#0F3A51#0F3A51

#0F3A51 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.061 H 236.6°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A51
RGB	rgb(15, 58, 81)
HSL	hsl(201, 69%, 19%)
HSV	hsv(201, 81%, 32%)
CMYK	cmyk(81.5%, 28.4%, 0%, 68.2%)
CIE-LAB	lab(22.73, -5.57, -18.14)
CIE-LCH	lch(22.73, 18.98, 252.93°)
OKLab	oklab(33.13% -0.0337 -0.0512)
OKLCH	oklch(33.13% 0.061 236.6)
XYZ	xyz(3.1947, 3.7214, 8.3329)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A51 #51260F

analogous

#0F5147 #0F3A51 #0F1951

triadic

#0F3A51 #510F3A #3A510F

tetradic

#0F3A51 #470F51 #51260F #19510F

square

#0F3A51 #470F51 #51260F #19510F

split-complementary

#0F3A51 #510F19 #51470F

monochromatic

#05121A #05151D #0F3A51 #195F85 #2284B8

Accessibility & contrast

On white

12.04

#0F3A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0F3A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A51

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A51	#FFFFFF	#000000	##FFFFFF
##0F3A51	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A52

Deuteranopia (green-blind)

#263351

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0f3a51;
/* rgb */ color: rgb(15, 58, 81);
/* oklch */ color: oklch(33.1% 0.061 236.6);

Tailwind

colors: {
  custom: {
    50: '#587082',
    500: '#0f3a51',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a51;
$custom-light: #587082;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a51",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 200.909,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33128,
    "c": 0.06128,
    "h": 236.6
  },
  "luminance": 0.03722
}

Semantic roles & 50–950 ramp

primary

#0F3A51

secondary

#8B5031

accent

#793CEC

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3A51

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

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