#0F3E51#0F3E51

#0F3E51 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.059 H 229.5°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#0F3E51
RGB	rgb(15, 62, 81)
HSL	hsl(197, 69%, 19%)
HSV	hsv(197, 81%, 32%)
CMYK	cmyk(81.5%, 23.5%, 0%, 68.2%)
CIE-LAB	lab(24.13, -8.16, -15.96)
CIE-LCH	lch(24.13, 17.93, 242.91°)
OKLab	oklab(34.24% -0.0383 -0.0448)
OKLCH	oklch(34.24% 0.059 229.5)
XYZ	xyz(3.4042, 4.1405, 8.4028)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3E51 #51220F

analogous

#0F5143 #0F3E51 #0F1D51

triadic

#0F3E51 #510F3E #3E510F

tetradic

#0F3E51 #430F51 #51220F #1D510F

square

#0F3E51 #430F51 #51220F #1D510F

split-complementary

#0F3E51 #510F1D #51430F

monochromatic

#05141A #05161D #0F3E51 #196685 #228DB8

Accessibility & contrast

On white

11.49

#0F3E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#0F3E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3E51

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3E51	#FFFFFF	#000000	##FFFFFF
##0F3E51	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343D52

Deuteranopia (green-blind)

#2B3751

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3e51;
/* rgb */ color: rgb(15, 62, 81);
/* oklch */ color: oklch(34.2% 0.059 229.5);

Tailwind

colors: {
  custom: {
    50: '#597382',
    500: '#0f3e51',
    950: '#000000',
  },
}

SCSS

$custom: #0f3e51;
$custom-light: #597382;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3e51",
  "rgb": {
    "r": 15,
    "g": 62,
    "b": 81
  },
  "hsl": {
    "h": 197.273,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.34245,
    "c": 0.05895,
    "h": 229.5
  },
  "luminance": 0.04141
}

Semantic roles & 50–950 ramp

primary

#0F3E51

secondary

#8B4B31

accent

#6F3CEC

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F3E51

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

Preview Lab → · Contrast checker → · Palette generator →