#100D35#100D35

#100D35 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.4% C 0.075 H 280.1°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#100D35
RGB	rgb(16, 13, 53)
HSL	hsl(245, 61%, 13%)
HSV	hsv(245, 75%, 21%)
CMYK	cmyk(69.8%, 75.5%, 0%, 79.2%)
CIE-LAB	lab(5.92, 15.09, -25.45)
CIE-LCH	lch(5.92, 29.59, 300.67°)
OKLab	oklab(19.38% 0.0132 -0.0743)
OKLCH	oklch(19.38% 0.075 280.1)
XYZ	xyz(1.0000, 0.6550, 3.4412)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D35 #32350D

analogous

#0D1E35 #100D35 #240D35

triadic

#100D35 #35100D #0D3510

tetradic

#100D35 #350D1E #32350D #0D3524

square

#100D35 #350D1E #32350D #0D3524

split-complementary

#100D35 #35240D #1E350D

monochromatic

#070619 #070619 #100D35 #1F1966 #2E2597

Accessibility & contrast

On white

18.57

#100D35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100D35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D35

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D35	#FFFFFF	#000000	##FFFFFF
##100D35	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001536

Deuteranopia (green-blind)

#001234

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100d35;
/* rgb */ color: rgb(16, 13, 53);
/* oklch */ color: oklch(19.4% 0.075 280.1);

Tailwind

colors: {
  custom: {
    50: '#534c6d',
    500: '#100d35',
    950: '#000000',
  },
}

SCSS

$custom: #100d35;
$custom-light: #534c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#100d35",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 53
  },
  "hsl": {
    "h": 244.5,
    "s": 60.606,
    "l": 12.941
  },
  "oklch": {
    "l": 0.19378,
    "c": 0.07543,
    "h": 280.1
  },
  "luminance": 0.00655
}

Semantic roles & 50–950 ramp

primary

#100D35

secondary

#6B702D

accent

#E444D8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #100D35

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

Preview Lab → · Contrast checker → · Palette generator →