#0F3D5C#0F3D5C

#0F3D5C is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.073 H 243.0°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#0F3D5C
RGB	rgb(15, 61, 92)
HSL	hsl(204, 72%, 21%)
HSV	hsv(204, 84%, 36%)
CMYK	cmyk(83.7%, 33.7%, 0%, 63.9%)
CIE-LAB	lab(24.36, -3.04, -22.81)
CIE-LCH	lch(24.36, 23.01, 262.42°)
OKLab	oklab(34.62% -0.0329 -0.0647)
OKLCH	oklch(34.62% 0.073 243)
XYZ	xyz(3.7968, 4.2113, 10.7359)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3D5C #5C2E0F

analogous

#0F5C54 #0F3D5C #0F165C

triadic

#0F3D5C #5C0F3D #3D5C0F

tetradic

#0F3D5C #540F5C #5C2E0F #165C0F

square

#0F3D5C #540F5C #5C2E0F #165C0F

split-complementary

#0F3D5C #5C0F16 #5C540F

monochromatic

#04111A #061A27 #0F3D5C #186091 #2083C5

Accessibility & contrast

On white

11.40

#0F3D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#0F3D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3D5C

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3D5C	#FFFFFF	#000000	##FFFFFF
##0F3D5C	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3E5D

Deuteranopia (green-blind)

#24375B

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3d5c;
/* rgb */ color: rgb(15, 61, 92);
/* oklch */ color: oklch(34.6% 0.073 243.0);

Tailwind

colors: {
  custom: {
    50: '#5b728a',
    500: '#0f3d5c',
    950: '#000000',
  },
}

SCSS

$custom: #0f3d5c;
$custom-light: #5b728a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3d5c",
  "rgb": {
    "r": 15,
    "g": 61,
    "b": 92
  },
  "hsl": {
    "h": 204.156,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34615,
    "c": 0.0726,
    "h": 243
  },
  "luminance": 0.04212
}

Semantic roles & 50–950 ramp

primary

#0F3D5C

secondary

#955A31

accent

#8239EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3D5C

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

Preview Lab → · Contrast checker → · Palette generator →