#0A3343#0A3343

#0A3343 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.2% C 0.052 H 228.8°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#0A3343
RGB	rgb(10, 51, 67)
HSL	hsl(197, 74%, 15%)
HSV	hsv(197, 85%, 26%)
CMYK	cmyk(85.1%, 23.9%, 0%, 73.7%)
CIE-LAB	lab(19.38, -7.42, -13.97)
CIE-LCH	lch(19.38, 15.82, 242.01°)
OKLab	oklab(30.18% -0.0343 -0.0392)
OKLCH	oklch(30.18% 0.052 228.8)
XYZ	xyz(2.3217, 2.8372, 5.7344)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3343 #431A0A

analogous

#0A4336 #0A3343 #0A1743

triadic

#0A3343 #430A33 #33430A

tetradic

#0A3343 #360A43 #431A0A #17430A

square

#0A3343 #360A43 #431A0A #17430A

split-complementary

#0A3343 #430A17 #43360A

monochromatic

#04141B #04141B #0A3343 #125C78 #1A84AE

Accessibility & contrast

On white

13.40

#0A3343 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#0A3343 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3343

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3343	#FFFFFF	#000000	##FFFFFF
##0A3343	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3244

Deuteranopia (green-blind)

#232D43

Tritanopia (blue-blind)

#003738

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a3343;
/* rgb */ color: rgb(10, 51, 67);
/* oklch */ color: oklch(30.2% 0.052 228.8);

Tailwind

colors: {
  custom: {
    50: '#536a77',
    500: '#0a3343',
    950: '#000000',
  },
}

SCSS

$custom: #0a3343;
$custom-light: #536a77;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3343",
  "rgb": {
    "r": 10,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 196.842,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.30183,
    "c": 0.05213,
    "h": 228.8
  },
  "luminance": 0.02837
}

Semantic roles & 50–950 ramp

primary

#0A3343

secondary

#804129

accent

#6B37F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3343

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

Preview Lab → · Contrast checker → · Palette generator →