#101C49#101C49

#101C49 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.085 H 268.2°. Best body text is #FFFFFF at 16.35:1 contrast (WCAG AA passes).

Color values

HEX	#101C49
RGB	rgb(16, 28, 73)
HSL	hsl(227, 64%, 17%)
HSV	hsv(227, 78%, 29%)
CMYK	cmyk(78.1%, 61.6%, 0%, 71.4%)
CIE-LAB	lab(12.10, 12.92, -29.64)
CIE-LCH	lch(12.10, 32.33, 293.55°)
OKLab	oklab(24.71% -0.0027 -0.0853)
OKLCH	oklch(24.71% 0.085 268.2)
XYZ	xyz(1.8311, 1.4215, 6.4799)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C49 #493D10

analogous

#103949 #101C49 #201049

triadic

#101C49 #49101C #1C4910

tetradic

#101C49 #491039 #493D10 #104920

square

#101C49 #491039 #493D10 #104920

split-complementary

#101C49 #492010 #394910

monochromatic

#060A19 #060A19 #101C49 #1B2F7B #2643AD

Accessibility & contrast

On white

16.35

#101C49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101C49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C49

16.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C49	#FFFFFF	#000000	##FFFFFF
##101C49	1.00	16.35	1.28	16.35
#FFFFFF	16.35	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224B

Deuteranopia (green-blind)

#001D48

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101c49;
/* rgb */ color: rgb(16, 28, 73);
/* oklch */ color: oklch(24.7% 0.085 268.2);

Tailwind

colors: {
  custom: {
    50: '#57577c',
    500: '#101c49',
    950: '#000000',
  },
}

SCSS

$custom: #101c49;
$custom-light: #57577c;
$custom-dark: #000000;

JSON

{
  "hex": "#101c49",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 73
  },
  "hsl": {
    "h": 227.368,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.24708,
    "c": 0.08538,
    "h": 268.2
  },
  "luminance": 0.01422
}

Semantic roles & 50–950 ramp

primary

#101C49

secondary

#837232

accent

#C441E7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #101C49

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

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