#0A3745#0A3745

#0A3745 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.053 H 223.6°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A3745
RGB	rgb(10, 55, 69)
HSL	hsl(194, 75%, 15%)
HSV	hsv(194, 86%, 27%)
CMYK	cmyk(85.5%, 20.3%, 0%, 72.9%)
CIE-LAB	lab(20.93, -9.20, -12.93)
CIE-LCH	lch(20.93, 15.87, 234.57°)
OKLab	oklab(31.46% -0.0381 -0.0362)
OKLCH	oklch(31.46% 0.053 223.6)
XYZ	xyz(2.5651, 3.2263, 6.1166)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3745 #45180A

analogous

#0A4535 #0A3745 #0A1945

triadic

#0A3745 #450A37 #37450A

tetradic

#0A3745 #350A45 #45180A #19450A

square

#0A3745 #350A45 #45180A #19450A

split-complementary

#0A3745 #450A19 #45350A

monochromatic

#04151B #04151B #0A3745 #12627A #198CB0

Accessibility & contrast

On white

12.76

#0A3745 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0A3745 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3745

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3745	#FFFFFF	#000000	##FFFFFF
##0A3745	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3646

Deuteranopia (green-blind)

#273045

Tritanopia (blue-blind)

#003B3C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0a3745;
/* rgb */ color: rgb(10, 55, 69);
/* oklch */ color: oklch(31.5% 0.053 223.6);

Tailwind

colors: {
  custom: {
    50: '#546d78',
    500: '#0a3745',
    950: '#000000',
  },
}

SCSS

$custom: #0a3745;
$custom-light: #546d78;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3745",
  "rgb": {
    "r": 10,
    "g": 55,
    "b": 69
  },
  "hsl": {
    "h": 194.237,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.31455,
    "c": 0.05257,
    "h": 223.6
  },
  "luminance": 0.03227
}

Semantic roles & 50–950 ramp

primary

#0A3745

secondary

#823E29

accent

#6336F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0A3745

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

Preview Lab → · Contrast checker → · Palette generator →