#101256#101256

#101256 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.1% C 0.118 H 271.9°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#101256
RGB	rgb(16, 18, 86)
HSL	hsl(238, 69%, 20%)
HSV	hsv(238, 81%, 34%)
CMYK	cmyk(81.4%, 79.1%, 0%, 66.3%)
CIE-LAB	lab(10.66, 25.58, -40.91)
CIE-LCH	lch(10.66, 48.25, 302.01°)
OKLab	oklab(24.06% 0.004 -0.1184)
OKLCH	oklch(24.06% 0.118 271.9)
XYZ	xyz(2.1091, 1.2144, 8.9255)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101256 #565410

analogous

#103556 #101256 #311056

triadic

#101256 #561012 #125610

tetradic

#101256 #561035 #565410 #105631

square

#101256 #561035 #565410 #105631

split-complementary

#101256 #563110 #355610

monochromatic

#05051A #060722 #101256 #1A1D8A #2328BD

Accessibility & contrast

On white

16.89

#101256 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#101256 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101256

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101256	#FFFFFF	#000000	##FFFFFF
##101256	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001955

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101256;
/* rgb */ color: rgb(16, 18, 86);
/* oklch */ color: oklch(24.1% 0.118 271.9);

Tailwind

colors: {
  custom: {
    50: '#5c5086',
    500: '#101256',
    950: '#000000',
  },
}

SCSS

$custom: #101256;
$custom-light: #5c5086;
$custom-dark: #000000;

JSON

{
  "hex": "#101256",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 86
  },
  "hsl": {
    "h": 238.286,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.24062,
    "c": 0.11848,
    "h": 271.9
  },
  "luminance": 0.01215
}

Semantic roles & 50–950 ramp

primary

#101256

secondary

#8F8D32

accent

#E63CEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #101256

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

Preview Lab → · Contrast checker → · Palette generator →