#100741#100741

#100741 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.7% C 0.101 H 278.9°. Best body text is #FFFFFF at 18.60:1 contrast (WCAG AA passes).

Color values

HEX	#100741
RGB	rgb(16, 7, 65)
HSL	hsl(249, 81%, 14%)
HSV	hsv(249, 89%, 25%)
CMYK	cmyk(75.4%, 89.2%, 0%, 74.5%)
CIE-LAB	lab(5.81, 23.79, -34.29)
CIE-LCH	lch(5.81, 41.73, 304.75°)
OKLab	oklab(19.71% 0.0157 -0.1002)
OKLCH	oklch(19.71% 0.101 278.9)
XYZ	xyz(1.2435, 0.6437, 5.0587)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.55

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100741 #384107

analogous

#071B41 #100741 #2D0741

triadic

#100741 #411007 #074110

tetradic

#100741 #41071B #384107 #07412D

square

#100741 #41071B #384107 #07412D

split-complementary

#100741 #412D07 #1B4107

monochromatic

#07031C #07031C #100741 #1E0D78 #2B13B0

Accessibility & contrast

On white

18.60

#100741 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100741 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100741

18.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100741	#FFFFFF	#000000	##FFFFFF
##100741	1.00	18.60	1.13	18.60
#FFFFFF	18.60	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#001040

Tritanopia (blue-blind)

#001824

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100741;
/* rgb */ color: rgb(16, 7, 65);
/* oklch */ color: oklch(19.7% 0.101 278.9);

Tailwind

colors: {
  custom: {
    50: '#574976',
    500: '#100741',
    950: '#000000',
  },
}

SCSS

$custom: #100741;
$custom-light: #574976;
$custom-dark: #000000;

JSON

{
  "hex": "#100741",
  "rgb": {
    "r": 16,
    "g": 7,
    "b": 65
  },
  "hsl": {
    "h": 249.31,
    "s": 80.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.19708,
    "c": 0.10141,
    "h": 278.9
  },
  "luminance": 0.00644
}

Semantic roles & 50–950 ramp

primary

#100741

secondary

#728024

accent

#F731D8

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #100741

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

Preview Lab → · Contrast checker → · Palette generator →