#0F4B5F#0F4B5F

#0F4B5F is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.6% C 0.067 H 225.6°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#0F4B5F
RGB	rgb(15, 75, 95)
HSL	hsl(195, 73%, 22%)
HSV	hsv(195, 84%, 37%)
CMYK	cmyk(84.2%, 21.1%, 0%, 62.7%)
CIE-LAB	lab(29.31, -10.77, -17.03)
CIE-LCH	lch(29.31, 20.15, 237.68°)
OKLab	oklab(38.61% -0.0467 -0.0478)
OKLCH	oklch(38.61% 0.067 225.6)
XYZ	xyz(4.7778, 5.9593, 11.7227)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4B5F #5F230F

analogous

#0F5F4B #0F4B5F #0F235F

triadic

#0F4B5F #5F0F4B #4B5F0F

tetradic

#0F4B5F #4B0F5F #5F230F #235F0F

square

#0F4B5F #4B0F5F #5F230F #235F0F

split-complementary

#0F4B5F #5F0F23 #5F4B0F

monochromatic

#04151A #07212A #0F4B5F #177594 #209EC9

Accessibility & contrast

On white

9.58

#0F4B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#0F4B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4B5F

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4B5F	#FFFFFF	#000000	##FFFFFF
##0F4B5F	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404960

Deuteranopia (green-blind)

#35425F

Tritanopia (blue-blind)

#005152

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #0f4b5f;
/* rgb */ color: rgb(15, 75, 95);
/* oklch */ color: oklch(38.6% 0.067 225.6);

Tailwind

colors: {
  custom: {
    50: '#5d7d8c',
    500: '#0f4b5f',
    950: '#000000',
  },
}

SCSS

$custom: #0f4b5f;
$custom-light: #5d7d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4b5f",
  "rgb": {
    "r": 15,
    "g": 75,
    "b": 95
  },
  "hsl": {
    "h": 195,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.38609,
    "c": 0.06685,
    "h": 225.6
  },
  "luminance": 0.0596
}

Semantic roles & 50–950 ramp

primary

#0F4B5F

secondary

#984B32

accent

#6638EF

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #0F4B5F

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

Preview Lab → · Contrast checker → · Palette generator →