#0A2348#0A2348

#0A2348 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.1% C 0.076 H 258.4°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#0A2348
RGB	rgb(10, 35, 72)
HSL	hsl(216, 76%, 16%)
HSV	hsv(216, 86%, 28%)
CMYK	cmyk(86.1%, 51.4%, 0%, 71.8%)
CIE-LAB	lab(14.03, 6.17, -25.85)
CIE-LCH	lch(14.03, 26.57, 283.42°)
OKLab	oklab(26.07% -0.0152 -0.0742)
OKLCH	oklch(26.07% 0.076 258.4)
XYZ	xyz(1.8955, 1.7343, 6.3645)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2348 #482F0A

analogous

#0A4248 #0A2348 #100A48

triadic

#0A2348 #480A23 #23480A

tetradic

#0A2348 #480A42 #482F0A #0A4810

square

#0A2348 #480A42 #482F0A #0A4810

split-complementary

#0A2348 #48100A #42480A

monochromatic

#040D1B #040D1B #0A2348 #113D7E #1957B3

Accessibility & contrast

On white

15.59

#0A2348 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0A2348 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2348

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2348	#FFFFFF	#000000	##FFFFFF
##0A2348	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2749

Deuteranopia (green-blind)

#032147

Tritanopia (blue-blind)

#002C32

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0a2348;
/* rgb */ color: rgb(10, 35, 72);
/* oklch */ color: oklch(26.1% 0.076 258.4);

Tailwind

colors: {
  custom: {
    50: '#545d7b',
    500: '#0a2348',
    950: '#000000',
  },
}

SCSS

$custom: #0a2348;
$custom-light: #545d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2348",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 72
  },
  "hsl": {
    "h": 215.806,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26071,
    "c": 0.0757,
    "h": 258.4
  },
  "luminance": 0.01734
}

Semantic roles & 50–950 ramp

primary

#0A2348

secondary

#856029

accent

#A636F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #0A2348

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

Preview Lab → · Contrast checker → · Palette generator →