#0F4E5B#0F4E5B

#0F4E5B is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.2% C 0.063 H 215.3°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#0F4E5B
RGB	rgb(15, 78, 91)
HSL	hsl(190, 72%, 21%)
HSV	hsv(190, 84%, 36%)
CMYK	cmyk(83.5%, 14.3%, 0%, 64.3%)
CIE-LAB	lab(30.17, -14.08, -13.15)
CIE-LCH	lch(30.17, 19.26, 223.04°)
OKLab	oklab(39.24% -0.0518 -0.0367)
OKLCH	oklch(39.24% 0.063 215.3)
XYZ	xyz(4.8089, 6.3051, 10.8591)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4E5B #5B1C0F

analogous

#0F5B42 #0F4E5B #0F285B

triadic

#0F4E5B #5B0F4E #4E5B0F

tetradic

#0F4E5B #420F5B #5B1C0F #285B0F

square

#0F4E5B #420F5B #5B1C0F #285B0F

split-complementary

#0F4E5B #5B0F28 #5B420F

monochromatic

#04171A #062126 #0F4E5B #187B90 #20A8C4

Accessibility & contrast

On white

9.29

#0F4E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#0F4E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4E5B

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4E5B	#FFFFFF	#000000	##FFFFFF
##0F4E5B	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5C

Deuteranopia (green-blind)

#3B445B

Tritanopia (blue-blind)

#005352

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #0f4e5b;
/* rgb */ color: rgb(15, 78, 91);
/* oklch */ color: oklch(39.2% 0.063 215.3);

Tailwind

colors: {
  custom: {
    50: '#5c7f89',
    500: '#0f4e5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f4e5b;
$custom-light: #5c7f89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4e5b",
  "rgb": {
    "r": 15,
    "g": 78,
    "b": 91
  },
  "hsl": {
    "h": 190.263,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.39241,
    "c": 0.06349,
    "h": 215.3
  },
  "luminance": 0.06306
}

Semantic roles & 50–950 ramp

primary

#0F4E5B

secondary

#954231

accent

#5839EE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #0F4E5B

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

Preview Lab → · Contrast checker → · Palette generator →