#0A1845#0A1845

#0A1845 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.087 H 266.3°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#0A1845
RGB	rgb(10, 24, 69)
HSL	hsl(226, 75%, 15%)
HSV	hsv(226, 86%, 27%)
CMYK	cmyk(85.5%, 65.2%, 0%, 72.9%)
CIE-LAB	lab(10.16, 13.36, -30.01)
CIE-LCH	lch(10.16, 32.85, 293.99°)
OKLab	oklab(23.05% -0.0055 -0.0867)
OKLCH	oklch(23.05% 0.087 266.3)
XYZ	xyz(1.5256, 1.1473, 5.7701)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1845 #45370A

analogous

#0A3545 #0A1845 #190A45

triadic

#0A1845 #450A18 #18450A

tetradic

#0A1845 #450A35 #45370A #0A4519

square

#0A1845 #450A35 #45370A #0A4519

split-complementary

#0A1845 #45190A #35450A

monochromatic

#04091B #04091B #0A1845 #122B7A #193DB0

Accessibility & contrast

On white

17.08

#0A1845 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0A1845 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1845

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1845	#FFFFFF	#000000	##FFFFFF
##0A1845	1.00	17.08	1.23	17.08
#FFFFFF	17.08	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F47

Deuteranopia (green-blind)

#001944

Tritanopia (blue-blind)

#00232B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0a1845;
/* rgb */ color: rgb(10, 24, 69);
/* oklch */ color: oklch(23.1% 0.087 266.3);

Tailwind

colors: {
  custom: {
    50: '#545479',
    500: '#0a1845',
    950: '#000000',
  },
}

SCSS

$custom: #0a1845;
$custom-light: #545479;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1845",
  "rgb": {
    "r": 10,
    "g": 24,
    "b": 69
  },
  "hsl": {
    "h": 225.763,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.23052,
    "c": 0.08684,
    "h": 266.3
  },
  "luminance": 0.01147
}

Semantic roles & 50–950 ramp

primary

#0A1845

secondary

#826D29

accent

#C536F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1845

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

Preview Lab → · Contrast checker → · Palette generator →