#0A343F#0A343F

#0A343F is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.3% C 0.048 H 219.4°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#0A343F
RGB	rgb(10, 52, 63)
HSL	hsl(192, 73%, 14%)
HSV	hsv(192, 84%, 25%)
CMYK	cmyk(84.1%, 17.5%, 0%, 75.3%)
CIE-LAB	lab(19.55, -9.68, -10.98)
CIE-LCH	lch(19.55, 14.64, 228.60°)
OKLab	oklab(30.26% -0.0373 -0.0307)
OKLCH	oklch(30.26% 0.048 219.4)
XYZ	xyz(2.2500, 2.8791, 5.1388)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A343F #3F150A

analogous

#0A3F30 #0A343F #0A1A3F

triadic

#0A343F #3F0A34 #343F0A

tetradic

#0A343F #300A3F #3F150A #1A3F0A

square

#0A343F #300A3F #3F150A #1A3F0A

split-complementary

#0A343F #3F0A1A #3F300A

monochromatic

#04161A #04161A #0A343F #126074 #1B8BA9

Accessibility & contrast

On white

13.33

#0A343F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0A343F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A343F

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A343F	#FFFFFF	#000000	##FFFFFF
##0A343F	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3240

Deuteranopia (green-blind)

#262D3F

Tritanopia (blue-blind)

#003837

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a343f;
/* rgb */ color: rgb(10, 52, 63);
/* oklch */ color: oklch(30.3% 0.048 219.4);

Tailwind

colors: {
  custom: {
    50: '#536b74',
    500: '#0a343f',
    950: '#000000',
  },
}

SCSS

$custom: #0a343f;
$custom-light: #536b74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a343f",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 63
  },
  "hsl": {
    "h": 192.453,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.30258,
    "c": 0.04833,
    "h": 219.4
  },
  "luminance": 0.02879
}

Semantic roles & 50–950 ramp

primary

#0A343F

secondary

#7C3A29

accent

#5E38EF

background

#F5F6F7

surface

#E8EBED

border

#C4C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A343F

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

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