#0F405C#0F405C

#0F405C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.070 H 238.9°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#0F405C
RGB	rgb(15, 64, 92)
HSL	hsl(202, 72%, 21%)
HSV	hsv(202, 84%, 36%)
CMYK	cmyk(83.7%, 30.4%, 0%, 63.9%)
CIE-LAB	lab(25.38, -5.02, -21.20)
CIE-LCH	lch(25.38, 21.79, 256.68°)
OKLab	oklab(35.43% -0.0361 -0.06)
OKLCH	oklch(35.43% 0.07 238.9)
XYZ	xyz(3.9614, 4.5406, 10.7908)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F405C #5C2B0F

analogous

#0F5C51 #0F405C #0F195C

triadic

#0F405C #5C0F40 #405C0F

tetradic

#0F405C #510F5C #5C2B0F #195C0F

square

#0F405C #510F5C #5C2B0F #195C0F

split-complementary

#0F405C #5C0F19 #5C510F

monochromatic

#04121A #061B27 #0F405C #186591 #2089C5

Accessibility & contrast

On white

11.01

#0F405C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#0F405C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F405C

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F405C	#FFFFFF	#000000	##FFFFFF
##0F405C	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33405D

Deuteranopia (green-blind)

#28395C

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0f405c;
/* rgb */ color: rgb(15, 64, 92);
/* oklch */ color: oklch(35.4% 0.070 238.9);

Tailwind

colors: {
  custom: {
    50: '#5b748a',
    500: '#0f405c',
    950: '#000000',
  },
}

SCSS

$custom: #0f405c;
$custom-light: #5b748a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f405c",
  "rgb": {
    "r": 15,
    "g": 64,
    "b": 92
  },
  "hsl": {
    "h": 201.818,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.35428,
    "c": 0.07,
    "h": 238.9
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#0F405C

secondary

#955631

accent

#7B39EF

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F405C

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

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