#0A0741#0A0741

#0A0741 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.2% C 0.103 H 273.3°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A0741
RGB	rgb(10, 7, 65)
HSL	hsl(243, 81%, 14%)
HSV	hsv(243, 89%, 25%)
CMYK	cmyk(84.6%, 89.2%, 0%, 74.5%)
CIE-LAB	lab(5.40, 22.70, -34.98)
CIE-LCH	lch(5.40, 41.70, 302.99°)
OKLab	oklab(19.21% 0.006 -0.1029)
OKLCH	oklch(19.21% 0.103 273.3)
XYZ	xyz(1.1550, 0.5980, 5.0546)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.29

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0741 #3E4107

analogous

#072141 #0A0741 #270741

triadic

#0A0741 #410A07 #07410A

tetradic

#0A0741 #410721 #3E4107 #074127

square

#0A0741 #410721 #3E4107 #074127

split-complementary

#0A0741 #412707 #214107

monochromatic

#04031C #04031C #0A0741 #120D78 #1B13B0

Accessibility & contrast

On white

18.76

#0A0741 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0A0741 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0741

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0741	#FFFFFF	#000000	##FFFFFF
##0A0741	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#000F40

Tritanopia (blue-blind)

#001924

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0a0741;
/* rgb */ color: rgb(10, 7, 65);
/* oklch */ color: oklch(19.2% 0.103 273.3);

Tailwind

colors: {
  custom: {
    50: '#544876',
    500: '#0a0741',
    950: '#000000',
  },
}

SCSS

$custom: #0a0741;
$custom-light: #544876;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0741",
  "rgb": {
    "r": 10,
    "g": 7,
    "b": 65
  },
  "hsl": {
    "h": 243.103,
    "s": 80.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.19209,
    "c": 0.1031,
    "h": 273.3
  },
  "luminance": 0.00598
}

Semantic roles & 50–950 ramp

primary

#0A0741

secondary

#7B8024

accent

#F731ED

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0A0741

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

Preview Lab → · Contrast checker → · Palette generator →