#0A0F3E#0A0F3E

#0A0F3E is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.3% C 0.089 H 271.1°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#0A0F3E
RGB	rgb(10, 15, 62)
HSL	hsl(234, 72%, 14%)
HSV	hsv(234, 84%, 24%)
CMYK	cmyk(83.9%, 75.8%, 0%, 75.7%)
CIE-LAB	lab(6.81, 16.97, -30.53)
CIE-LCH	lch(6.81, 34.93, 299.07°)
OKLab	oklab(20.31% 0.0017 -0.0886)
OKLCH	oklch(20.31% 0.089 271.1)
XYZ	xyz(1.1652, 0.7539, 4.6406)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0F3E #3E390A

analogous

#0A293E #0A0F3E #1F0A3E

triadic

#0A0F3E #3E0A0F #0F3E0A

tetradic

#0A0F3E #3E0A29 #3E390A #0A3E1F

square

#0A0F3E #3E0A29 #3E390A #0A3E1F

split-complementary

#0A0F3E #3E1F0A #293E0A

monochromatic

#04061A #04061A #0A0F3E #131C73 #1B29A7

Accessibility & contrast

On white

18.25

#0A0F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0F3E

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0F3E	#FFFFFF	#000000	##FFFFFF
##0A0F3E	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183F

Deuteranopia (green-blind)

#00133D

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0f3e;
/* rgb */ color: rgb(10, 15, 62);
/* oklch */ color: oklch(20.3% 0.089 271.1);

Tailwind

colors: {
  custom: {
    50: '#534d74',
    500: '#0a0f3e',
    950: '#000000',
  },
}

SCSS

$custom: #0a0f3e;
$custom-light: #534d74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0f3e",
  "rgb": {
    "r": 10,
    "g": 15,
    "b": 62
  },
  "hsl": {
    "h": 234.231,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20306,
    "c": 0.08864,
    "h": 271.1
  },
  "luminance": 0.00754
}

Semantic roles & 50–950 ramp

primary

#0A0F3E

secondary

#7B7328

accent

#DD39EF

background

#F5F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0F3E

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

Preview Lab → · Contrast checker → · Palette generator →