#0F3743#0F3743

#0F3743 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.048 H 221.5°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#0F3743
RGB	rgb(15, 55, 67)
HSL	hsl(194, 63%, 16%)
HSV	hsv(194, 78%, 26%)
CMYK	cmyk(77.6%, 17.9%, 0%, 73.7%)
CIE-LAB	lab(20.98, -9.19, -11.49)
CIE-LCH	lch(20.98, 14.72, 231.34°)
OKLab	oklab(31.5% -0.0362 -0.0321)
OKLCH	oklch(31.5% 0.048 221.5)
XYZ	xyz(2.5759, 3.2389, 5.7985)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3743 #431B0F

analogous

#0F4335 #0F3743 #0F1D43

triadic

#0F3743 #430F37 #37430F

tetradic

#0F3743 #350F43 #431B0F #1D430F

square

#0F3743 #350F43 #431B0F #1D430F

split-complementary

#0F3743 #430F1D #43350F

monochromatic

#061519 #061519 #0F3743 #1A6075 #2589A7

Accessibility & contrast

On white

12.74

#0F3743 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0F3743 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3743

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3743	#FFFFFF	#000000	##FFFFFF
##0F3743	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303544

Deuteranopia (green-blind)

#293043

Tritanopia (blue-blind)

#003B3B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0f3743;
/* rgb */ color: rgb(15, 55, 67);
/* oklch */ color: oklch(31.5% 0.048 221.5);

Tailwind

colors: {
  custom: {
    50: '#566d77',
    500: '#0f3743',
    950: '#000000',
  },
}

SCSS

$custom: #0f3743;
$custom-light: #566d77;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3743",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 193.846,
    "s": 63.415,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31503,
    "c": 0.04839,
    "h": 221.5
  },
  "luminance": 0.03239
}

Semantic roles & 50–950 ramp

primary

#0F3743

secondary

#7D4230

accent

#6741E6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0F3743

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

Preview Lab → · Contrast checker → · Palette generator →