#0F4B58#0F4B58

#0F4B58 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.062 H 216.1°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#0F4B58
RGB	rgb(15, 75, 88)
HSL	hsl(191, 71%, 20%)
HSV	hsv(191, 83%, 35%)
CMYK	cmyk(83%, 14.8%, 0%, 65.5%)
CIE-LAB	lab(29.00, -13.43, -13.01)
CIE-LCH	lch(29.00, 18.70, 224.10°)
OKLab	oklab(38.26% -0.0498 -0.0363)
OKLCH	oklch(38.26% 0.062 216.1)
XYZ	xyz(4.4738, 5.8377, 10.1216)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4B58 #581C0F

analogous

#0F5840 #0F4B58 #0F2658

triadic

#0F4B58 #580F4B #4B580F

tetradic

#0F4B58 #400F58 #581C0F #26580F

square

#0F4B58 #400F58 #581C0F #26580F

split-complementary

#0F4B58 #580F26 #58400F

monochromatic

#04161A #061E24 #0F4B58 #18788C #21A4C1

Accessibility & contrast

On white

9.69

#0F4B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#0F4B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4B58

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4B58	#FFFFFF	#000000	##FFFFFF
##0F4B58	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424859

Deuteranopia (green-blind)

#384158

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f4b58;
/* rgb */ color: rgb(15, 75, 88);
/* oklch */ color: oklch(38.3% 0.062 216.1);

Tailwind

colors: {
  custom: {
    50: '#5b7d87',
    500: '#0f4b58',
    950: '#000000',
  },
}

SCSS

$custom: #0f4b58;
$custom-light: #5b7d87;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4b58",
  "rgb": {
    "r": 15,
    "g": 75,
    "b": 88
  },
  "hsl": {
    "h": 190.685,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.38257,
    "c": 0.06169,
    "h": 216.1
  },
  "luminance": 0.05838
}

Semantic roles & 50–950 ramp

primary

#0F4B58

secondary

#924231

accent

#5A3AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4B58

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

Preview Lab → · Contrast checker → · Palette generator →