#150A4E#150A4E

#150A4E is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.3% C 0.115 H 278.9°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#150A4E
RGB	rgb(21, 10, 78)
HSL	hsl(250, 77%, 17%)
HSV	hsv(250, 87%, 31%)
CMYK	cmyk(73.1%, 87.2%, 0%, 69.4%)
CIE-LAB	lab(8.36, 28.08, -39.21)
CIE-LCH	lch(8.36, 48.23, 305.61°)
OKLab	oklab(22.26% 0.0178 -0.1132)
OKLCH	oklch(22.26% 0.115 278.9)
XYZ	xyz(1.7925, 0.9264, 7.2906)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150A4E #434E0A

analogous

#0A214E #150A4E #370A4E

triadic

#150A4E #4E150A #0A4E15

tetradic

#150A4E #4E0A21 #434E0A #0A4E37

square

#150A4E #4E0A21 #434E0A #0A4E37

split-complementary

#150A4E #4E370A #214E0A

monochromatic

#07031B #07031B #150A4E #241184 #3218BA

Accessibility & contrast

On white

17.72

#150A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#150A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150A4E

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150A4E	#FFFFFF	#000000	##FFFFFF
##150A4E	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B50

Deuteranopia (green-blind)

#00154D

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #150a4e;
/* rgb */ color: rgb(21, 10, 78);
/* oklch */ color: oklch(22.3% 0.115 278.9);

Tailwind

colors: {
  custom: {
    50: '#5d4b80',
    500: '#150a4e',
    950: '#000000',
  },
}

SCSS

$custom: #150a4e;
$custom-light: #5d4b80;
$custom-dark: #000000;

JSON

{
  "hex": "#150a4e",
  "rgb": {
    "r": 21,
    "g": 10,
    "b": 78
  },
  "hsl": {
    "h": 249.706,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22256,
    "c": 0.11464,
    "h": 278.9
  },
  "luminance": 0.00927
}

Semantic roles & 50–950 ramp

primary

#150A4E

secondary

#7B8B29

accent

#F434D5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #150A4E

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

Preview Lab → · Contrast checker → · Palette generator →