#0A3141#0A3141

#0A3141 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.051 H 229.9°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#0A3141
RGB	rgb(10, 49, 65)
HSL	hsl(197, 73%, 15%)
HSV	hsv(197, 85%, 25%)
CMYK	cmyk(84.6%, 24.6%, 0%, 74.5%)
CIE-LAB	lab(18.55, -6.93, -13.89)
CIE-LCH	lch(18.55, 15.52, 243.48°)
OKLab	oklab(29.49% -0.0329 -0.039)
OKLCH	oklch(29.49% 0.051 229.9)
XYZ	xyz(2.1772, 2.6426, 5.3953)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3141 #411A0A

analogous

#0A4136 #0A3141 #0A1541

triadic

#0A3141 #410A31 #31410A

tetradic

#0A3141 #360A41 #411A0A #15410A

square

#0A3141 #360A41 #411A0A #15410A

split-complementary

#0A3141 #410A15 #41360A

monochromatic

#04141B #04141B #0A3141 #125976 #1A81AB

Accessibility & contrast

On white

13.74

#0A3141 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0A3141 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3141

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3141	#FFFFFF	#000000	##FFFFFF
##0A3141	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293042

Deuteranopia (green-blind)

#212B41

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a3141;
/* rgb */ color: rgb(10, 49, 65);
/* oklch */ color: oklch(29.5% 0.051 229.9);

Tailwind

colors: {
  custom: {
    50: '#536975',
    500: '#0a3141',
    950: '#000000',
  },
}

SCSS

$custom: #0a3141;
$custom-light: #536975;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3141",
  "rgb": {
    "r": 10,
    "g": 49,
    "b": 65
  },
  "hsl": {
    "h": 197.455,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.29488,
    "c": 0.05101,
    "h": 229.9
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#0A3141

secondary

#7E4129

accent

#6D38F0

background

#F5F6F7

surface

#E8EBED

border

#C4C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3141

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

Preview Lab → · Contrast checker → · Palette generator →