#100A34#100A34

#100A34 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.078 H 282.2°. Best body text is #FFFFFF at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#100A34
RGB	rgb(16, 10, 52)
HSL	hsl(249, 68%, 12%)
HSV	hsv(249, 81%, 20%)
CMYK	cmyk(69.2%, 80.8%, 0%, 79.6%)
CIE-LAB	lab(5.19, 16.04, -25.87)
CIE-LCH	lch(5.19, 30.44, 301.80°)
OKLab	oklab(18.68% 0.0166 -0.0765)
OKLCH	oklch(18.68% 0.078 282.2)
XYZ	xyz(0.9419, 0.5751, 3.3095)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight

#03012D

ΔE00 3.13

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100A34 #2E340A

analogous

#0A1934 #100A34 #250A34

triadic

#100A34 #34100A #0A3410

tetradic

#100A34 #340A19 #2E340A #0A3425

square

#100A34 #340A19 #2E340A #0A3425

split-complementary

#100A34 #34250A #19340A

monochromatic

#08051A #08051A #100A34 #201467 #301E9B

Accessibility & contrast

On white

18.83

#100A34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100A34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100A34

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100A34	#FFFFFF	#000000	##FFFFFF
##100A34	1.00	18.83	1.12	18.83
#FFFFFF	18.83	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001335

Deuteranopia (green-blind)

#001033

Tritanopia (blue-blind)

#00151D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100a34;
/* rgb */ color: rgb(16, 10, 52);
/* oklch */ color: oklch(18.7% 0.078 282.2);

Tailwind

colors: {
  custom: {
    50: '#524a6c',
    500: '#100a34',
    950: '#000000',
  },
}

SCSS

$custom: #100a34;
$custom-light: #524a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#100a34",
  "rgb": {
    "r": 16,
    "g": 10,
    "b": 52
  },
  "hsl": {
    "h": 248.571,
    "s": 67.742,
    "l": 12.157
  },
  "oklch": {
    "l": 0.1868,
    "c": 0.07831,
    "h": 282.2
  },
  "luminance": 0.00575
}

Semantic roles & 50–950 ramp

primary

#100A34

secondary

#677128

accent

#EB3DD2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #100A34

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

Preview Lab → · Contrast checker → · Palette generator →