#101A28#101A28

#101A28 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.6% C 0.031 H 256.9°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#101A28
RGB	rgb(16, 26, 40)
HSL	hsl(215, 43%, 11%)
HSV	hsv(215, 60%, 16%)
CMYK	cmyk(60%, 35%, 0%, 84.3%)
CIE-LAB	lab(9.01, 0.51, -10.94)
CIE-LCH	lch(9.01, 10.95, 272.66°)
OKLab	oklab(21.56% -0.0071 -0.0306)
OKLCH	oklch(21.56% 0.031 256.9)
XYZ	xyz(0.9660, 1.0021, 2.1496)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A28 #281E10

analogous

#102628 #101A28 #121028

triadic

#101A28 #28101A #1A2810

tetradic

#101A28 #281026 #281E10 #102812

square

#101A28 #281026 #281E10 #102812

split-complementary

#101A28 #281210 #262810

monochromatic

#090E16 #090E16 #101A28 #213654 #33537F

Accessibility & contrast

On white

17.49

#101A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#101A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A28

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A28	#FFFFFF	#000000	##FFFFFF
##101A28	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)

#151B29

Deuteranopia (green-blind)

#121828

Tritanopia (blue-blind)

#061D1F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #101a28;
/* rgb */ color: rgb(16, 26, 40);
/* oklch */ color: oklch(21.6% 0.031 256.9);

Tailwind

colors: {
  custom: {
    50: '#505662',
    500: '#101a28',
    950: '#000000',
  },
}

SCSS

$custom: #101a28;
$custom-light: #505662;
$custom-dark: #000000;

JSON

{
  "hex": "#101a28",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 40
  },
  "hsl": {
    "h": 215,
    "s": 42.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21563,
    "c": 0.03142,
    "h": 256.9
  },
  "luminance": 0.01002
}

Semantic roles & 50–950 ramp

primary

#101A28

secondary

#604E34

accent

#9E55D3

background

#F4F5F5

surface

#E7E8EA

border

#C3C4C6

text

#020305

muted

#787879

Preview Lab

Preview with #101A28

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

Preview Lab → · Contrast checker → · Palette generator →