#0F3F5D#0F3F5D

#0F3F5D is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.072 H 241.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F5D
RGB	rgb(15, 63, 93)
HSL	hsl(203, 72%, 21%)
HSV	hsv(203, 84%, 36%)
CMYK	cmyk(83.9%, 32.3%, 0%, 63.5%)
CIE-LAB	lab(25.10, -3.95, -22.30)
CIE-LCH	lch(25.10, 22.65, 259.95°)
OKLab	oklab(35.22% -0.0347 -0.0632)
OKLCH	oklch(35.22% 0.072 241.2)
XYZ	xyz(3.9495, 4.4464, 11.0039)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F5D #5D2D0F

analogous

#0F5D54 #0F3F5D #0F185D

triadic

#0F3F5D #5D0F3F #3F5D0F

tetradic

#0F3F5D #540F5D #5D2D0F #185D0F

square

#0F3F5D #540F5D #5D2D0F #185D0F

split-complementary

#0F3F5D #5D0F18 #5D540F

monochromatic

#04121A #061B28 #0F3F5D #176392 #2086C6

Accessibility & contrast

On white

11.11

#0F3F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#0F3F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F5D

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F5D	#FFFFFF	#000000	##FFFFFF
##0F3F5D	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31405E

Deuteranopia (green-blind)

#26385C

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0f3f5d;
/* rgb */ color: rgb(15, 63, 93);
/* oklch */ color: oklch(35.2% 0.072 241.2);

Tailwind

colors: {
  custom: {
    50: '#5b738b',
    500: '#0f3f5d',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f5d;
$custom-light: #5b738b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f5d",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 93
  },
  "hsl": {
    "h": 203.077,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.35217,
    "c": 0.07209,
    "h": 241.2
  },
  "luminance": 0.04447
}

Semantic roles & 50–950 ramp

primary

#0F3F5D

secondary

#965831

accent

#7F39EF

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080C

muted

#797B7D

Preview Lab

Preview with #0F3F5D

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

Preview Lab → · Contrast checker → · Palette generator →