#0A3645#0A3645

#0A3645 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.2% C 0.053 H 225.7°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#0A3645
RGB	rgb(10, 54, 69)
HSL	hsl(195, 75%, 15%)
HSV	hsv(195, 86%, 27%)
CMYK	cmyk(85.5%, 21.7%, 0%, 72.9%)
CIE-LAB	lab(20.57, -8.56, -13.49)
CIE-LCH	lch(20.57, 15.97, 237.61°)
OKLab	oklab(31.16% -0.0369 -0.0378)
OKLCH	oklch(31.16% 0.053 225.7)
XYZ	xyz(2.5181, 3.1322, 6.1009)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3645 #45190A

analogous

#0A4536 #0A3645 #0A1845

triadic

#0A3645 #450A36 #36450A

tetradic

#0A3645 #360A45 #45190A #18450A

square

#0A3645 #360A45 #45190A #18450A

split-complementary

#0A3645 #450A18 #45360A

monochromatic

#04151B #04151B #0A3645 #12607A #198AB0

Accessibility & contrast

On white

12.91

#0A3645 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#0A3645 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3645

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3645	#FFFFFF	#000000	##FFFFFF
##0A3645	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3546

Deuteranopia (green-blind)

#262F45

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0a3645;
/* rgb */ color: rgb(10, 54, 69);
/* oklch */ color: oklch(31.2% 0.053 225.7);

Tailwind

colors: {
  custom: {
    50: '#546d78',
    500: '#0a3645',
    950: '#000000',
  },
}

SCSS

$custom: #0a3645;
$custom-light: #546d78;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3645",
  "rgb": {
    "r": 10,
    "g": 54,
    "b": 69
  },
  "hsl": {
    "h": 195.254,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.31164,
    "c": 0.05287,
    "h": 225.7
  },
  "luminance": 0.03133
}

Semantic roles & 50–950 ramp

primary

#0A3645

secondary

#823F29

accent

#6636F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0A3645

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

Preview Lab → · Contrast checker → · Palette generator →