#100E43#100E43

#100E43 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.1% C 0.096 H 276.0°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#100E43
RGB	rgb(16, 14, 67)
HSL	hsl(242, 65%, 16%)
HSV	hsv(242, 79%, 26%)
CMYK	cmyk(76.1%, 79.1%, 0%, 73.7%)
CIE-LAB	lab(7.49, 20.82, -32.96)
CIE-LCH	lch(7.49, 38.99, 302.28°)
OKLab	oklab(21.13% 0.0101 -0.0953)
OKLCH	oklch(21.13% 0.096 276)
XYZ	xyz(1.3835, 0.8294, 5.3963)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E43 #41430E

analogous

#0E2643 #100E43 #2A0E43

triadic

#100E43 #43100E #0E4310

tetradic

#100E43 #430E26 #41430E #0E432A

square

#100E43 #430E26 #41430E #0E432A

split-complementary

#100E43 #432A0E #26430E

monochromatic

#060519 #060519 #100E43 #1C1976 #2823A8

Accessibility & contrast

On white

18.01

#100E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#100E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E43

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E43	#FFFFFF	#000000	##FFFFFF
##100E43	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001945

Deuteranopia (green-blind)

#001442

Tritanopia (blue-blind)

#001D27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #100e43;
/* rgb */ color: rgb(16, 14, 67);
/* oklch */ color: oklch(21.1% 0.096 276.0);

Tailwind

colors: {
  custom: {
    50: '#574d78',
    500: '#100e43',
    950: '#000000',
  },
}

SCSS

$custom: #100e43;
$custom-light: #574d78;
$custom-dark: #000000;

JSON

{
  "hex": "#100e43",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 67
  },
  "hsl": {
    "h": 242.264,
    "s": 65.432,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21125,
    "c": 0.0958,
    "h": 276
  },
  "luminance": 0.00829
}

Semantic roles & 50–950 ramp

primary

#100E43

secondary

#7B7E2F

accent

#E83FE2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #100E43

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

Preview Lab → · Contrast checker → · Palette generator →