#101C2D#101C2D

#101C2D is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.5% C 0.038 H 257.2°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#101C2D
RGB	rgb(16, 28, 45)
HSL	hsl(215, 48%, 12%)
HSV	hsv(215, 64%, 18%)
CMYK	cmyk(64.4%, 37.8%, 0%, 82.4%)
CIE-LAB	lab(10.03, 0.98, -13.02)
CIE-LCH	lch(10.03, 13.06, 274.30°)
OKLab	oklab(22.46% -0.0083 -0.0366)
OKLCH	oklch(22.46% 0.038 257.2)
XYZ	xyz(1.1024, 1.1300, 2.6421)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C2D #2D2110

analogous

#102B2D #101C2D #13102D

triadic

#101C2D #2D101C #1C2D10

tetradic

#101C2D #2D102B #2D2110 #102D13

square

#101C2D #2D102B #2D2110 #102D13

split-complementary

#101C2D #2D1310 #2B2D10

monochromatic

#080E17 #080E17 #101C2D #20385A #305487

Accessibility & contrast

On white

17.13

#101C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C2D

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C2D	#FFFFFF	#000000	##FFFFFF
##101C2D	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151D2E

Deuteranopia (green-blind)

#121A2D

Tritanopia (blue-blind)

#032022

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101c2d;
/* rgb */ color: rgb(16, 28, 45);
/* oklch */ color: oklch(22.5% 0.038 257.2);

Tailwind

colors: {
  custom: {
    50: '#505766',
    500: '#101c2d',
    950: '#000000',
  },
}

SCSS

$custom: #101c2d;
$custom-light: #505766;
$custom-dark: #000000;

JSON

{
  "hex": "#101c2d",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 45
  },
  "hsl": {
    "h": 215.172,
    "s": 47.541,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22458,
    "c": 0.03756,
    "h": 257.2
  },
  "luminance": 0.0113
}

Semantic roles & 50–950 ramp

primary

#101C2D

secondary

#665133

accent

#9F51D7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #101C2D

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

Preview Lab → · Contrast checker → · Palette generator →