#10083B#10083B

#10083B is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.1% C 0.092 H 280.5°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#10083B
RGB	rgb(16, 8, 59)
HSL	hsl(249, 76%, 13%)
HSV	hsv(249, 86%, 23%)
CMYK	cmyk(72.9%, 86.4%, 0%, 76.9%)
CIE-LAB	lab(5.42, 20.44, -30.63)
CIE-LCH	lch(5.42, 36.82, 303.71°)
OKLab	oklab(19.13% 0.0168 -0.0901)
OKLCH	oklch(19.13% 0.092 280.5)
XYZ	xyz(1.0897, 0.5995, 4.1951)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10083B #333B08

analogous

#08193B #10083B #29083B

triadic

#10083B #3B1008 #083B10

tetradic

#10083B #3B0819 #333B08 #083B29

square

#10083B #3B0819 #333B08 #083B29

split-complementary

#10083B #3B2908 #193B08

monochromatic

#07041B #07041B #10083B #1F0F71 #2D17A7

Accessibility & contrast

On white

18.75

#10083B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#10083B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10083B

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10083B	#FFFFFF	#000000	##FFFFFF
##10083B	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143C

Deuteranopia (green-blind)

#00103A

Tritanopia (blue-blind)

#001721

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #10083b;
/* rgb */ color: rgb(16, 8, 59);
/* oklch */ color: oklch(19.1% 0.092 280.5);

Tailwind

colors: {
  custom: {
    50: '#554971',
    500: '#10083b',
    950: '#000000',
  },
}

SCSS

$custom: #10083b;
$custom-light: #554971;
$custom-dark: #000000;

JSON

{
  "hex": "#10083b",
  "rgb": {
    "r": 16,
    "g": 8,
    "b": 59
  },
  "hsl": {
    "h": 249.412,
    "s": 76.119,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19131,
    "c": 0.09163,
    "h": 280.5
  },
  "luminance": 0.006
}

Semantic roles & 50–950 ramp

primary

#10083B

secondary

#6C7A25

accent

#F335D5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #10083B

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

Preview Lab → · Contrast checker → · Palette generator →