#0A0D41#0A0D41

#0A0D41 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.3% C 0.096 H 271.6°. Best body text is #FFFFFF at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D41
RGB	rgb(10, 13, 65)
HSL	hsl(237, 73%, 15%)
HSV	hsv(237, 85%, 25%)
CMYK	cmyk(84.6%, 80%, 0%, 74.5%)
CIE-LAB	lab(6.63, 19.62, -32.97)
CIE-LCH	lch(6.63, 38.37, 300.76°)
OKLab	oklab(20.26% 0.0027 -0.0958)
OKLCH	oklch(20.26% 0.096 271.6)
XYZ	xyz(1.2229, 0.7339, 5.0772)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.15

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D41 #413E0A

analogous

#0A2941 #0A0D41 #230A41

triadic

#0A0D41 #410A0D #0D410A

tetradic

#0A0D41 #410A29 #413E0A #0A4123

square

#0A0D41 #410A29 #413E0A #0A4123

split-complementary

#0A0D41 #41230A #29410A

monochromatic

#04051B #04051B #0A0D41 #121876 #1A22AB

Accessibility & contrast

On white

18.31

#0A0D41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0D41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D41

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D41	#FFFFFF	#000000	##FFFFFF
##0A0D41	1.00	18.31	1.15	18.31
#FFFFFF	18.31	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001743

Deuteranopia (green-blind)

#001240

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0d41;
/* rgb */ color: rgb(10, 13, 65);
/* oklch */ color: oklch(20.3% 0.096 271.6);

Tailwind

colors: {
  custom: {
    50: '#544c76',
    500: '#0a0d41',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d41;
$custom-light: #544c76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d41",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 65
  },
  "hsl": {
    "h": 236.727,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.20263,
    "c": 0.09589,
    "h": 271.6
  },
  "luminance": 0.00734
}

Semantic roles & 50–950 ramp

primary

#0A0D41

secondary

#7E7A29

accent

#E638F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0D41

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

Preview Lab → · Contrast checker → · Palette generator →