#131F50#131F50

#131F50 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.091 H 268.9°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#131F50
RGB	rgb(19, 31, 80)
HSL	hsl(228, 62%, 19%)
HSV	hsv(228, 76%, 31%)
CMYK	cmyk(76.3%, 61.2%, 0%, 68.6%)
CIE-LAB	lab(13.81, 14.13, -31.66)
CIE-LCH	lch(13.81, 34.67, 294.04°)
OKLab	oklab(26.23% -0.0018 -0.0912)
OKLCH	oklch(26.23% 0.091 268.9)
XYZ	xyz(2.2060, 1.6974, 7.7992)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F50 #504413

analogous

#133E50 #131F50 #261350

triadic

#131F50 #50131F #1F5013

tetradic

#131F50 #50133E #504413 #135026

square

#131F50 #50133E #504413 #135026

split-complementary

#131F50 #502613 #3E5013

monochromatic

#060A19 #070C1F #131F50 #1F3281 #2A45B3

Accessibility & contrast

On white

15.68

#131F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#131F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F50

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F50	#FFFFFF	#000000	##FFFFFF
##131F50	1.00	15.68	1.34	15.68
#FFFFFF	15.68	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002652

Deuteranopia (green-blind)

#00214F

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131f50;
/* rgb */ color: rgb(19, 31, 80);
/* oklch */ color: oklch(26.2% 0.091 268.9);

Tailwind

colors: {
  custom: {
    50: '#5a5a81',
    500: '#131f50',
    950: '#000000',
  },
}

SCSS

$custom: #131f50;
$custom-light: #5a5a81;
$custom-dark: #000000;

JSON

{
  "hex": "#131f50",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 80
  },
  "hsl": {
    "h": 228.197,
    "s": 61.616,
    "l": 19.412
  },
  "oklch": {
    "l": 0.26233,
    "c": 0.09119,
    "h": 268.9
  },
  "luminance": 0.01698
}

Semantic roles & 50–950 ramp

primary

#131F50

secondary

#897836

accent

#C543E5

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131F50

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

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