#10083F#10083F

#10083F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.6% C 0.097 H 279.2°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#10083F
RGB	rgb(16, 8, 63)
HSL	hsl(249, 77%, 14%)
HSV	hsv(249, 87%, 25%)
CMYK	cmyk(74.6%, 87.3%, 0%, 75.3%)
CIE-LAB	lab(5.80, 22.36, -32.87)
CIE-LCH	lch(5.80, 39.76, 304.22°)
OKLab	oklab(19.62% 0.0156 -0.0961)
OKLCH	oklch(19.62% 0.097 279.2)
XYZ	xyz(1.1974, 0.6426, 4.7626)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 3.12

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10083F #373F08

analogous

#081C3F #10083F #2C083F

triadic

#10083F #3F1008 #083F10

tetradic

#10083F #3F081C #373F08 #083F2C

square

#10083F #3F081C #373F08 #083F2C

split-complementary

#10083F #3F2C08 #1C3F08

monochromatic

#07031B #07031B #10083F #1E0F75 #2C16AC

Accessibility & contrast

On white

18.61

#10083F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#10083F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10083F

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10083F	#FFFFFF	#000000	##FFFFFF
##10083F	1.00	18.61	1.13	18.61
#FFFFFF	18.61	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001541

Deuteranopia (green-blind)

#00113E

Tritanopia (blue-blind)

#001823

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #10083f;
/* rgb */ color: rgb(16, 8, 63);
/* oklch */ color: oklch(19.6% 0.097 279.2);

Tailwind

colors: {
  custom: {
    50: '#564975',
    500: '#10083f',
    950: '#000000',
  },
}

SCSS

$custom: #10083f;
$custom-light: #564975;
$custom-dark: #000000;

JSON

{
  "hex": "#10083f",
  "rgb": {
    "r": 16,
    "g": 8,
    "b": 63
  },
  "hsl": {
    "h": 248.727,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.19624,
    "c": 0.09736,
    "h": 279.2
  },
  "luminance": 0.00643
}

Semantic roles & 50–950 ramp

primary

#10083F

secondary

#717E25

accent

#F434D8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #10083F

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

Preview Lab → · Contrast checker → · Palette generator →