#0A3445#0A3445

#0A3445 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.6% C 0.054 H 229.9°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#0A3445
RGB	rgb(10, 52, 69)
HSL	hsl(197, 75%, 15%)
HSV	hsv(197, 86%, 27%)
CMYK	cmyk(85.5%, 24.6%, 0%, 72.9%)
CIE-LAB	lab(19.84, -7.26, -14.61)
CIE-LCH	lch(19.84, 16.31, 243.58°)
OKLab	oklab(30.59% -0.0346 -0.0411)
OKLCH	oklch(30.59% 0.054 229.9)
XYZ	xyz(2.4269, 2.9499, 6.0705)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3445 #451B0A

analogous

#0A4538 #0A3445 #0A1645

triadic

#0A3445 #450A34 #34450A

tetradic

#0A3445 #380A45 #451B0A #16450A

square

#0A3445 #380A45 #451B0A #16450A

split-complementary

#0A3445 #450A16 #45380A

monochromatic

#04141B #04141B #0A3445 #125C7A #1985B0

Accessibility & contrast

On white

13.21

#0A3445 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#0A3445 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3445

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3445	#FFFFFF	#000000	##FFFFFF
##0A3445	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3346

Deuteranopia (green-blind)

#232D45

Tritanopia (blue-blind)

#00393A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0a3445;
/* rgb */ color: rgb(10, 52, 69);
/* oklch */ color: oklch(30.6% 0.054 229.9);

Tailwind

colors: {
  custom: {
    50: '#546b78',
    500: '#0a3445',
    950: '#000000',
  },
}

SCSS

$custom: #0a3445;
$custom-light: #546b78;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3445",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 69
  },
  "hsl": {
    "h": 197.288,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.30585,
    "c": 0.05371,
    "h": 229.9
  },
  "luminance": 0.0295
}

Semantic roles & 50–950 ramp

primary

#0A3445

secondary

#824229

accent

#6C36F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3445

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

Preview Lab → · Contrast checker → · Palette generator →