#100E37#100E37

#100E37 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.8% C 0.077 H 278.8°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#100E37
RGB	rgb(16, 14, 55)
HSL	hsl(243, 59%, 14%)
HSV	hsv(243, 75%, 22%)
CMYK	cmyk(70.9%, 74.5%, 0%, 78.4%)
CIE-LAB	lab(6.32, 15.49, -26.25)
CIE-LCH	lch(6.32, 30.48, 300.55°)
OKLab	oklab(19.8% 0.0119 -0.0762)
OKLCH	oklch(19.8% 0.077 278.8)
XYZ	xyz(1.0601, 0.7000, 3.6929)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E37 #35370E

analogous

#0E2037 #100E37 #240E37

triadic

#100E37 #37100E #0E3710

tetradic

#100E37 #370E20 #35370E #0E3724

square

#100E37 #370E20 #35370E #0E3724

split-complementary

#100E37 #37240E #20370E

monochromatic

#070618 #070618 #100E37 #1E1A68 #2C2799

Accessibility & contrast

On white

18.42

#100E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E37

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E37	#FFFFFF	#000000	##FFFFFF
##100E37	1.00	18.42	1.14	18.42
#FFFFFF	18.42	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001638

Deuteranopia (green-blind)

#001236

Tritanopia (blue-blind)

#001820

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100e37;
/* rgb */ color: rgb(16, 14, 55);
/* oklch */ color: oklch(19.8% 0.077 278.8);

Tailwind

colors: {
  custom: {
    50: '#534c6e',
    500: '#100e37',
    950: '#000000',
  },
}

SCSS

$custom: #100e37;
$custom-light: #534c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#100e37",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 55
  },
  "hsl": {
    "h": 242.927,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.19796,
    "c": 0.07715,
    "h": 278.8
  },
  "luminance": 0.007
}

Semantic roles & 50–950 ramp

primary

#100E37

secondary

#6F722F

accent

#E345DB

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #100E37

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

Preview Lab → · Contrast checker → · Palette generator →