#0F3957#0F3957

#0F3957 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.070 H 244.2°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#0F3957
RGB	rgb(15, 57, 87)
HSL	hsl(205, 71%, 20%)
HSV	hsv(205, 83%, 34%)
CMYK	cmyk(82.8%, 34.5%, 0%, 65.9%)
CIE-LAB	lab(22.71, -2.42, -22.14)
CIE-LCH	lch(22.71, 22.27, 263.75°)
OKLab	oklab(33.22% -0.0304 -0.0628)
OKLCH	oklch(33.22% 0.07 244.2)
XYZ	xyz(3.3798, 3.7155, 9.5540)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3957 #572D0F

analogous

#0F5751 #0F3957 #0F1557

triadic

#0F3957 #570F39 #39570F

tetradic

#0F3957 #510F57 #572D0F #15570F

square

#0F3957 #510F57 #572D0F #15570F

split-complementary

#0F3957 #570F15 #57510F

monochromatic

#05111A #061723 #0F3957 #185B8B #217DBF

Accessibility & contrast

On white

12.05

#0F3957 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0F3957 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3957

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3957	#FFFFFF	#000000	##FFFFFF
##0F3957	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3A58

Deuteranopia (green-blind)

#213356

Tritanopia (blue-blind)

#004044

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0f3957;
/* rgb */ color: rgb(15, 57, 87);
/* oklch */ color: oklch(33.2% 0.070 244.2);

Tailwind

colors: {
  custom: {
    50: '#5a6f86',
    500: '#0f3957',
    950: '#000000',
  },
}

SCSS

$custom: #0f3957;
$custom-light: #5a6f86;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3957",
  "rgb": {
    "r": 15,
    "g": 57,
    "b": 87
  },
  "hsl": {
    "h": 205,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.33219,
    "c": 0.06977,
    "h": 244.2
  },
  "luminance": 0.03716
}

Semantic roles & 50–950 ramp

primary

#0F3957

secondary

#915931

accent

#853AED

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3957

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

Preview Lab → · Contrast checker → · Palette generator →