#0F4458#0F4458

#0F4458 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.3% C 0.063 H 228.2°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#0F4458
RGB	rgb(15, 68, 88)
HSL	hsl(196, 71%, 20%)
HSV	hsv(196, 83%, 35%)
CMYK	cmyk(83%, 22.7%, 0%, 65.5%)
CIE-LAB	lab(26.56, -9.18, -16.77)
CIE-LCH	lch(26.56, 19.12, 241.29°)
OKLab	oklab(36.3% -0.0421 -0.0471)
OKLCH	oklch(36.3% 0.063 228.2)
XYZ	xyz(4.0249, 4.9399, 9.9720)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4458 #58230F

analogous

#0F5847 #0F4458 #0F2058

triadic

#0F4458 #580F44 #44580F

tetradic

#0F4458 #470F58 #58230F #20580F

square

#0F4458 #470F58 #58230F #20580F

split-complementary

#0F4458 #580F20 #58470F

monochromatic

#04141A #061C24 #0F4458 #186C8C #2195C1

Accessibility & contrast

On white

10.56

#0F4458 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#0F4458 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4458

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4458	#FFFFFF	#000000	##FFFFFF
##0F4458	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394359

Deuteranopia (green-blind)

#303C58

Tritanopia (blue-blind)

#004A4B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #0f4458;
/* rgb */ color: rgb(15, 68, 88);
/* oklch */ color: oklch(36.3% 0.063 228.2);

Tailwind

colors: {
  custom: {
    50: '#5b7887',
    500: '#0f4458',
    950: '#000000',
  },
}

SCSS

$custom: #0f4458;
$custom-light: #5b7887;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4458",
  "rgb": {
    "r": 15,
    "g": 68,
    "b": 88
  },
  "hsl": {
    "h": 196.438,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.36301,
    "c": 0.06315,
    "h": 228.2
  },
  "luminance": 0.0494
}

Semantic roles & 50–950 ramp

primary

#0F4458

secondary

#924C31

accent

#6B3AEE

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F4458

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

Preview Lab → · Contrast checker → · Palette generator →