#0A0433#0A0433

#0A0433 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.7% C 0.088 H 278.2°. Best body text is #FFFFFF at 19.48:1 contrast (WCAG AA passes).

Color values

HEX	#0A0433
RGB	rgb(10, 4, 51)
HSL	hsl(248, 85%, 11%)
HSV	hsv(248, 92%, 20%)
CMYK	cmyk(80.4%, 92.2%, 0%, 80%)
CIE-LAB	lab(3.53, 16.18, -27.84)
CIE-LCH	lch(3.53, 32.20, 300.16°)
OKLab	oklab(16.71% 0.0126 -0.0867)
OKLCH	oklch(16.71% 0.088 278.2)
XYZ	xyz(0.7659, 0.3903, 3.1663)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0433 #2D3304

analogous

#041533 #0A0433 #210433

triadic

#0A0433 #330A04 #04330A

tetradic

#0A0433 #330415 #2D3304 #043321

square

#0A0433 #330415 #2D3304 #043321

split-complementary

#0A0433 #332104 #153304

monochromatic

#06021C #06021C #0A0433 #15086C #200DA4

Accessibility & contrast

On white

19.48

#0A0433 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0A0433 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0433

19.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0433	#FFFFFF	#000000	##FFFFFF
##0A0433	1.00	19.48	1.08	19.48
#FFFFFF	19.48	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F34

Deuteranopia (green-blind)

#000B32

Tritanopia (blue-blind)

#00111B

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0a0433;
/* rgb */ color: rgb(10, 4, 51);
/* oklch */ color: oklch(16.7% 0.088 278.2);

Tailwind

colors: {
  custom: {
    50: '#4e486b',
    500: '#0a0433',
    950: '#000000',
  },
}

SCSS

$custom: #0a0433;
$custom-light: #4e486b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0433",
  "rgb": {
    "r": 10,
    "g": 4,
    "b": 51
  },
  "hsl": {
    "h": 247.66,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.16707,
    "c": 0.08761,
    "h": 278.2
  },
  "luminance": 0.0039
}

Semantic roles & 50–950 ramp

primary

#0A0433

secondary

#6A751D

accent

#FC2CE1

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0433

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

Preview Lab → · Contrast checker → · Palette generator →