#100D2F#100D2F

#100D2F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.066 H 282.0°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#100D2F
RGB	rgb(16, 13, 47)
HSL	hsl(245, 57%, 12%)
HSV	hsv(245, 72%, 18%)
CMYK	cmyk(66%, 72.3%, 0%, 81.6%)
CIE-LAB	lab(5.45, 12.16, -21.77)
CIE-LCH	lch(5.45, 24.93, 299.19°)
OKLab	oklab(18.76% 0.0137 -0.0641)
OKLCH	oklch(18.76% 0.066 282)
XYZ	xyz(0.8705, 0.6032, 2.7593)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D2F #2C2F0D

analogous

#0D1B2F #100D2F #210D2F

triadic

#100D2F #2F100D #0D2F10

tetradic

#100D2F #2F0D1B #2C2F0D #0D2F21

square

#100D2F #2F0D1B #2C2F0D #0D2F21

split-complementary

#100D2F #2F210D #1B2F0D

monochromatic

#080718 #080718 #100D2F #201A5F #31288F

Accessibility & contrast

On white

18.74

#100D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D2F

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D2F	#FFFFFF	#000000	##FFFFFF
##100D2F	1.00	18.74	1.12	18.74
#FFFFFF	18.74	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001330

Deuteranopia (green-blind)

#00112E

Tritanopia (blue-blind)

#04151C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #100d2f;
/* rgb */ color: rgb(16, 13, 47);
/* oklch */ color: oklch(18.8% 0.066 282.0);

Tailwind

colors: {
  custom: {
    50: '#514c68',
    500: '#100d2f',
    950: '#000000',
  },
}

SCSS

$custom: #100d2f;
$custom-light: #514c68;
$custom-dark: #000000;

JSON

{
  "hex": "#100d2f",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 47
  },
  "hsl": {
    "h": 245.294,
    "s": 56.667,
    "l": 11.765
  },
  "oklch": {
    "l": 0.18764,
    "c": 0.0655,
    "h": 282
  },
  "luminance": 0.00603
}

Semantic roles & 50–950 ramp

primary

#100D2F

secondary

#656A2E

accent

#E048D3

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100D2F

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

Preview Lab → · Contrast checker → · Palette generator →