#101145#101145

#101145 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.9% C 0.095 H 274.5°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#101145
RGB	rgb(16, 17, 69)
HSL	hsl(239, 62%, 17%)
HSV	hsv(239, 77%, 27%)
CMYK	cmyk(76.8%, 75.4%, 0%, 72.9%)
CIE-LAB	lab(8.49, 19.54, -32.74)
CIE-LCH	lch(8.49, 38.13, 300.82°)
OKLab	oklab(21.92% 0.0074 -0.0946)
OKLCH	oklch(21.92% 0.095 274.5)
XYZ	xyz(1.4880, 0.9406, 5.7322)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.21

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101145 #454410

analogous

#102C45 #101145 #2A1045

triadic

#101145 #451011 #114510

tetradic

#101145 #45102C #454410 #10452A

square

#101145 #45102C #454410 #10452A

split-complementary

#101145 #452A10 #2C4510

monochromatic

#060619 #060619 #101145 #1C1D77 #2729A8

Accessibility & contrast

On white

17.67

#101145 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#101145 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101145

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101145	#FFFFFF	#000000	##FFFFFF
##101145	1.00	17.67	1.19	17.67
#FFFFFF	17.67	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001644

Tritanopia (blue-blind)

#001F29

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101145;
/* rgb */ color: rgb(16, 17, 69);
/* oklch */ color: oklch(21.9% 0.095 274.5);

Tailwind

colors: {
  custom: {
    50: '#574f79',
    500: '#101145',
    950: '#000000',
  },
}

SCSS

$custom: #101145;
$custom-light: #574f79;
$custom-dark: #000000;

JSON

{
  "hex": "#101145",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 69
  },
  "hsl": {
    "h": 238.868,
    "s": 62.353,
    "l": 16.667
  },
  "oklch": {
    "l": 0.21917,
    "c": 0.09485,
    "h": 274.5
  },
  "luminance": 0.00941
}

Semantic roles & 50–950 ramp

primary

#101145

secondary

#7F7E32

accent

#E242E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040209

muted

#79787B

Preview Lab

Preview with #101145

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

Preview Lab → · Contrast checker → · Palette generator →