#101833#101833

#101833 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.8% C 0.054 H 269.1°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#101833
RGB	rgb(16, 24, 51)
HSL	hsl(226, 52%, 13%)
HSV	hsv(226, 69%, 20%)
CMYK	cmyk(68.6%, 52.9%, 0%, 80%)
CIE-LAB	lab(9.01, 6.57, -19.01)
CIE-LCH	lch(9.01, 20.11, 289.06°)
OKLab	oklab(21.8% -0.0008 -0.0541)
OKLCH	oklch(21.8% 0.054 269.1)
XYZ	xyz(1.1377, 1.0024, 3.2648)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101833 #332B10

analogous

#102933 #101833 #191033

triadic

#101833 #331018 #183310

tetradic

#101833 #331029 #332B10 #103319

square

#101833 #331029 #332B10 #103319

split-complementary

#101833 #331910 #293310

monochromatic

#070B17 #070B17 #101833 #1F2E62 #2D4490

Accessibility & contrast

On white

17.49

#101833 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#101833 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101833

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101833	#FFFFFF	#000000	##FFFFFF
##101833	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C1B34

Deuteranopia (green-blind)

#071832

Tritanopia (blue-blind)

#001E23

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #101833;
/* rgb */ color: rgb(16, 24, 51);
/* oklch */ color: oklch(21.8% 0.054 269.1);

Tailwind

colors: {
  custom: {
    50: '#52546b',
    500: '#101833',
    950: '#000000',
  },
}

SCSS

$custom: #101833;
$custom-light: #52546b;
$custom-dark: #000000;

JSON

{
  "hex": "#101833",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 51
  },
  "hsl": {
    "h": 226.286,
    "s": 52.239,
    "l": 13.137
  },
  "oklch": {
    "l": 0.21798,
    "c": 0.05416,
    "h": 269.1
  },
  "luminance": 0.01002
}

Semantic roles & 50–950 ramp

primary

#101833

secondary

#6C5F32

accent

#BB4CDC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #101833

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

Preview Lab → · Contrast checker → · Palette generator →