#101D33#101D33

#101D33 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.1% C 0.047 H 260.4°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#101D33
RGB	rgb(16, 29, 51)
HSL	hsl(218, 52%, 13%)
HSV	hsv(218, 69%, 20%)
CMYK	cmyk(68.6%, 43.1%, 0%, 80%)
CIE-LAB	lab(10.76, 2.69, -16.23)
CIE-LCH	lch(10.76, 16.45, 279.39°)
OKLab	oklab(23.15% -0.0078 -0.0459)
OKLCH	oklch(23.15% 0.047 260.4)
XYZ	xyz(1.2504, 1.2278, 3.3024)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D33 #332610

analogous

#102E33 #101D33 #141033

triadic

#101D33 #33101D #1D3310

tetradic

#101D33 #33102E #332610 #103314

square

#101D33 #33102E #332610 #103314

split-complementary

#101D33 #331410 #2E3310

monochromatic

#070D17 #070D17 #101D33 #1F3762 #2D5290

Accessibility & contrast

On white

16.86

#101D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D33

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D33	#FFFFFF	#000000	##FFFFFF
##101D33	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141F34

Deuteranopia (green-blind)

#0F1C33

Tritanopia (blue-blind)

#002225

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101d33;
/* rgb */ color: rgb(16, 29, 51);
/* oklch */ color: oklch(23.1% 0.047 260.4);

Tailwind

colors: {
  custom: {
    50: '#52586a',
    500: '#101d33',
    950: '#000000',
  },
}

SCSS

$custom: #101d33;
$custom-light: #52586a;
$custom-dark: #000000;

JSON

{
  "hex": "#101d33",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 217.714,
    "s": 52.239,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23148,
    "c": 0.0466,
    "h": 260.4
  },
  "luminance": 0.01228
}

Semantic roles & 50–950 ramp

primary

#101D33

secondary

#6C5732

accent

#A64CDC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101D33

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

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