#0F3B4D#0F3B4D

#0F3B4D is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.056 H 229.5°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B4D
RGB	rgb(15, 59, 77)
HSL	hsl(197, 67%, 18%)
HSV	hsv(197, 81%, 30%)
CMYK	cmyk(80.5%, 23.4%, 0%, 69.8%)
CIE-LAB	lab(22.88, -7.83, -15.25)
CIE-LCH	lch(22.88, 17.15, 242.83°)
OKLab	oklab(33.18% -0.0365 -0.0428)
OKLCH	oklch(33.18% 0.056 229.5)
XYZ	xyz(3.1000, 3.7649, 7.5831)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B4D #4D210F

analogous

#0F4D40 #0F3B4D #0F1C4D

triadic

#0F3B4D #4D0F3B #3B4D0F

tetradic

#0F3B4D #400F4D #4D210F #1C4D0F

square

#0F3B4D #400F4D #4D210F #1C4D0F

split-complementary

#0F3B4D #4D0F1C #4D400F

monochromatic

#05141A #05141A #0F3B4D #196280 #2389B3

Accessibility & contrast

On white

11.98

#0F3B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#0F3B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B4D

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B4D	#FFFFFF	#000000	##FFFFFF
##0F3B4D	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4E

Deuteranopia (green-blind)

#29344D

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0f3b4d;
/* rgb */ color: rgb(15, 59, 77);
/* oklch */ color: oklch(33.2% 0.056 229.5);

Tailwind

colors: {
  custom: {
    50: '#58707f',
    500: '#0f3b4d',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b4d;
$custom-light: #58707f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b4d",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 77
  },
  "hsl": {
    "h": 197.419,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.33181,
    "c": 0.05629,
    "h": 229.5
  },
  "luminance": 0.03765
}

Semantic roles & 50–950 ramp

primary

#0F3B4D

secondary

#874A31

accent

#703EEA

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3B4D

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

Preview Lab → · Contrast checker → · Palette generator →