#101F35#101F35

#101F35 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.8% C 0.047 H 257.9°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#101F35
RGB	rgb(16, 31, 53)
HSL	hsl(216, 54%, 14%)
HSV	hsv(216, 70%, 21%)
CMYK	cmyk(69.8%, 41.5%, 0%, 79.2%)
CIE-LAB	lab(11.60, 2.00, -16.34)
CIE-LCH	lch(11.60, 16.47, 276.97°)
OKLab	oklab(23.84% -0.0099 -0.0462)
OKLCH	oklch(23.84% 0.047 257.9)
XYZ	xyz(1.3460, 1.3471, 3.5565)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F35 #352610

analogous

#103135 #101F35 #131035

triadic

#101F35 #35101F #1F3510

tetradic

#101F35 #351031 #352610 #103513

square

#101F35 #351031 #352610 #103513

split-complementary

#101F35 #351310 #313510

monochromatic

#070E18 #070E18 #101F35 #1E3A64 #2C5693

Accessibility & contrast

On white

16.54

#101F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#101F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F35

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F35	#FFFFFF	#000000	##FFFFFF
##101F35	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162136

Deuteranopia (green-blind)

#111D35

Tritanopia (blue-blind)

#002427

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101f35;
/* rgb */ color: rgb(16, 31, 53);
/* oklch */ color: oklch(23.8% 0.047 257.9);

Tailwind

colors: {
  custom: {
    50: '#525a6c',
    500: '#101f35',
    950: '#000000',
  },
}

SCSS

$custom: #101f35;
$custom-light: #525a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#101f35",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 53
  },
  "hsl": {
    "h": 215.676,
    "s": 53.623,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23843,
    "c": 0.0473,
    "h": 257.9
  },
  "luminance": 0.01347
}

Semantic roles & 50–950 ramp

primary

#101F35

secondary

#6F5632

accent

#A24BDD

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020307

muted

#78787A

Preview Lab

Preview with #101F35

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

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