#100E40#100E40

#100E40 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.8% C 0.091 H 276.7°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#100E40
RGB	rgb(16, 14, 64)
HSL	hsl(242, 64%, 15%)
HSV	hsv(242, 78%, 25%)
CMYK	cmyk(75%, 78.1%, 0%, 74.9%)
CIE-LAB	lab(7.17, 19.55, -31.35)
CIE-LCH	lch(7.17, 36.95, 301.95°)
OKLab	oklab(20.78% 0.0106 -0.0906)
OKLCH	oklch(20.78% 0.091 276.7)
XYZ	xyz(1.2958, 0.7943, 4.9345)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.95

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E40 #3E400E

analogous

#0E2540 #100E40 #290E40

triadic

#100E40 #40100E #0E4010

tetradic

#100E40 #400E25 #3E400E #0E4029

square

#100E40 #400E25 #3E400E #0E4029

split-complementary

#100E40 #40290E #25400E

monochromatic

#060519 #060519 #100E40 #1D1972 #2924A4

Accessibility & contrast

On white

18.12

#100E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#100E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E40

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E40	#FFFFFF	#000000	##FFFFFF
##100E40	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00143F

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #100e40;
/* rgb */ color: rgb(16, 14, 64);
/* oklch */ color: oklch(20.8% 0.091 276.7);

Tailwind

colors: {
  custom: {
    50: '#564c75',
    500: '#100e40',
    950: '#000000',
  },
}

SCSS

$custom: #100e40;
$custom-light: #564c75;
$custom-dark: #000000;

JSON

{
  "hex": "#100e40",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 64
  },
  "hsl": {
    "h": 242.4,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.20782,
    "c": 0.09127,
    "h": 276.7
  },
  "luminance": 0.00794
}

Semantic roles & 50–950 ramp

primary

#100E40

secondary

#787B2F

accent

#E741E0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #100E40

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

Preview Lab → · Contrast checker → · Palette generator →