#101148#101148

#101148 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.099 H 274.0°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#101148
RGB	rgb(16, 17, 72)
HSL	hsl(239, 64%, 17%)
HSV	hsv(239, 78%, 28%)
CMYK	cmyk(77.8%, 76.4%, 0%, 71.8%)
CIE-LAB	lab(8.81, 20.74, -34.31)
CIE-LCH	lch(8.81, 40.09, 301.16°)
OKLab	oklab(22.25% 0.0069 -0.0991)
OKLCH	oklch(22.25% 0.099 274)
XYZ	xyz(1.5834, 0.9788, 6.2351)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101148 #484710

analogous

#102D48 #101148 #2B1048

triadic

#101148 #481011 #114810

tetradic

#101148 #48102D #484710 #10482B

square

#101148 #48102D #484710 #10482B

split-complementary

#101148 #482B10 #2D4810

monochromatic

#060619 #060619 #101148 #1B1D7A #2629AC

Accessibility & contrast

On white

17.56

#101148 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#101148 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101148

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101148	#FFFFFF	#000000	##FFFFFF
##101148	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4A

Deuteranopia (green-blind)

#001747

Tritanopia (blue-blind)

#00202A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #101148;
/* rgb */ color: rgb(16, 17, 72);
/* oklch */ color: oklch(22.3% 0.099 274.0);

Tailwind

colors: {
  custom: {
    50: '#584f7c',
    500: '#101148',
    950: '#000000',
  },
}

SCSS

$custom: #101148;
$custom-light: #584f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#101148",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 72
  },
  "hsl": {
    "h": 238.929,
    "s": 63.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22254,
    "c": 0.09939,
    "h": 274
  },
  "luminance": 0.00979
}

Semantic roles & 50–950 ramp

primary

#101148

secondary

#828132

accent

#E441E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101148

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

Preview Lab → · Contrast checker → · Palette generator →