#0F3F5C#0F3F5C

#0F3F5C is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.071 H 240.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F5C
RGB	rgb(15, 63, 92)
HSL	hsl(203, 72%, 21%)
HSV	hsv(203, 84%, 36%)
CMYK	cmyk(83.7%, 31.5%, 0%, 63.9%)
CIE-LAB	lab(25.04, -4.36, -21.74)
CIE-LCH	lch(25.04, 22.17, 258.65°)
OKLab	oklab(35.16% -0.035 -0.0615)
OKLCH	oklch(35.16% 0.071 240.3)
XYZ	xyz(3.9055, 4.4288, 10.7721)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F5C #5C2C0F

analogous

#0F5C52 #0F3F5C #0F185C

triadic

#0F3F5C #5C0F3F #3F5C0F

tetradic

#0F3F5C #520F5C #5C2C0F #185C0F

square

#0F3F5C #520F5C #5C2C0F #185C0F

split-complementary

#0F3F5C #5C0F18 #5C520F

monochromatic

#04121A #061B27 #0F3F5C #186391 #2087C5

Accessibility & contrast

On white

11.14

#0F3F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#0F3F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F5C

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F5C	#FFFFFF	#000000	##FFFFFF
##0F3F5C	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313F5D

Deuteranopia (green-blind)

#27385B

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0f3f5c;
/* rgb */ color: rgb(15, 63, 92);
/* oklch */ color: oklch(35.2% 0.071 240.3);

Tailwind

colors: {
  custom: {
    50: '#5b738a',
    500: '#0f3f5c',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f5c;
$custom-light: #5b738a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f5c",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 92
  },
  "hsl": {
    "h": 202.597,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.35156,
    "c": 0.07082,
    "h": 240.3
  },
  "luminance": 0.04429
}

Semantic roles & 50–950 ramp

primary

#0F3F5C

secondary

#955731

accent

#7D39EF

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F3F5C

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

Preview Lab → · Contrast checker → · Palette generator →