#101355#101355

#101355 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.1% C 0.116 H 271.8°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#101355
RGB	rgb(16, 19, 85)
HSL	hsl(237, 68%, 20%)
HSV	hsv(237, 81%, 33%)
CMYK	cmyk(81.2%, 77.6%, 0%, 66.7%)
CIE-LAB	lab(10.79, 24.52, -40.02)
CIE-LCH	lch(10.79, 46.93, 301.49°)
OKLab	oklab(24.12% 0.0036 -0.1158)
OKLCH	oklch(24.12% 0.116 271.8)
XYZ	xyz(2.0857, 1.2316, 8.7204)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101355 #555210

analogous

#103655 #101355 #2F1055

triadic

#101355 #551013 #135510

tetradic

#101355 #551036 #555210 #10552F

square

#101355 #551036 #555210 #10552F

split-complementary

#101355 #552F10 #365510

monochromatic

#05061A #060721 #101355 #1A1F89 #232ABC

Accessibility & contrast

On white

16.85

#101355 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101355 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101355

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101355	#FFFFFF	#000000	##FFFFFF
##101355	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002057

Deuteranopia (green-blind)

#001A54

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101355;
/* rgb */ color: rgb(16, 19, 85);
/* oklch */ color: oklch(24.1% 0.116 271.8);

Tailwind

colors: {
  custom: {
    50: '#5c5186',
    500: '#101355',
    950: '#000000',
  },
}

SCSS

$custom: #101355;
$custom-light: #5c5186;
$custom-dark: #000000;

JSON

{
  "hex": "#101355",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 85
  },
  "hsl": {
    "h": 237.391,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24117,
    "c": 0.11589,
    "h": 271.8
  },
  "luminance": 0.01232
}

Semantic roles & 50–950 ramp

primary

#101355

secondary

#8F8A32

accent

#E43DEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #101355

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

Preview Lab → · Contrast checker → · Palette generator →