#0F3A55#0F3A55

#0F3A55 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.066 H 240.9°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A55
RGB	rgb(15, 58, 85)
HSL	hsl(203, 70%, 20%)
HSV	hsv(203, 82%, 33%)
CMYK	cmyk(82.4%, 31.8%, 0%, 66.7%)
CIE-LAB	lab(22.94, -3.93, -20.45)
CIE-LCH	lch(22.94, 20.82, 259.12°)
OKLab	oklab(33.37% -0.0322 -0.0579)
OKLCH	oklch(33.37% 0.066 240.9)
XYZ	xyz(3.3491, 3.7832, 9.1463)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A55 #552A0F

analogous

#0F554D #0F3A55 #0F1755

triadic

#0F3A55 #550F3A #3A550F

tetradic

#0F3A55 #4D0F55 #552A0F #17550F

square

#0F3A55 #4D0F55 #552A0F #17550F

split-complementary

#0F3A55 #550F17 #554D0F

monochromatic

#05121A #061721 #0F3A55 #185D89 #2181BD

Accessibility & contrast

On white

11.95

#0F3A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0F3A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A55

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A55	#FFFFFF	#000000	##FFFFFF
##0F3A55	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3A56

Deuteranopia (green-blind)

#243455

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0f3a55;
/* rgb */ color: rgb(15, 58, 85);
/* oklch */ color: oklch(33.4% 0.066 240.9);

Tailwind

colors: {
  custom: {
    50: '#597085',
    500: '#0f3a55',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a55;
$custom-light: #597085;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a55",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 203.143,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.33367,
    "c": 0.06623,
    "h": 240.9
  },
  "luminance": 0.03784
}

Semantic roles & 50–950 ramp

primary

#0F3A55

secondary

#8F5531

accent

#803BED

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3A55

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

Preview Lab → · Contrast checker → · Palette generator →