#0F4A58#0F4A58

#0F4A58 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.0% C 0.062 H 217.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#0F4A58
RGB	rgb(15, 74, 88)
HSL	hsl(192, 71%, 20%)
HSV	hsv(192, 83%, 35%)
CMYK	cmyk(83%, 15.9%, 0%, 65.5%)
CIE-LAB	lab(28.65, -12.84, -13.55)
CIE-LCH	lch(28.65, 18.67, 226.54°)
OKLab	oklab(37.98% -0.0487 -0.0379)
OKLCH	oklch(37.98% 0.062 217.8)
XYZ	xyz(4.4065, 5.7032, 10.0992)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4A58 #581D0F

analogous

#0F5841 #0F4A58 #0F2558

triadic

#0F4A58 #580F4A #4A580F

tetradic

#0F4A58 #410F58 #581D0F #25580F

square

#0F4A58 #410F58 #581D0F #25580F

split-complementary

#0F4A58 #580F25 #58410F

monochromatic

#04161A #061E24 #0F4A58 #18768C #21A2C1

Accessibility & contrast

On white

9.81

#0F4A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#0F4A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4A58

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4A58	#FFFFFF	#000000	##FFFFFF
##0F4A58	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414859

Deuteranopia (green-blind)

#374058

Tritanopia (blue-blind)

#004F4E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f4a58;
/* rgb */ color: rgb(15, 74, 88);
/* oklch */ color: oklch(38.0% 0.062 217.8);

Tailwind

colors: {
  custom: {
    50: '#5b7c87',
    500: '#0f4a58',
    950: '#000000',
  },
}

SCSS

$custom: #0f4a58;
$custom-light: #5b7c87;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4a58",
  "rgb": {
    "r": 15,
    "g": 74,
    "b": 88
  },
  "hsl": {
    "h": 191.507,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.37976,
    "c": 0.06172,
    "h": 217.8
  },
  "luminance": 0.05704
}

Semantic roles & 50–950 ramp

primary

#0F4A58

secondary

#924431

accent

#5D3AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4A58

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

Preview Lab → · Contrast checker → · Palette generator →