#0A1041#0A1041

#0A1041 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.092 H 270.4°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#0A1041
RGB	rgb(10, 16, 65)
HSL	hsl(233, 73%, 15%)
HSV	hsv(233, 85%, 25%)
CMYK	cmyk(84.6%, 75.4%, 0%, 74.5%)
CIE-LAB	lab(7.38, 17.71, -31.75)
CIE-LCH	lch(7.38, 36.35, 299.15°)
OKLab	oklab(20.86% 0.0007 -0.0919)
OKLCH	oklch(20.86% 0.092 270.4)
XYZ	xyz(1.2643, 0.8166, 5.0910)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1041 #413B0A

analogous

#0A2B41 #0A1041 #200A41

triadic

#0A1041 #410A10 #10410A

tetradic

#0A1041 #410A2B #413B0A #0A4120

square

#0A1041 #410A2B #413B0A #0A4120

split-complementary

#0A1041 #41200A #2B410A

monochromatic

#04071B #04071B #0A1041 #121D76 #1A2AAB

Accessibility & contrast

On white

18.05

#0A1041 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A1041 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1041

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1041	#FFFFFF	#000000	##FFFFFF
##0A1041	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001943

Deuteranopia (green-blind)

#001440

Tritanopia (blue-blind)

#001D26

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a1041;
/* rgb */ color: rgb(10, 16, 65);
/* oklch */ color: oklch(20.9% 0.092 270.4);

Tailwind

colors: {
  custom: {
    50: '#544e76',
    500: '#0a1041',
    950: '#000000',
  },
}

SCSS

$custom: #0a1041;
$custom-light: #544e76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1041",
  "rgb": {
    "r": 10,
    "g": 16,
    "b": 65
  },
  "hsl": {
    "h": 233.455,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.20855,
    "c": 0.09192,
    "h": 270.4
  },
  "luminance": 0.00817
}

Semantic roles & 50–950 ramp

primary

#0A1041

secondary

#7E7529

accent

#DC38F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A1041

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

Preview Lab → · Contrast checker → · Palette generator →