#100B27#100B27

#100B27 is a very dark, muted violet. Relative luminance 0.005; OKLCH L 17.5% C 0.055 H 287.5°. Best body text is #FFFFFF at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#100B27
RGB	rgb(16, 11, 39)
HSL	hsl(251, 56%, 10%)
HSV	hsv(251, 72%, 15%)
CMYK	cmyk(59%, 71.8%, 0%, 84.7%)
CIE-LAB	lab(4.48, 9.34, -17.26)
CIE-LCH	lch(4.48, 19.63, 298.42°)
OKLab	oklab(17.55% 0.0166 -0.0527)
OKLCH	oklch(17.55% 0.055 287.5)
XYZ	xyz(0.6995, 0.4960, 1.9779)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B27 #22270B

analogous

#0B1427 #100B27 #1E0B27

triadic

#100B27 #27100B #0B2710

tetradic

#100B27 #270B14 #22270B #0B271E

square

#100B27 #270B14 #22270B #0B271E

split-complementary

#100B27 #271E0B #14270B

monochromatic

#0A0718 #0A0718 #100B27 #241857 #372686

Accessibility & contrast

On white

19.10

#100B27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100B27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B27

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B27	#FFFFFF	#000000	##FFFFFF
##100B27	1.00	19.10	1.10	19.10
#FFFFFF	19.10	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011028

Deuteranopia (green-blind)

#010F26

Tritanopia (blue-blind)

#091117

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #100b27;
/* rgb */ color: rgb(16, 11, 39);
/* oklch */ color: oklch(17.5% 0.055 287.5);

Tailwind

colors: {
  custom: {
    50: '#4f4b61',
    500: '#100b27',
    950: '#000000',
  },
}

SCSS

$custom: #100b27;
$custom-light: #4f4b61;
$custom-dark: #000000;

JSON

{
  "hex": "#100b27",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 39
  },
  "hsl": {
    "h": 250.714,
    "s": 56,
    "l": 9.804
  },
  "oklch": {
    "l": 0.17549,
    "c": 0.05525,
    "h": 287.5
  },
  "luminance": 0.00496
}

Semantic roles & 50–950 ramp

primary

#100B27

secondary

#59632B

accent

#DF49C4

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020105

muted

#787779

Preview Lab

Preview with #100B27

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

Preview Lab → · Contrast checker → · Palette generator →