#0A2145#0A2145

#0A2145 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.3% C 0.074 H 259.2°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#0A2145
RGB	rgb(10, 33, 69)
HSL	hsl(217, 75%, 15%)
HSV	hsv(217, 86%, 27%)
CMYK	cmyk(85.5%, 52.2%, 0%, 72.9%)
CIE-LAB	lab(13.12, 6.34, -25.23)
CIE-LCH	lch(13.12, 26.02, 284.10°)
OKLab	oklab(25.3% -0.0138 -0.0724)
OKLCH	oklch(25.3% 0.074 259.2)
XYZ	xyz(1.7428, 1.5817, 5.8425)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2145 #452E0A

analogous

#0A3E45 #0A2145 #100A45

triadic

#0A2145 #450A21 #21450A

tetradic

#0A2145 #450A3E #452E0A #0A4510

square

#0A2145 #450A3E #452E0A #0A4510

split-complementary

#0A2145 #45100A #3E450A

monochromatic

#040D1B #040D1B #0A2145 #123B7A #1954B0

Accessibility & contrast

On white

15.95

#0A2145 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0A2145 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2145

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2145	#FFFFFF	#000000	##FFFFFF
##0A2145	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2546

Deuteranopia (green-blind)

#021F44

Tritanopia (blue-blind)

#002A2F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a2145;
/* rgb */ color: rgb(10, 33, 69);
/* oklch */ color: oklch(25.3% 0.074 259.2);

Tailwind

colors: {
  custom: {
    50: '#545b79',
    500: '#0a2145',
    950: '#000000',
  },
}

SCSS

$custom: #0a2145;
$custom-light: #545b79;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2145",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 69
  },
  "hsl": {
    "h": 216.61,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25298,
    "c": 0.0737,
    "h": 259.2
  },
  "luminance": 0.01582
}

Semantic roles & 50–950 ramp

primary

#0A2145

secondary

#825F29

accent

#A836F1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #0A2145

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

Preview Lab → · Contrast checker → · Palette generator →