#101255#101255

#101255 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.117 H 272.0°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#101255
RGB	rgb(16, 18, 85)
HSL	hsl(238, 68%, 20%)
HSV	hsv(238, 81%, 33%)
CMYK	cmyk(81.2%, 78.8%, 0%, 66.7%)
CIE-LAB	lab(10.55, 25.19, -40.42)
CIE-LCH	lch(10.55, 47.63, 301.93°)
OKLab	oklab(23.94% 0.0041 -0.117)
OKLCH	oklch(23.94% 0.117 272)
XYZ	xyz(2.0691, 1.1984, 8.7148)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101255 #555310

analogous

#103555 #101255 #311055

triadic

#101255 #551012 #125510

tetradic

#101255 #551035 #555310 #105531

square

#101255 #551035 #555310 #105531

split-complementary

#101255 #553110 #355510

monochromatic

#05051A #060721 #101255 #1A1D89 #2328BC

Accessibility & contrast

On white

16.94

#101255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#101255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101255

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101255	#FFFFFF	#000000	##FFFFFF
##101255	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002057

Deuteranopia (green-blind)

#001954

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101255;
/* rgb */ color: rgb(16, 18, 85);
/* oklch */ color: oklch(23.9% 0.117 272.0);

Tailwind

colors: {
  custom: {
    50: '#5c5086',
    500: '#101255',
    950: '#000000',
  },
}

SCSS

$custom: #101255;
$custom-light: #5c5086;
$custom-dark: #000000;

JSON

{
  "hex": "#101255",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 85
  },
  "hsl": {
    "h": 238.261,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.23943,
    "c": 0.11706,
    "h": 272
  },
  "luminance": 0.01199
}

Semantic roles & 50–950 ramp

primary

#101255

secondary

#8F8C32

accent

#E63DEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #101255

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

Preview Lab → · Contrast checker → · Palette generator →