#0F405A#0F405A

#0F405A is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.068 H 237.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#0F405A
RGB	rgb(15, 64, 90)
HSL	hsl(201, 71%, 21%)
HSV	hsv(201, 83%, 35%)
CMYK	cmyk(83.3%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(25.28, -5.84, -20.07)
CIE-LCH	lch(25.28, 20.90, 253.78°)
OKLab	oklab(35.31% -0.0369 -0.0567)
OKLCH	oklch(35.31% 0.068 237)
XYZ	xyz(3.8751, 4.5061, 10.3364)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F405A #5A290F

analogous

#0F5A4E #0F405A #0F1A5A

triadic

#0F405A #5A0F40 #405A0F

tetradic

#0F405A #4E0F5A #5A290F #1A5A0F

square

#0F405A #4E0F5A #5A290F #1A5A0F

split-complementary

#0F405A #5A0F1A #5A4E0F

monochromatic

#04131A #061B26 #0F405A #18658E #208BC3

Accessibility & contrast

On white

11.04

#0F405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#0F405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F405A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F405A	#FFFFFF	#000000	##FFFFFF
##0F405A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405B

Deuteranopia (green-blind)

#29395A

Tritanopia (blue-blind)

#004749

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0f405a;
/* rgb */ color: rgb(15, 64, 90);
/* oklch */ color: oklch(35.3% 0.068 237.0);

Tailwind

colors: {
  custom: {
    50: '#5b7488',
    500: '#0f405a',
    950: '#000000',
  },
}

SCSS

$custom: #0f405a;
$custom-light: #5b7488;
$custom-dark: #000000;

JSON

{
  "hex": "#0f405a",
  "rgb": {
    "r": 15,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 200.8,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.35309,
    "c": 0.06761,
    "h": 237
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#0F405A

secondary

#945331

accent

#783AEE

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F405A

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

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