#0F435A#0F435A

#0F435A is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.1% C 0.066 H 232.3°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#0F435A
RGB	rgb(15, 67, 90)
HSL	hsl(198, 71%, 21%)
HSV	hsv(198, 83%, 35%)
CMYK	cmyk(83.3%, 25.6%, 0%, 64.7%)
CIE-LAB	lab(26.31, -7.76, -18.45)
CIE-LCH	lch(26.31, 20.02, 247.18°)
OKLab	oklab(36.13% -0.0401 -0.052)
OKLCH	oklch(36.13% 0.066 232.3)
XYZ	xyz(4.0489, 4.8536, 10.3943)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F435A #5A260F

analogous

#0F5A4B #0F435A #0F1D5A

triadic

#0F435A #5A0F43 #435A0F

tetradic

#0F435A #4B0F5A #5A260F #1D5A0F

square

#0F435A #4B0F5A #5A260F #1D5A0F

split-complementary

#0F435A #5A0F1D #5A4B0F

monochromatic

#04141A #061C26 #0F435A #186A8E #2091C3

Accessibility & contrast

On white

10.66

#0F435A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#0F435A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F435A

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F435A	#FFFFFF	#000000	##FFFFFF
##0F435A	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37425B

Deuteranopia (green-blind)

#2D3B5A

Tritanopia (blue-blind)

#00494B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #0f435a;
/* rgb */ color: rgb(15, 67, 90);
/* oklch */ color: oklch(36.1% 0.066 232.3);

Tailwind

colors: {
  custom: {
    50: '#5b7788',
    500: '#0f435a',
    950: '#000000',
  },
}

SCSS

$custom: #0f435a;
$custom-light: #5b7788;
$custom-dark: #000000;

JSON

{
  "hex": "#0f435a",
  "rgb": {
    "r": 15,
    "g": 67,
    "b": 90
  },
  "hsl": {
    "h": 198.4,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.36134,
    "c": 0.06565,
    "h": 232.3
  },
  "luminance": 0.04854
}

Semantic roles & 50–950 ramp

primary

#0F435A

secondary

#944F31

accent

#713AEE

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F435A

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

Preview Lab → · Contrast checker → · Palette generator →