#0F4758#0F4758

#0F4758 is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.1% C 0.062 H 223.1°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#0F4758
RGB	rgb(15, 71, 88)
HSL	hsl(194, 71%, 20%)
HSV	hsv(194, 83%, 35%)
CMYK	cmyk(83%, 19.3%, 0%, 65.5%)
CIE-LAB	lab(27.61, -11.03, -15.15)
CIE-LCH	lch(27.61, 18.75, 233.94°)
OKLab	oklab(37.14% -0.0454 -0.0425)
OKLCH	oklch(37.14% 0.062 223.1)
XYZ	xyz(4.2110, 5.3121, 10.0340)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4758 #58200F

analogous

#0F5845 #0F4758 #0F2258

triadic

#0F4758 #580F47 #47580F

tetradic

#0F4758 #450F58 #58200F #22580F

square

#0F4758 #450F58 #58200F #22580F

split-complementary

#0F4758 #580F22 #58450F

monochromatic

#04151A #061D24 #0F4758 #18718C #219BC1

Accessibility & contrast

On white

10.18

#0F4758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#0F4758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4758

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4758	#FFFFFF	#000000	##FFFFFF
##0F4758	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4559

Deuteranopia (green-blind)

#343E58

Tritanopia (blue-blind)

#004C4D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #0f4758;
/* rgb */ color: rgb(15, 71, 88);
/* oklch */ color: oklch(37.1% 0.062 223.1);

Tailwind

colors: {
  custom: {
    50: '#5b7a87',
    500: '#0f4758',
    950: '#000000',
  },
}

SCSS

$custom: #0f4758;
$custom-light: #5b7a87;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4758",
  "rgb": {
    "r": 15,
    "g": 71,
    "b": 88
  },
  "hsl": {
    "h": 193.973,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.37137,
    "c": 0.06215,
    "h": 223.1
  },
  "luminance": 0.05313
}

Semantic roles & 50–950 ramp

primary

#0F4758

secondary

#924831

accent

#643AEE

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4758

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

Preview Lab → · Contrast checker → · Palette generator →