#100E53#100E53

#100E53 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 23.1% C 0.119 H 273.2°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#100E53
RGB	rgb(16, 14, 83)
HSL	hsl(242, 71%, 19%)
HSV	hsv(242, 83%, 33%)
CMYK	cmyk(80.7%, 83.1%, 0%, 67.5%)
CIE-LAB	lab(9.39, 27.00, -40.97)
CIE-LCH	lch(9.39, 49.07, 303.39°)
OKLab	oklab(23.05% 0.0066 -0.1185)
OKLCH	oklch(23.05% 0.119 273.2)
XYZ	xyz(1.9315, 1.0486, 8.2825)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E53 #51530E

analogous

#0E2F53 #100E53 #330E53

triadic

#100E53 #53100E #0E5310

tetradic

#100E53 #530E2F #51530E #0E5333

square

#100E53 #530E2F #51530E #0E5333

split-complementary

#100E53 #53330E #2F530E

monochromatic

#05041A #06051F #100E53 #1A1787 #2420BC

Accessibility & contrast

On white

17.36

#100E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#100E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E53

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E53	#FFFFFF	#000000	##FFFFFF
##100E53	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D55

Deuteranopia (green-blind)

#001752

Tritanopia (blue-blind)

#002330

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #100e53;
/* rgb */ color: rgb(16, 14, 83);
/* oklch */ color: oklch(23.1% 0.119 273.2);

Tailwind

colors: {
  custom: {
    50: '#5c4d84',
    500: '#100e53',
    950: '#000000',
  },
}

SCSS

$custom: #100e53;
$custom-light: #5c4d84;
$custom-dark: #000000;

JSON

{
  "hex": "#100e53",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 83
  },
  "hsl": {
    "h": 241.739,
    "s": 71.134,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23051,
    "c": 0.11872,
    "h": 273.2
  },
  "luminance": 0.01049
}

Semantic roles & 50–950 ramp

primary

#100E53

secondary

#8B8D2F

accent

#EE3AE9

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #100E53

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

Preview Lab → · Contrast checker → · Palette generator →