#0A1D41#0A1D41

#0A1D41 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.073 H 261.7°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#0A1D41
RGB	rgb(10, 29, 65)
HSL	hsl(219, 73%, 15%)
HSV	hsv(219, 85%, 25%)
CMYK	cmyk(84.6%, 55.4%, 0%, 74.5%)
CIE-LAB	lab(11.45, 7.62, -25.13)
CIE-LCH	lch(11.45, 26.26, 286.87°)
OKLab	oklab(23.92% -0.0105 -0.0722)
OKLCH	oklch(23.92% 0.073 261.7)
XYZ	xyz(1.5183, 1.3247, 5.1757)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1D41 #412E0A

analogous

#0A3941 #0A1D41 #130A41

triadic

#0A1D41 #410A1D #1D410A

tetradic

#0A1D41 #410A39 #412E0A #0A4113

square

#0A1D41 #410A39 #412E0A #0A4113

split-complementary

#0A1D41 #41130A #39410A

monochromatic

#040C1B #040C1B #0A1D41 #123576 #1A4CAB

Accessibility & contrast

On white

16.60

#0A1D41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0A1D41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1D41

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1D41	#FFFFFF	#000000	##FFFFFF
##0A1D41	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082142

Deuteranopia (green-blind)

#001C40

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0a1d41;
/* rgb */ color: rgb(10, 29, 65);
/* oklch */ color: oklch(23.9% 0.073 261.7);

Tailwind

colors: {
  custom: {
    50: '#535876',
    500: '#0a1d41',
    950: '#000000',
  },
}

SCSS

$custom: #0a1d41;
$custom-light: #535876;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1d41",
  "rgb": {
    "r": 10,
    "g": 29,
    "b": 65
  },
  "hsl": {
    "h": 219.273,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.23915,
    "c": 0.07295,
    "h": 261.7
  },
  "luminance": 0.01325
}

Semantic roles & 50–950 ramp

primary

#0A1D41

secondary

#7E6129

accent

#B038F0

background

#F4F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #0A1D41

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

Preview Lab → · Contrast checker → · Palette generator →