#0A3242#0A3242

#0A3242 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.052 H 229.3°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#0A3242
RGB	rgb(10, 50, 66)
HSL	hsl(197, 74%, 15%)
HSV	hsv(197, 85%, 26%)
CMYK	cmyk(84.8%, 24.2%, 0%, 74.1%)
CIE-LAB	lab(18.97, -7.18, -13.93)
CIE-LCH	lch(18.97, 15.67, 242.74°)
OKLab	oklab(29.84% -0.0336 -0.0391)
OKLCH	oklch(29.84% 0.052 229.3)
XYZ	xyz(2.2487, 2.7388, 5.5633)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3242 #421A0A

analogous

#0A4236 #0A3242 #0A1642

triadic

#0A3242 #420A32 #32420A

tetradic

#0A3242 #360A42 #421A0A #16420A

square

#0A3242 #360A42 #421A0A #16420A

split-complementary

#0A3242 #420A16 #42360A

monochromatic

#04141B #04141B #0A3242 #125A77 #1A83AC

Accessibility & contrast

On white

13.57

#0A3242 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0A3242 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3242

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3242	#FFFFFF	#000000	##FFFFFF
##0A3242	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3143

Deuteranopia (green-blind)

#222C42

Tritanopia (blue-blind)

#003637

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0a3242;
/* rgb */ color: rgb(10, 50, 66);
/* oklch */ color: oklch(29.8% 0.052 229.3);

Tailwind

colors: {
  custom: {
    50: '#536976',
    500: '#0a3242',
    950: '#000000',
  },
}

SCSS

$custom: #0a3242;
$custom-light: #536976;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3242",
  "rgb": {
    "r": 10,
    "g": 50,
    "b": 66
  },
  "hsl": {
    "h": 197.143,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.29836,
    "c": 0.05158,
    "h": 229.3
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#0A3242

secondary

#7F4129

accent

#6C37F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3242

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

Preview Lab → · Contrast checker → · Palette generator →