#131550#131550

#131550 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.105 H 273.8°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#131550
RGB	rgb(19, 21, 80)
HSL	hsl(238, 62%, 19%)
HSV	hsv(238, 76%, 31%)
CMYK	cmyk(76.3%, 73.7%, 0%, 68.6%)
CIE-LAB	lab(10.95, 21.52, -36.33)
CIE-LCH	lch(10.95, 42.23, 300.63°)
OKLab	oklab(24.12% 0.0069 -0.105)
OKLCH	oklch(24.12% 0.105 273.8)
XYZ	xyz(1.9842, 1.2538, 7.7253)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131550 #504E13

analogous

#133450 #131550 #301350

triadic

#131550 #501315 #155013

tetradic

#131550 #501334 #504E13 #135030

square

#131550 #501334 #504E13 #135030

split-complementary

#131550 #503013 #345013

monochromatic

#060619 #07081F #131550 #1F2281 #2A2FB3

Accessibility & contrast

On white

16.79

#131550 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#131550 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131550

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131550	#FFFFFF	#000000	##FFFFFF
##131550	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002052

Deuteranopia (green-blind)

#001B4F

Tritanopia (blue-blind)

#002530

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131550;
/* rgb */ color: rgb(19, 21, 80);
/* oklch */ color: oklch(24.1% 0.105 273.8);

Tailwind

colors: {
  custom: {
    50: '#5b5282',
    500: '#131550',
    950: '#000000',
  },
}

SCSS

$custom: #131550;
$custom-light: #5b5282;
$custom-dark: #000000;

JSON

{
  "hex": "#131550",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 80
  },
  "hsl": {
    "h": 238.033,
    "s": 61.616,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24119,
    "c": 0.10521,
    "h": 273.8
  },
  "luminance": 0.01254
}

Semantic roles & 50–950 ramp

primary

#131550

secondary

#898636

accent

#DF43E5

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #131550

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

Preview Lab → · Contrast checker → · Palette generator →