#101045#101045

#101045 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.096 H 274.9°. Best body text is #FFFFFF at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#101045
RGB	rgb(16, 16, 69)
HSL	hsl(240, 62%, 17%)
HSV	hsv(240, 77%, 27%)
CMYK	cmyk(76.8%, 76.8%, 0%, 72.9%)
CIE-LAB	lab(8.22, 20.25, -33.18)
CIE-LCH	lch(8.22, 38.87, 301.40°)
OKLab	oklab(21.73% 0.0082 -0.0958)
OKLCH	oklch(21.73% 0.096 274.9)
XYZ	xyz(1.4728, 0.9103, 5.7272)
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

#101045 #454510

analogous

#102B45 #101045 #2B1045

triadic

#101045 #451010 #104510

tetradic

#101045 #45102B #454510 #10452B

square

#101045 #45102B #454510 #10452B

split-complementary

#101045 #452B10 #2B4510

monochromatic

#060619 #060619 #101045 #1C1C77 #2727A8

Accessibility & contrast

On white

17.77

#101045 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#101045 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101045

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101045	#FFFFFF	#000000	##FFFFFF
##101045	1.00	17.77	1.18	17.77
#FFFFFF	17.77	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A47

Deuteranopia (green-blind)

#001544

Tritanopia (blue-blind)

#001E28

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101045;
/* rgb */ color: rgb(16, 16, 69);
/* oklch */ color: oklch(21.7% 0.096 274.9);

Tailwind

colors: {
  custom: {
    50: '#574e79',
    500: '#101045',
    950: '#000000',
  },
}

SCSS

$custom: #101045;
$custom-light: #574e79;
$custom-dark: #000000;

JSON

{
  "hex": "#101045",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 69
  },
  "hsl": {
    "h": 240,
    "s": 62.353,
    "l": 16.667
  },
  "oklch": {
    "l": 0.21725,
    "c": 0.09619,
    "h": 274.9
  },
  "luminance": 0.0091
}

Semantic roles & 50–950 ramp

primary

#101045

secondary

#7F7F32

accent

#E542E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #101045

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

Preview Lab → · Contrast checker → · Palette generator →