#100E5E#100E5E

#100E5E is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.4% C 0.133 H 271.7°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#100E5E
RGB	rgb(16, 14, 94)
HSL	hsl(242, 74%, 21%)
HSV	hsv(242, 85%, 37%)
CMYK	cmyk(83%, 85.1%, 0%, 63.1%)
CIE-LAB	lab(10.79, 31.01, -46.10)
CIE-LCH	lch(10.79, 55.56, 303.93°)
OKLab	oklab(24.45% 0.004 -0.1334)
OKLCH	oklch(24.45% 0.133 271.7)
XYZ	xyz(2.3904, 1.2321, 10.6993)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E5E #5C5E0E

analogous

#0E345E #100E5E #380E5E

triadic

#100E5E #5E100E #0E5E10

tetradic

#100E5E #5E0E34 #5C5E0E #0E5E38

square

#100E5E #5E0E34 #5C5E0E #0E5E38

split-complementary

#100E5E #5E380E #345E0E

monochromatic

#05041B #070629 #100E5E #191693 #221EC9

Accessibility & contrast

On white

16.85

#100E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#100E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E5E

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E5E	#FFFFFF	#000000	##FFFFFF
##100E5E	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)

#002160

Deuteranopia (green-blind)

#00195D

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #100e5e;
/* rgb */ color: rgb(16, 14, 94);
/* oklch */ color: oklch(24.4% 0.133 271.7);

Tailwind

colors: {
  custom: {
    50: '#5f4e8d',
    500: '#100e5e',
    950: '#000000',
  },
}

SCSS

$custom: #100e5e;
$custom-light: #5f4e8d;
$custom-dark: #000000;

JSON

{
  "hex": "#100e5e",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 94
  },
  "hsl": {
    "h": 241.5,
    "s": 74.074,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24445,
    "c": 0.13349,
    "h": 271.7
  },
  "luminance": 0.01232
}

Semantic roles & 50–950 ramp

primary

#100E5E

secondary

#959830

accent

#F137EC

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #100E5E

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

Preview Lab → · Contrast checker → · Palette generator →