#0A083B#0A083B

#0A083B is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.093 H 274.3°. Best body text is #FFFFFF at 18.91:1 contrast (WCAG AA passes).

Color values

HEX	#0A083B
RGB	rgb(10, 8, 59)
HSL	hsl(242, 76%, 13%)
HSV	hsv(242, 86%, 23%)
CMYK	cmyk(83.1%, 86.4%, 0%, 76.9%)
CIE-LAB	lab(5.00, 19.07, -31.32)
CIE-LCH	lch(5.00, 36.67, 301.34°)
OKLab	oklab(18.6% 0.007 -0.093)
OKLCH	oklch(18.6% 0.093 274.3)
XYZ	xyz(1.0012, 0.5539, 4.1910)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A083B #393B08

analogous

#081F3B #0A083B #23083B

triadic

#0A083B #3B0A08 #083B0A

tetradic

#0A083B #3B081F #393B08 #083B23

square

#0A083B #3B081F #393B08 #083B23

split-complementary

#0A083B #3B2308 #1F3B08

monochromatic

#05041B #05041B #0A083B #130F71 #1C17A7

Accessibility & contrast

On white

18.91

#0A083B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A083B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A083B

18.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A083B	#FFFFFF	#000000	##FFFFFF
##0A083B	1.00	18.91	1.11	18.91
#FFFFFF	18.91	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133C

Deuteranopia (green-blind)

#000E3A

Tritanopia (blue-blind)

#001721

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0a083b;
/* rgb */ color: rgb(10, 8, 59);
/* oklch */ color: oklch(18.6% 0.093 274.3);

Tailwind

colors: {
  custom: {
    50: '#524971',
    500: '#0a083b',
    950: '#000000',
  },
}

SCSS

$custom: #0a083b;
$custom-light: #524971;
$custom-dark: #000000;

JSON

{
  "hex": "#0a083b",
  "rgb": {
    "r": 10,
    "g": 8,
    "b": 59
  },
  "hsl": {
    "h": 242.353,
    "s": 76.119,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18603,
    "c": 0.09323,
    "h": 274.3
  },
  "luminance": 0.00554
}

Semantic roles & 50–950 ramp

primary

#0A083B

secondary

#767A25

accent

#F335EB

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#030108

muted

#78777B

Preview Lab

Preview with #0A083B

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

Preview Lab → · Contrast checker → · Palette generator →