#0F3A5C#0F3A5C

#0F3A5C is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.076 H 246.8°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A5C
RGB	rgb(15, 58, 92)
HSL	hsl(206, 72%, 21%)
HSV	hsv(206, 84%, 36%)
CMYK	cmyk(83.7%, 37%, 0%, 63.9%)
CIE-LAB	lab(23.34, -1.01, -24.42)
CIE-LCH	lch(23.34, 24.44, 267.64°)
OKLab	oklab(33.81% -0.0298 -0.0694)
OKLCH	oklch(33.81% 0.076 246.8)
XYZ	xyz(3.6411, 3.8999, 10.6840)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A5C #5C310F

analogous

#0F5C57 #0F3A5C #0F135C

triadic

#0F3A5C #5C0F3A #3A5C0F

tetradic

#0F3A5C #570F5C #5C310F #135C0F

square

#0F3A5C #570F5C #5C310F #135C0F

split-complementary

#0F3A5C #5C0F13 #5C570F

monochromatic

#04111A #061927 #0F3A5C #185B91 #207CC5

Accessibility & contrast

On white

11.80

#0F3A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0F3A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A5C

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A5C	#FFFFFF	#000000	##FFFFFF
##0F3A5C	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3B5D

Deuteranopia (green-blind)

#1F345B

Tritanopia (blue-blind)

#004246

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3a5c;
/* rgb */ color: rgb(15, 58, 92);
/* oklch */ color: oklch(33.8% 0.076 246.8);

Tailwind

colors: {
  custom: {
    50: '#5b6f8a',
    500: '#0f3a5c',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a5c;
$custom-light: #5b6f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a5c",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 92
  },
  "hsl": {
    "h": 206.494,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3381,
    "c": 0.07557,
    "h": 246.8
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary

#0F3A5C

secondary

#955E31

accent

#8939EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070C

muted

#797A7D

Preview Lab

Preview with #0F3A5C

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

Preview Lab → · Contrast checker → · Palette generator →