43 #251A75 #3425A7

Accessibility & contrast

On white

17.78

#150F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#150F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F43

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F43	#FFFFFF	#000000	##FFFFFF
##150F43	1.00	17.78	1.18	17.78
#FFFFFF	17.78	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A45

Deuteranopia (green-blind)

#001642

Tritanopia (blue-blind)

#001D27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #150f43;
/* rgb */ color: rgb(21, 15, 67);
/* oklch */ color: oklch(21.7% 0.093 280.5);

Tailwind

colors: {
  custom: {
    50: '#594e78',
    500: '#150f43',
    950: '#000000',
  },
}

SCSS

$custom: #150f43;
$custom-light: #594e78;
$custom-dark: #000000;

JSON

{
  "hex": "#150f43",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 67
  },
  "hsl": {
    "h": 246.923,
    "s": 63.415,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21745,
    "c": 0.09323,
    "h": 280.5
  },
  "luminance": 0.00906
}

Semantic roles & 50–950 ramp

primary

#150F43

secondary

#757D30

accent

#E641D3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #150F43

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

Preview Lab → · Contrast checker → · Palette generator →