#101F34#101F34

#101F34 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.8% C 0.046 H 257.0°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#101F34
RGB	rgb(16, 31, 52)
HSL	hsl(215, 53%, 13%)
HSV	hsv(215, 69%, 20%)
CMYK	cmyk(69.2%, 40.4%, 0%, 79.6%)
CIE-LAB	lab(11.54, 1.58, -15.73)
CIE-LCH	lch(11.54, 15.80, 275.75°)
OKLab	oklab(23.77% -0.0103 -0.0445)
OKLCH	oklch(23.77% 0.046 257)
XYZ	xyz(1.3233, 1.3380, 3.4367)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F34 #342510

analogous

#103134 #101F34 #131034

triadic

#101F34 #34101F #1F3410

tetradic

#101F34 #341031 #342510 #103413

square

#101F34 #341031 #342510 #103413

split-complementary

#101F34 #341310 #313410

monochromatic

#070E17 #070E17 #101F34 #1E3B63 #2D5792

Accessibility & contrast

On white

16.57

#101F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#101F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F34

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F34	#FFFFFF	#000000	##FFFFFF
##101F34	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162035

Deuteranopia (green-blind)

#121D34

Tritanopia (blue-blind)

#002427

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101f34;
/* rgb */ color: rgb(16, 31, 52);
/* oklch */ color: oklch(23.8% 0.046 257.0);

Tailwind

colors: {
  custom: {
    50: '#525a6b',
    500: '#101f34',
    950: '#000000',
  },
}

SCSS

$custom: #101f34;
$custom-light: #525a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#101f34",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 52
  },
  "hsl": {
    "h": 215,
    "s": 52.941,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23774,
    "c": 0.04562,
    "h": 257
  },
  "luminance": 0.01338
}

Semantic roles & 50–950 ramp

primary

#101F34

secondary

#6E5532

accent

#A04BDC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101F34

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

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