#13313B#13313B

#13313B is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.5% C 0.040 H 222.6°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#13313B
RGB	rgb(19, 49, 59)
HSL	hsl(195, 51%, 15%)
HSV	hsv(195, 68%, 23%)
CMYK	cmyk(67.8%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(18.59, -7.54, -9.69)
CIE-LCH	lch(18.59, 12.28, 232.12°)
OKLab	oklab(29.51% -0.0294 -0.027)
OKLCH	oklch(29.51% 0.04 222.6)
XYZ	xyz(2.1560, 2.6506, 4.5348)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13313B #3B1D13

analogous

#133B31 #13313B #131D3B

triadic

#13313B #3B1331 #313B13

tetradic

#13313B #31133B #3B1D13 #1D3B13

square

#13313B #31133B #3B1D13 #1D3B13

split-complementary

#13313B #3B131D #3B3113

monochromatic

#071317 #071317 #13313B #225769 #317E98

Accessibility & contrast

On white

13.72

#13313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#13313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13313B

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13313B	#FFFFFF	#000000	##FFFFFF
##13313B	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	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: #13313b;
/* rgb */ color: rgb(19, 49, 59);
/* oklch */ color: oklch(29.5% 0.040 222.6);

Tailwind

colors: {
  custom: {
    50: '#556971',
    500: '#13313b',
    950: '#000000',
  },
}

SCSS

$custom: #13313b;
$custom-light: #556971;
$custom-dark: #000000;

JSON

{
  "hex": "#13313b",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 195,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.29512,
    "c": 0.03986,
    "h": 222.6
  },
  "luminance": 0.02651
}

Semantic roles & 50–950 ramp

primary

#13313B

secondary

#734636

accent

#704DDB

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #13313B

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

Preview Lab → · Contrast checker → · Palette generator →