#0A3041#0A3041

#0A3041 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.2% C 0.052 H 232.1°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#0A3041
RGB	rgb(10, 48, 65)
HSL	hsl(199, 73%, 15%)
HSV	hsv(199, 85%, 25%)
CMYK	cmyk(84.6%, 26.2%, 0%, 74.5%)
CIE-LAB	lab(18.19, -6.26, -14.45)
CIE-LCH	lch(18.19, 15.75, 246.58°)
OKLab	oklab(29.2% -0.0317 -0.0407)
OKLCH	oklch(29.2% 0.052 232.1)
XYZ	xyz(2.1359, 2.5598, 5.3815)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3041 #411B0A

analogous

#0A4136 #0A3041 #0A1541

triadic

#0A3041 #410A30 #30410A

tetradic

#0A3041 #360A41 #411B0A #15410A

square

#0A3041 #360A41 #411B0A #15410A

split-complementary

#0A3041 #410A15 #41360A

monochromatic

#04141B #04141B #0A3041 #125776 #1A7EAB

Accessibility & contrast

On white

13.89

#0A3041 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0A3041 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3041

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3041	#FFFFFF	#000000	##FFFFFF
##0A3041	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272F42

Deuteranopia (green-blind)

#202A41

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0a3041;
/* rgb */ color: rgb(10, 48, 65);
/* oklch */ color: oklch(29.2% 0.052 232.1);

Tailwind

colors: {
  custom: {
    50: '#536875',
    500: '#0a3041',
    950: '#000000',
  },
}

SCSS

$custom: #0a3041;
$custom-light: #536875;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3041",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 65
  },
  "hsl": {
    "h": 198.545,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.29197,
    "c": 0.05154,
    "h": 232.1
  },
  "luminance": 0.0256
}

Semantic roles & 50–950 ramp

primary

#0A3041

secondary

#7E4329

accent

#7138F0

background

#F5F6F7

surface

#E8EBED

border

#C4C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3041

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

Preview Lab → · Contrast checker → · Palette generator →