#101048#101048

#101048 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.1% C 0.101 H 274.4°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#101048
RGB	rgb(16, 16, 72)
HSL	hsl(240, 64%, 17%)
HSV	hsv(240, 78%, 28%)
CMYK	cmyk(77.8%, 77.8%, 0%, 71.8%)
CIE-LAB	lab(8.55, 21.45, -34.73)
CIE-LCH	lch(8.55, 40.82, 301.70°)
OKLab	oklab(22.07% 0.0077 -0.1004)
OKLCH	oklch(22.07% 0.101 274.4)
XYZ	xyz(1.5683, 0.9485, 6.2301)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101048 #484810

analogous

#102C48 #101048 #2C1048

triadic

#101048 #481010 #104810

tetradic

#101048 #48102C #484810 #10482C

square

#101048 #48102C #484810 #10482C

split-complementary

#101048 #482C10 #2C4810

monochromatic

#060619 #060619 #101048 #1B1B7A #2626AC

Accessibility & contrast

On white

17.65

#101048 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#101048 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101048

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101048	#FFFFFF	#000000	##FFFFFF
##101048	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4A

Deuteranopia (green-blind)

#001647

Tritanopia (blue-blind)

#001F2A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #101048;
/* rgb */ color: rgb(16, 16, 72);
/* oklch */ color: oklch(22.1% 0.101 274.4);

Tailwind

colors: {
  custom: {
    50: '#584e7c',
    500: '#101048',
    950: '#000000',
  },
}

SCSS

$custom: #101048;
$custom-light: #584e7c;
$custom-dark: #000000;

JSON

{
  "hex": "#101048",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 72
  },
  "hsl": {
    "h": 240,
    "s": 63.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22067,
    "c": 0.10068,
    "h": 274.4
  },
  "luminance": 0.00949
}

Semantic roles & 50–950 ramp

primary

#101048

secondary

#828232

accent

#E741E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #101048

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

Preview Lab → · Contrast checker → · Palette generator →