#101D28#101D28

#101D28 is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.4% C 0.028 H 245.0°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#101D28
RGB	rgb(16, 29, 40)
HSL	hsl(208, 43%, 11%)
HSV	hsv(208, 60%, 16%)
CMYK	cmyk(60%, 27.5%, 0%, 84.3%)
CIE-LAB	lab(10.12, -1.74, -9.21)
CIE-LCH	lch(10.12, 9.37, 259.30°)
OKLab	oklab(22.44% -0.0119 -0.0256)
OKLCH	oklch(22.44% 0.028 245)
XYZ	xyz(1.0359, 1.1420, 2.1729)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D28 #281B10

analogous

#102827 #101D28 #101128

triadic

#101D28 #28101D #1D2810

tetradic

#101D28 #271028 #281B10 #112810

square

#101D28 #271028 #281B10 #112810

split-complementary

#101D28 #281011 #282710

monochromatic

#091016 #091016 #101D28 #213D54 #335C7F

Accessibility & contrast

On white

17.10

#101D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D28

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D28	#FFFFFF	#000000	##FFFFFF
##101D28	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181D29

Deuteranopia (green-blind)

#151B28

Tritanopia (blue-blind)

#062021

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101d28;
/* rgb */ color: rgb(16, 29, 40);
/* oklch */ color: oklch(22.4% 0.028 245.0);

Tailwind

colors: {
  custom: {
    50: '#505861',
    500: '#101d28',
    950: '#000000',
  },
}

SCSS

$custom: #101d28;
$custom-light: #505861;
$custom-dark: #000000;

JSON

{
  "hex": "#101d28",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 40
  },
  "hsl": {
    "h": 207.5,
    "s": 42.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.22438,
    "c": 0.02828,
    "h": 245
  },
  "luminance": 0.01142
}

Semantic roles & 50–950 ramp

primary

#101D28

secondary

#604834

accent

#8F55D3

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #101D28

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

Preview Lab → · Contrast checker → · Palette generator →