#0F313B#0F313B

#0F313B is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.043 H 220.5°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#0F313B
RGB	rgb(15, 49, 59)
HSL	hsl(194, 59%, 15%)
HSV	hsv(194, 75%, 23%)
CMYK	cmyk(74.6%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(18.43, -8.43, -9.96)
CIE-LCH	lch(18.43, 13.05, 229.74°)
OKLab	oklab(29.34% -0.0324 -0.0277)
OKLCH	oklch(29.34% 0.043 220.5)
XYZ	xyz(2.0844, 2.6137, 4.5315)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F313B #3B190F

analogous

#0F3B2F #0F313B #0F1B3B

triadic

#0F313B #3B0F31 #313B0F

tetradic

#0F313B #2F0F3B #3B190F #1B3B0F

square

#0F313B #2F0F3B #3B190F #1B3B0F

split-complementary

#0F313B #3B0F1B #3B2F0F

monochromatic

#061418 #061418 #0F313B #1B5A6C #28829D

Accessibility & contrast

On white

13.79

#0F313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0F313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F313B

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F313B	#FFFFFF	#000000	##FFFFFF
##0F313B	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B303C

Deuteranopia (green-blind)

#252B3B

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0f313b;
/* rgb */ color: rgb(15, 49, 59);
/* oklch */ color: oklch(29.3% 0.043 220.5);

Tailwind

colors: {
  custom: {
    50: '#546971',
    500: '#0f313b',
    950: '#000000',
  },
}

SCSS

$custom: #0f313b;
$custom-light: #546971;
$custom-dark: #000000;

JSON

{
  "hex": "#0f313b",
  "rgb": {
    "r": 15,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 193.636,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.29338,
    "c": 0.04267,
    "h": 220.5
  },
  "luminance": 0.02614
}

Semantic roles & 50–950 ramp

primary

#0F313B

secondary

#754030

accent

#6945E3

background

#F5F6F6

surface

#E8EBEC

border

#C4C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #0F313B

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

Preview Lab → · Contrast checker → · Palette generator →