#0A0F41#0A0F41

#0A0F41 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.093 H 270.9°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#0A0F41
RGB	rgb(10, 15, 65)
HSL	hsl(235, 73%, 15%)
HSV	hsv(235, 85%, 25%)
CMYK	cmyk(84.6%, 76.9%, 0%, 74.5%)
CIE-LAB	lab(7.12, 18.38, -32.18)
CIE-LCH	lch(7.12, 37.06, 299.74°)
OKLab	oklab(20.65% 0.0014 -0.0933)
OKLCH	oklch(20.65% 0.093 270.9)
XYZ	xyz(1.2498, 0.7877, 5.0862)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.86

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0F41 #413C0A

analogous

#0A2B41 #0A0F41 #200A41

triadic

#0A0F41 #410A0F #0F410A

tetradic

#0A0F41 #410A2B #413C0A #0A4120

square

#0A0F41 #410A2B #413C0A #0A4120

split-complementary

#0A0F41 #41200A #2B410A

monochromatic

#04061B #04061B #0A0F41 #121B76 #1A27AB

Accessibility & contrast

On white

18.14

#0A0F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A0F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0F41

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0F41	#FFFFFF	#000000	##FFFFFF
##0A0F41	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001843

Deuteranopia (green-blind)

#001340

Tritanopia (blue-blind)

#001D26

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a0f41;
/* rgb */ color: rgb(10, 15, 65);
/* oklch */ color: oklch(20.7% 0.093 270.9);

Tailwind

colors: {
  custom: {
    50: '#544d76',
    500: '#0a0f41',
    950: '#000000',
  },
}

SCSS

$custom: #0a0f41;
$custom-light: #544d76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0f41",
  "rgb": {
    "r": 10,
    "g": 15,
    "b": 65
  },
  "hsl": {
    "h": 234.545,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.20652,
    "c": 0.09327,
    "h": 270.9
  },
  "luminance": 0.00788
}

Semantic roles & 50–950 ramp

primary

#0A0F41

secondary

#7E7629

accent

#DF38F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0F41

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

Preview Lab → · Contrast checker → · Palette generator →