#100D30#100D30

#100D30 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.9% C 0.067 H 281.7°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#100D30
RGB	rgb(16, 13, 48)
HSL	hsl(245, 57%, 12%)
HSV	hsv(245, 73%, 19%)
CMYK	cmyk(66.7%, 72.9%, 0%, 81.2%)
CIE-LAB	lab(5.52, 12.65, -22.39)
CIE-LCH	lch(5.52, 25.72, 299.47°)
OKLab	oklab(18.86% 0.0136 -0.0658)
OKLCH	oklch(18.86% 0.067 281.7)
XYZ	xyz(0.8909, 0.6114, 2.8668)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D30 #2D300D

analogous

#0D1C30 #100D30 #220D30

triadic

#100D30 #30100D #0D3010

tetradic

#100D30 #300D1C #2D300D #0D3022

square

#100D30 #300D1C #2D300D #0D3022

split-complementary

#100D30 #30220D #1C300D

monochromatic

#080718 #080718 #100D30 #201A60 #302790

Accessibility & contrast

On white

18.71

#100D30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100D30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D30

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D30	#FFFFFF	#000000	##FFFFFF
##100D30	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001331

Deuteranopia (green-blind)

#00112F

Tritanopia (blue-blind)

#03151C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #100d30;
/* rgb */ color: rgb(16, 13, 48);
/* oklch */ color: oklch(18.9% 0.067 281.7);

Tailwind

colors: {
  custom: {
    50: '#514c68',
    500: '#100d30',
    950: '#000000',
  },
}

SCSS

$custom: #100d30;
$custom-light: #514c68;
$custom-dark: #000000;

JSON

{
  "hex": "#100d30",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 48
  },
  "hsl": {
    "h": 245.143,
    "s": 57.377,
    "l": 11.961
  },
  "oklch": {
    "l": 0.18864,
    "c": 0.06719,
    "h": 281.7
  },
  "luminance": 0.00611
}

Semantic roles & 50–950 ramp

primary

#100D30

secondary

#666B2E

accent

#E147D3

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100D30

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

Preview Lab → · Contrast checker → · Palette generator →