#0A1741#0A1741

#0A1741 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.082 H 266.6°. Best body text is #FFFFFF at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#0A1741
RGB	rgb(10, 23, 65)
HSL	hsl(226, 73%, 15%)
HSV	hsv(226, 85%, 25%)
CMYK	cmyk(84.6%, 64.6%, 0%, 74.5%)
CIE-LAB	lab(9.47, 12.34, -28.32)
CIE-LCH	lch(9.47, 30.90, 293.55°)
OKLab	oklab(22.42% -0.0049 -0.0817)
OKLCH	oklch(22.42% 0.082 266.6)
XYZ	xyz(1.3854, 1.0588, 5.1314)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1741 #41340A

analogous

#0A3341 #0A1741 #190A41

triadic

#0A1741 #410A17 #17410A

tetradic

#0A1741 #410A33 #41340A #0A4119

square

#0A1741 #410A33 #41340A #0A4119

split-complementary

#0A1741 #41190A #33410A

monochromatic

#04091B #04091B #0A1741 #122A76 #1A3DAB

Accessibility & contrast

On white

17.33

#0A1741 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0A1741 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1741

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1741	#FFFFFF	#000000	##FFFFFF
##0A1741	1.00	17.33	1.21	17.33
#FFFFFF	17.33	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D42

Deuteranopia (green-blind)

#001840

Tritanopia (blue-blind)

#002129

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0a1741;
/* rgb */ color: rgb(10, 23, 65);
/* oklch */ color: oklch(22.4% 0.082 266.6);

Tailwind

colors: {
  custom: {
    50: '#535376',
    500: '#0a1741',
    950: '#000000',
  },
}

SCSS

$custom: #0a1741;
$custom-light: #535376;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1741",
  "rgb": {
    "r": 10,
    "g": 23,
    "b": 65
  },
  "hsl": {
    "h": 225.818,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.22418,
    "c": 0.08186,
    "h": 266.6
  },
  "luminance": 0.01059
}

Semantic roles & 50–950 ramp

primary

#0A1741

secondary

#7E6A29

accent

#C438F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A1741

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

Preview Lab → · Contrast checker → · Palette generator →