#101C48#101C48

#101C48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.084 H 268.1°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#101C48
RGB	rgb(16, 28, 72)
HSL	hsl(227, 64%, 17%)
HSV	hsv(227, 78%, 28%)
CMYK	cmyk(77.8%, 61.1%, 0%, 71.8%)
CIE-LAB	lab(12.01, 12.48, -29.08)
CIE-LCH	lch(12.01, 31.65, 293.23°)
OKLab	oklab(24.62% -0.0027 -0.0837)
OKLCH	oklch(24.62% 0.084 268.1)
XYZ	xyz(1.7982, 1.4084, 6.3067)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C48 #483C10

analogous

#103848 #101C48 #201048

triadic

#101C48 #48101C #1C4810

tetradic

#101C48 #481038 #483C10 #104820

square

#101C48 #481038 #483C10 #104820

split-complementary

#101C48 #482010 #384810

monochromatic

#060A19 #060A19 #101C48 #1B2F7A #2643AC

Accessibility & contrast

On white

16.38

#101C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C48

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C48	#FFFFFF	#000000	##FFFFFF
##101C48	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224A

Deuteranopia (green-blind)

#001D47

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101c48;
/* rgb */ color: rgb(16, 28, 72);
/* oklch */ color: oklch(24.6% 0.084 268.1);

Tailwind

colors: {
  custom: {
    50: '#57577b',
    500: '#101c48',
    950: '#000000',
  },
}

SCSS

$custom: #101c48;
$custom-light: #57577b;
$custom-dark: #000000;

JSON

{
  "hex": "#101c48",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 72
  },
  "hsl": {
    "h": 227.143,
    "s": 63.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.24615,
    "c": 0.08375,
    "h": 268.1
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary

#101C48

secondary

#827132

accent

#C341E7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #101C48

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

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