#0F3C5D#0F3C5D

#0F3C5D is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.075 H 245.1°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#0F3C5D
RGB	rgb(15, 60, 93)
HSL	hsl(205, 72%, 21%)
HSV	hsv(205, 84%, 36%)
CMYK	cmyk(83.9%, 35.5%, 0%, 63.5%)
CIE-LAB	lab(24.07, -1.95, -23.91)
CIE-LCH	lch(24.07, 23.99, 265.35°)
OKLab	oklab(34.41% -0.0315 -0.0679)
OKLCH	oklch(34.41% 0.075 245.1)
XYZ	xyz(3.7879, 4.1231, 10.9500)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3C5D #5D300F

analogous

#0F5D57 #0F3C5D #0F155D

triadic

#0F3C5D #5D0F3C #3C5D0F

tetradic

#0F3C5D #570F5D #5D300F #155D0F

square

#0F3C5D #570F5D #5D300F #155D0F

split-complementary

#0F3C5D #5D0F15 #5D570F

monochromatic

#04111A #061A28 #0F3C5D #175E92 #2080C6

Accessibility & contrast

On white

11.51

#0F3C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#0F3C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3C5D

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3C5D	#FFFFFF	#000000	##FFFFFF
##0F3C5D	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5E

Deuteranopia (green-blind)

#22365C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3c5d;
/* rgb */ color: rgb(15, 60, 93);
/* oklch */ color: oklch(34.4% 0.075 245.1);

Tailwind

colors: {
  custom: {
    50: '#5b718b',
    500: '#0f3c5d',
    950: '#000000',
  },
}

SCSS

$custom: #0f3c5d;
$custom-light: #5b718b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3c5d",
  "rgb": {
    "r": 15,
    "g": 60,
    "b": 93
  },
  "hsl": {
    "h": 205.385,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3441,
    "c": 0.07489,
    "h": 245.1
  },
  "luminance": 0.04124
}

Semantic roles & 50–950 ramp

primary

#0F3C5D

secondary

#965C31

accent

#8639EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070C

muted

#797A7D

Preview Lab

Preview with #0F3C5D

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

Preview Lab → · Contrast checker → · Palette generator →