#101F36#101F36

#101F36 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 23.9% C 0.049 H 258.7°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#101F36
RGB	rgb(16, 31, 54)
HSL	hsl(216, 54%, 14%)
HSV	hsv(216, 70%, 21%)
CMYK	cmyk(70.4%, 42.6%, 0%, 78.8%)
CIE-LAB	lab(11.66, 2.42, -16.96)
CIE-LCH	lch(11.66, 17.13, 278.12°)
OKLab	oklab(23.91% -0.0096 -0.048)
OKLCH	oklch(23.91% 0.049 258.7)
XYZ	xyz(1.3693, 1.3564, 3.6790)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F36 #362710

analogous

#103236 #101F36 #141036

triadic

#101F36 #36101F #1F3610

tetradic

#101F36 #361032 #362710 #103614

square

#101F36 #361032 #362710 #103614

split-complementary

#101F36 #361410 #323610

monochromatic

#070E18 #070E18 #101F36 #1E3A65 #2C5594

Accessibility & contrast

On white

16.52

#101F36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#101F36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F36

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F36	#FFFFFF	#000000	##FFFFFF
##101F36	1.00	16.52	1.27	16.52
#FFFFFF	16.52	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152137

Deuteranopia (green-blind)

#101D36

Tritanopia (blue-blind)

#002427

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101f36;
/* rgb */ color: rgb(16, 31, 54);
/* oklch */ color: oklch(23.9% 0.049 258.7);

Tailwind

colors: {
  custom: {
    50: '#525a6d',
    500: '#101f36',
    950: '#000000',
  },
}

SCSS

$custom: #101f36;
$custom-light: #525a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#101f36",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 54
  },
  "hsl": {
    "h": 216.316,
    "s": 54.286,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23913,
    "c": 0.049,
    "h": 258.7
  },
  "luminance": 0.01356
}

Semantic roles & 50–950 ramp

primary

#101F36

secondary

#705732

accent

#A34ADE

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020307

muted

#78787A

Preview Lab

Preview with #101F36

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

Preview Lab → · Contrast checker → · Palette generator →