#0F404B#0F404B

#0F404B is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.5% C 0.054 H 216.1°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#0F404B
RGB	rgb(15, 64, 75)
HSL	hsl(191, 67%, 18%)
HSV	hsv(191, 80%, 29%)
CMYK	cmyk(80%, 14.7%, 0%, 70.6%)
CIE-LAB	lab(24.56, -11.73, -11.34)
CIE-LCH	lch(24.56, 16.31, 224.02°)
OKLab	oklab(34.5% -0.0433 -0.0316)
OKLCH	oklch(34.5% 0.054 216.1)
XYZ	xyz(3.2999, 4.2760, 7.3067)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F404B #4B1A0F

analogous

#0F4B38 #0F404B #0F224B

triadic

#0F404B #4B0F40 #404B0F

tetradic

#0F404B #380F4B #4B1A0F #224B0F

square

#0F404B #380F4B #4B1A0F #224B0F

split-complementary

#0F404B #4B0F22 #4B380F

monochromatic

#05161A #05161A #0F404B #196C7E #2397B1

Accessibility & contrast

On white

11.32

#0F404B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0F404B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F404B

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F404B	#FFFFFF	#000000	##FFFFFF
##0F404B	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393E4C

Deuteranopia (green-blind)

#30384B

Tritanopia (blue-blind)

#004443

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f404b;
/* rgb */ color: rgb(15, 64, 75);
/* oklch */ color: oklch(34.5% 0.054 216.1);

Tailwind

colors: {
  custom: {
    50: '#58757d',
    500: '#0f404b',
    950: '#000000',
  },
}

SCSS

$custom: #0f404b;
$custom-light: #58757d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f404b",
  "rgb": {
    "r": 15,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 191,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.34502,
    "c": 0.05361,
    "h": 216.1
  },
  "luminance": 0.04276
}

Semantic roles & 50–950 ramp

primary

#0F404B

secondary

#854030

accent

#5E3EEA

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0F404B

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

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