#101B2E#101B2E

#101B2E is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.2% C 0.041 H 260.8°. Best body text is #FFFFFF at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#101B2E
RGB	rgb(16, 27, 46)
HSL	hsl(218, 48%, 12%)
HSV	hsv(218, 65%, 18%)
CMYK	cmyk(65.2%, 41.3%, 0%, 82%)
CIE-LAB	lab(9.73, 2.15, -14.23)
CIE-LCH	lch(9.73, 14.39, 278.59°)
OKLab	oklab(22.24% -0.0065 -0.0401)
OKLCH	oklch(22.24% 0.041 260.8)
XYZ	xyz(1.0986, 1.0912, 2.7370)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101B2E #2E2310

analogous

#102A2E #101B2E #14102E

triadic

#101B2E #2E101B #1B2E10

tetradic

#101B2E #2E102A #2E2310 #102E14

square

#101B2E #2E102A #2E2310 #102E14

split-complementary

#101B2E #2E1410 #2A2E10

monochromatic

#080D17 #080D17 #101B2E #20365B #305089

Accessibility & contrast

On white

17.24

#101B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#101B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B2E

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101B2E	#FFFFFF	#000000	##FFFFFF
##101B2E	1.00	17.24	1.22	17.24
#FFFFFF	17.24	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131C2F

Deuteranopia (green-blind)

#101A2E

Tritanopia (blue-blind)

#031F22

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101b2e;
/* rgb */ color: rgb(16, 27, 46);
/* oklch */ color: oklch(22.2% 0.041 260.8);

Tailwind

colors: {
  custom: {
    50: '#515766',
    500: '#101b2e',
    950: '#000000',
  },
}

SCSS

$custom: #101b2e;
$custom-light: #515766;
$custom-dark: #000000;

JSON

{
  "hex": "#101b2e",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 46
  },
  "hsl": {
    "h": 218,
    "s": 48.387,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22242,
    "c": 0.04064,
    "h": 260.8
  },
  "luminance": 0.01091
}

Semantic roles & 50–950 ramp

primary

#101B2E

secondary

#675433

accent

#A650D8

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101B2E

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

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