#101015#101015

#101015 is a very dark, near-neutral blue. Relative luminance 0.005; OKLCH L 17.5% C 0.010 H 285.3°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#101015
RGB	rgb(16, 16, 21)
HSL	hsl(240, 14%, 7%)
HSV	hsv(240, 24%, 8%)
CMYK	cmyk(23.8%, 23.8%, 0%, 91.8%)
CIE-LAB	lab(4.83, 1.06, -2.89)
CIE-LCH	lch(4.83, 3.08, 290.16°)
OKLab	oklab(17.54% 0.0027 -0.0099)
OKLCH	oklch(17.54% 0.01 285.3)
XYZ	xyz(0.5343, 0.5349, 0.7844)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101015 #151510

analogous

#101315 #101015 #131015

triadic

#101015 #151010 #101510

tetradic

#101015 #151013 #151510 #101513

square

#101015 #151013 #151510 #101513

split-complementary

#101015 #151310 #131510

monochromatic

#0D0D11 #0D0D11 #101015 #2A2A38 #45455A

Accessibility & contrast

On white

18.97

#101015 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#101015 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101015

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101015	#FFFFFF	#000000	##FFFFFF
##101015	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1115

Deuteranopia (green-blind)

#0F1015

Tritanopia (blue-blind)

#0F1112

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #101015;
/* rgb */ color: rgb(16, 16, 21);
/* oklch */ color: oklch(17.5% 0.010 285.3);

Tailwind

colors: {
  custom: {
    50: '#4e4e52',
    500: '#101015',
    950: '#000000',
  },
}

SCSS

$custom: #101015;
$custom-light: #4e4e52;
$custom-dark: #000000;

JSON

{
  "hex": "#101015",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 21
  },
  "hsl": {
    "h": 240,
    "s": 13.514,
    "l": 7.255
  },
  "oklch": {
    "l": 0.17542,
    "c": 0.01026,
    "h": 285.3
  },
  "luminance": 0.00535
}

Semantic roles & 50–950 ramp

primary

#101015

secondary

#46463A

accent

#B671B6

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010102

muted

#777778

Preview Lab

Preview with #101015

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

Preview Lab → · Contrast checker → · Palette generator →