#0A3145#0A3145

#0A3145 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.7% C 0.056 H 235.9°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#0A3145
RGB	rgb(10, 49, 69)
HSL	hsl(200, 75%, 15%)
HSV	hsv(200, 86%, 27%)
CMYK	cmyk(85.5%, 29%, 0%, 72.9%)
CIE-LAB	lab(18.76, -5.26, -16.29)
CIE-LCH	lch(18.76, 17.12, 252.10°)
OKLab	oklab(29.72% -0.0312 -0.046)
OKLCH	oklch(29.72% 0.056 235.9)
XYZ	xyz(2.2972, 2.6906, 6.0273)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3145 #451E0A

analogous

#0A453B #0A3145 #0A1345

triadic

#0A3145 #450A31 #31450A

tetradic

#0A3145 #3B0A45 #451E0A #13450A

square

#0A3145 #3B0A45 #451E0A #13450A

split-complementary

#0A3145 #450A13 #453B0A

monochromatic

#04131B #04131B #0A3145 #12577A #197DB0

Accessibility & contrast

On white

13.65

#0A3145 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#0A3145 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3145

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3145	#FFFFFF	#000000	##FFFFFF
##0A3145	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273146

Deuteranopia (green-blind)

#1F2B45

Tritanopia (blue-blind)

#003638

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0a3145;
/* rgb */ color: rgb(10, 49, 69);
/* oklch */ color: oklch(29.7% 0.056 235.9);

Tailwind

colors: {
  custom: {
    50: '#546978',
    500: '#0a3145',
    950: '#000000',
  },
}

SCSS

$custom: #0a3145;
$custom-light: #546978;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3145",
  "rgb": {
    "r": 10,
    "g": 49,
    "b": 69
  },
  "hsl": {
    "h": 200.339,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.29722,
    "c": 0.05553,
    "h": 235.9
  },
  "luminance": 0.02691
}

Semantic roles & 50–950 ramp

primary

#0A3145

secondary

#824729

accent

#7636F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3145

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

Preview Lab → · Contrast checker → · Palette generator →