#0F455A#0F455A

#0F455A is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.7% C 0.065 H 229.1°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#0F455A
RGB	rgb(15, 69, 90)
HSL	hsl(197, 71%, 21%)
HSV	hsv(197, 83%, 35%)
CMYK	cmyk(83.3%, 23.3%, 0%, 64.7%)
CIE-LAB	lab(27.01, -9.02, -17.38)
CIE-LCH	lch(27.01, 19.58, 242.56°)
OKLab	oklab(36.69% -0.0423 -0.0488)
OKLCH	oklch(36.69% 0.065 229.1)
XYZ	xyz(4.1698, 5.0955, 10.4346)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F455A #5A240F

analogous

#0F5A49 #0F455A #0F1F5A

triadic

#0F455A #5A0F45 #455A0F

tetradic

#0F455A #490F5A #5A240F #1F5A0F

square

#0F455A #490F5A #5A240F #1F5A0F

split-complementary

#0F455A #5A0F1F #5A490F

monochromatic

#04141A #061D26 #0F455A #186D8E #2095C3

Accessibility & contrast

On white

10.40

#0F455A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#0F455A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F455A

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F455A	#FFFFFF	#000000	##FFFFFF
##0F455A	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445B

Deuteranopia (green-blind)

#303D5A

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #0f455a;
/* rgb */ color: rgb(15, 69, 90);
/* oklch */ color: oklch(36.7% 0.065 229.1);

Tailwind

colors: {
  custom: {
    50: '#5b7888',
    500: '#0f455a',
    950: '#000000',
  },
}

SCSS

$custom: #0f455a;
$custom-light: #5b7888;
$custom-dark: #000000;

JSON

{
  "hex": "#0f455a",
  "rgb": {
    "r": 15,
    "g": 69,
    "b": 90
  },
  "hsl": {
    "h": 196.8,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.36686,
    "c": 0.06463,
    "h": 229.1
  },
  "luminance": 0.05096
}

Semantic roles & 50–950 ramp

primary

#0F455A

secondary

#944D31

accent

#6C3AEE

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F455A

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

Preview Lab → · Contrast checker → · Palette generator →