#0A313E#0A313E

#0A313E is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.048 H 224.6°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#0A313E
RGB	rgb(10, 49, 62)
HSL	hsl(195, 72%, 14%)
HSV	hsv(195, 84%, 24%)
CMYK	cmyk(83.9%, 21%, 0%, 75.7%)
CIE-LAB	lab(18.40, -8.15, -12.06)
CIE-LCH	lch(18.40, 14.56, 235.95°)
OKLab	oklab(29.32% -0.0342 -0.0338)
OKLCH	oklch(29.32% 0.048 224.6)
XYZ	xyz(2.0926, 2.6087, 4.9497)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A313E #3E170A

analogous

#0A3E31 #0A313E #0A173E

triadic

#0A313E #3E0A31 #313E0A

tetradic

#0A313E #310A3E #3E170A #173E0A

square

#0A313E #310A3E #3E170A #173E0A

split-complementary

#0A313E #3E0A17 #3E310A

monochromatic

#04151A #04151A #0A313E #135B73 #1B84A7

Accessibility & contrast

On white

13.80

#0A313E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0A313E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A313E

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A313E	#FFFFFF	#000000	##FFFFFF
##0A313E	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303F

Deuteranopia (green-blind)

#232B3E

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a313e;
/* rgb */ color: rgb(10, 49, 62);
/* oklch */ color: oklch(29.3% 0.048 224.6);

Tailwind

colors: {
  custom: {
    50: '#526973',
    500: '#0a313e',
    950: '#000000',
  },
}

SCSS

$custom: #0a313e;
$custom-light: #526973;
$custom-dark: #000000;

JSON

{
  "hex": "#0a313e",
  "rgb": {
    "r": 10,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 195,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2932,
    "c": 0.04808,
    "h": 224.6
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#0A313E

secondary

#7B3D28

accent

#6639EF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A313E

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

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