#0F3F5A#0F3F5A

#0F3F5A is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.068 H 238.4°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F5A
RGB	rgb(15, 63, 90)
HSL	hsl(202, 71%, 21%)
HSV	hsv(202, 83%, 35%)
CMYK	cmyk(83.3%, 30%, 0%, 64.7%)
CIE-LAB	lab(24.93, -5.18, -20.60)
CIE-LCH	lch(24.93, 21.25, 255.88°)
OKLab	oklab(35.04% -0.0358 -0.0582)
OKLCH	oklch(35.04% 0.068 238.4)
XYZ	xyz(3.8192, 4.3943, 10.3178)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F5A #5A2A0F

analogous

#0F5A4F #0F3F5A #0F195A

triadic

#0F3F5A #5A0F3F #3F5A0F

tetradic

#0F3F5A #4F0F5A #5A2A0F #195A0F

square

#0F3F5A #4F0F5A #5A2A0F #195A0F

split-complementary

#0F3F5A #5A0F19 #5A4F0F

monochromatic

#04121A #061A26 #0F3F5A #18648E #2088C3

Accessibility & contrast

On white

11.18

#0F3F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#0F3F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F5A

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F5A	#FFFFFF	#000000	##FFFFFF
##0F3F5A	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323F5B

Deuteranopia (green-blind)

#28385A

Tritanopia (blue-blind)

#004648

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0f3f5a;
/* rgb */ color: rgb(15, 63, 90);
/* oklch */ color: oklch(35.0% 0.068 238.4);

Tailwind

colors: {
  custom: {
    50: '#5b7388',
    500: '#0f3f5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f5a;
$custom-light: #5b7388;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f5a",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 90
  },
  "hsl": {
    "h": 201.6,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.35036,
    "c": 0.06836,
    "h": 238.4
  },
  "luminance": 0.04395
}

Semantic roles & 50–950 ramp

primary

#0F3F5A

secondary

#945531

accent

#7B3AEE

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F3F5A

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

Preview Lab → · Contrast checker → · Palette generator →