#0F4057#0F4057

#0F4057 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.1% C 0.064 H 233.6°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#0F4057
RGB	rgb(15, 64, 87)
HSL	hsl(199, 71%, 20%)
HSV	hsv(199, 83%, 34%)
CMYK	cmyk(82.8%, 26.4%, 0%, 65.9%)
CIE-LAB	lab(25.13, -7.05, -18.35)
CIE-LCH	lch(25.13, 19.66, 248.99°)
OKLab	oklab(35.14% -0.038 -0.0517)
OKLCH	oklch(35.14% 0.064 233.6)
XYZ	xyz(3.7500, 4.4560, 9.6774)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4057 #57260F

analogous

#0F574A #0F4057 #0F1C57

triadic

#0F4057 #570F40 #40570F

tetradic

#0F4057 #4A0F57 #57260F #1C570F

square

#0F4057 #4A0F57 #57260F #1C570F

split-complementary

#0F4057 #570F1C #574A0F

monochromatic

#05131A #061A23 #0F4057 #18668B #218DBF

Accessibility & contrast

On white

11.10

#0F4057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#0F4057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4057

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4057	#FFFFFF	#000000	##FFFFFF
##0F4057	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353F58

Deuteranopia (green-blind)

#2B3957

Tritanopia (blue-blind)

#004648

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0f4057;
/* rgb */ color: rgb(15, 64, 87);
/* oklch */ color: oklch(35.1% 0.064 233.6);

Tailwind

colors: {
  custom: {
    50: '#5a7486',
    500: '#0f4057',
    950: '#000000',
  },
}

SCSS

$custom: #0f4057;
$custom-light: #5a7486;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4057",
  "rgb": {
    "r": 15,
    "g": 64,
    "b": 87
  },
  "hsl": {
    "h": 199.167,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.35137,
    "c": 0.06419,
    "h": 233.6
  },
  "luminance": 0.04456
}

Semantic roles & 50–950 ramp

primary

#0F4057

secondary

#915031

accent

#743AED

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F4057

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

Preview Lab → · Contrast checker → · Palette generator →