#0F3D57#0F3D57

#0F3D57 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.066 H 238.4°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#0F3D57
RGB	rgb(15, 61, 87)
HSL	hsl(202, 71%, 20%)
HSV	hsv(202, 83%, 34%)
CMYK	cmyk(82.8%, 29.9%, 0%, 65.9%)
CIE-LAB	lab(24.09, -5.10, -19.97)
CIE-LCH	lch(24.09, 20.61, 255.69°)
OKLab	oklab(34.31% -0.0348 -0.0564)
OKLCH	oklch(34.31% 0.066 238.4)
XYZ	xyz(3.5854, 4.1267, 9.6226)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3D57 #57290F

analogous

#0F574D #0F3D57 #0F1957

triadic

#0F3D57 #570F3D #3D570F

tetradic

#0F3D57 #4D0F57 #57290F #19570F

square

#0F3D57 #4D0F57 #57290F #19570F

split-complementary

#0F3D57 #570F19 #574D0F

monochromatic

#05121A #061823 #0F3D57 #18628B #2186BF

Accessibility & contrast

On white

11.50

#0F3D57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#0F3D57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3D57

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3D57	#FFFFFF	#000000	##FFFFFF
##0F3D57	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313D58

Deuteranopia (green-blind)

#273657

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3d57;
/* rgb */ color: rgb(15, 61, 87);
/* oklch */ color: oklch(34.3% 0.066 238.4);

Tailwind

colors: {
  custom: {
    50: '#5a7286',
    500: '#0f3d57',
    950: '#000000',
  },
}

SCSS

$custom: #0f3d57;
$custom-light: #5a7286;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3d57",
  "rgb": {
    "r": 15,
    "g": 61,
    "b": 87
  },
  "hsl": {
    "h": 201.667,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.3431,
    "c": 0.06627,
    "h": 238.4
  },
  "luminance": 0.04127
}

Semantic roles & 50–950 ramp

primary

#0F3D57

secondary

#915431

accent

#7B3AED

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3D57

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

Preview Lab → · Contrast checker → · Palette generator →