#101C47#101C47

#101C47 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.082 H 268.0°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#101C47
RGB	rgb(16, 28, 71)
HSL	hsl(227, 63%, 17%)
HSV	hsv(227, 77%, 28%)
CMYK	cmyk(77.5%, 60.6%, 0%, 72.2%)
CIE-LAB	lab(11.93, 12.05, -28.53)
CIE-LCH	lch(11.93, 30.97, 292.90°)
OKLab	oklab(24.52% -0.0028 -0.0821)
OKLCH	oklch(24.52% 0.082 268)
XYZ	xyz(1.7659, 1.3954, 6.1363)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C47 #473B10

analogous

#103847 #101C47 #201047

triadic

#101C47 #47101C #1C4710

tetradic

#101C47 #471038 #473B10 #104720

square

#101C47 #471038 #473B10 #104720

split-complementary

#101C47 #472010 #384710

monochromatic

#060A19 #060A19 #101C47 #1B3079 #2743AB

Accessibility & contrast

On white

16.42

#101C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C47

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C47	#FFFFFF	#000000	##FFFFFF
##101C47	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002248

Deuteranopia (green-blind)

#001D46

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101c47;
/* rgb */ color: rgb(16, 28, 71);
/* oklch */ color: oklch(24.5% 0.082 268.0);

Tailwind

colors: {
  custom: {
    50: '#57577b',
    500: '#101c47',
    950: '#000000',
  },
}

SCSS

$custom: #101c47;
$custom-light: #57577b;
$custom-dark: #000000;

JSON

{
  "hex": "#101c47",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 71
  },
  "hsl": {
    "h": 226.909,
    "s": 63.218,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24523,
    "c": 0.08213,
    "h": 268
  },
  "luminance": 0.01396
}

Semantic roles & 50–950 ramp

primary

#101C47

secondary

#817032

accent

#C242E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #101C47

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

Preview Lab → · Contrast checker → · Palette generator →