#100E3F#100E3F

#100E3F is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.090 H 276.9°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#100E3F
RGB	rgb(16, 14, 63)
HSL	hsl(242, 64%, 15%)
HSV	hsv(242, 78%, 25%)
CMYK	cmyk(74.6%, 77.8%, 0%, 75.3%)
CIE-LAB	lab(7.07, 19.12, -30.80)
CIE-LCH	lch(7.07, 36.25, 301.83°)
OKLab	oklab(20.67% 0.0108 -0.0891)
OKLCH	oklch(20.67% 0.09 276.9)
XYZ	xyz(1.2676, 0.7830, 4.7860)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 3.05

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E3F #3D3F0E

analogous

#0E243F #100E3F #280E3F

triadic

#100E3F #3F100E #0E3F10

tetradic

#100E3F #3F0E24 #3D3F0E #0E3F28

square

#100E3F #3F0E24 #3D3F0E #0E3F28

split-complementary

#100E3F #3F280E #243F0E

monochromatic

#060619 #060619 #100E3F #1D1971 #2924A3

Accessibility & contrast

On white

18.16

#100E3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#100E3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E3F

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E3F	#FFFFFF	#000000	##FFFFFF
##100E3F	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001840

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #100e3f;
/* rgb */ color: rgb(16, 14, 63);
/* oklch */ color: oklch(20.7% 0.090 276.9);

Tailwind

colors: {
  custom: {
    50: '#564c75',
    500: '#100e3f',
    950: '#000000',
  },
}

SCSS

$custom: #100e3f;
$custom-light: #564c75;
$custom-dark: #000000;

JSON

{
  "hex": "#100e3f",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 63
  },
  "hsl": {
    "h": 242.449,
    "s": 63.636,
    "l": 15.098
  },
  "oklch": {
    "l": 0.20669,
    "c": 0.08974,
    "h": 276.9
  },
  "luminance": 0.00783
}

Semantic roles & 50–950 ramp

primary

#100E3F

secondary

#777A2F

accent

#E741E0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #100E3F

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

Preview Lab → · Contrast checker → · Palette generator →