#101056#101056

#101056 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 23.7% C 0.121 H 272.4°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#101056
RGB	rgb(16, 16, 86)
HSL	hsl(240, 69%, 20%)
HSV	hsv(240, 81%, 34%)
CMYK	cmyk(81.4%, 81.4%, 0%, 66.3%)
CIE-LAB	lab(10.20, 26.88, -41.67)
CIE-LCH	lch(10.20, 49.59, 302.82°)
OKLab	oklab(23.73% 0.005 -0.1206)
OKLCH	oklch(23.73% 0.121 272.4)
XYZ	xyz(2.0781, 1.1524, 8.9152)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101056 #565610

analogous

#103356 #101056 #331056

triadic

#101056 #561010 #105610

tetradic

#101056 #561033 #565610 #105633

square

#101056 #561033 #565610 #105633

split-complementary

#101056 #563310 #335610

monochromatic

#05051A #060622 #101056 #1A1A8A #2323BD

Accessibility & contrast

On white

17.06

#101056 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101056 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101056

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101056	#FFFFFF	#000000	##FFFFFF
##101056	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F58

Deuteranopia (green-blind)

#001855

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101056;
/* rgb */ color: rgb(16, 16, 86);
/* oklch */ color: oklch(23.7% 0.121 272.4);

Tailwind

colors: {
  custom: {
    50: '#5c4f87',
    500: '#101056',
    950: '#000000',
  },
}

SCSS

$custom: #101056;
$custom-light: #5c4f87;
$custom-dark: #000000;

JSON

{
  "hex": "#101056",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 86
  },
  "hsl": {
    "h": 240,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.23734,
    "c": 0.12071,
    "h": 272.4
  },
  "luminance": 0.01153
}

Semantic roles & 50–950 ramp

primary

#101056

secondary

#8F8F32

accent

#EB3CEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #101056

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

Preview Lab → · Contrast checker → · Palette generator →