#0F3748#0F3748

#0F3748 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.8% C 0.053 H 230.1°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#0F3748
RGB	rgb(15, 55, 72)
HSL	hsl(198, 66%, 17%)
HSV	hsv(198, 79%, 28%)
CMYK	cmyk(79.2%, 23.6%, 0%, 71.8%)
CIE-LAB	lab(21.21, -7.23, -14.49)
CIE-LCH	lch(21.21, 16.20, 243.48°)
OKLab	oklab(31.77% -0.034 -0.0407)
OKLCH	oklch(31.77% 0.053 230.1)
XYZ	xyz(2.7324, 3.3015, 6.6229)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3748 #48200F

analogous

#0F483D #0F3748 #0F1B48

triadic

#0F3748 #480F37 #37480F

tetradic

#0F3748 #3D0F48 #48200F #1B480F

square

#0F3748 #3D0F48 #48200F #1B480F

split-complementary

#0F3748 #480F1B #483D0F

monochromatic

#051319 #051319 #0F3748 #1A5E7B #2484AD

Accessibility & contrast

On white

12.65

#0F3748 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#0F3748 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3748

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3748	#FFFFFF	#000000	##FFFFFF
##0F3748	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3649

Deuteranopia (green-blind)

#273048

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0f3748;
/* rgb */ color: rgb(15, 55, 72);
/* oklch */ color: oklch(31.8% 0.053 230.1);

Tailwind

colors: {
  custom: {
    50: '#566d7b',
    500: '#0f3748',
    950: '#000000',
  },
}

SCSS

$custom: #0f3748;
$custom-light: #566d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3748",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 197.895,
    "s": 65.517,
    "l": 17.059
  },
  "oklch": {
    "l": 0.31771,
    "c": 0.053,
    "h": 230.1
  },
  "luminance": 0.03302
}

Semantic roles & 50–950 ramp

primary

#0F3748

secondary

#824930

accent

#723FE8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0F3748

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

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