#131F54#131F54

#131F54 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.6% C 0.097 H 269.0°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#131F54
RGB	rgb(19, 31, 84)
HSL	hsl(229, 63%, 20%)
HSV	hsv(229, 77%, 33%)
CMYK	cmyk(77.4%, 63.1%, 0%, 67.1%)
CIE-LAB	lab(14.16, 15.81, -33.81)
CIE-LCH	lch(14.16, 37.32, 295.07°)
OKLab	oklab(26.61% -0.0017 -0.0975)
OKLCH	oklch(26.61% 0.097 269)
XYZ	xyz(2.3582, 1.7583, 8.6009)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F54 #544813

analogous

#133F54 #131F54 #271354

triadic

#131F54 #54131F #1F5413

tetradic

#131F54 #54133F #544813 #135427

square

#131F54 #54133F #544813 #135427

split-complementary

#131F54 #542713 #3F5413

monochromatic

#060919 #080D22 #131F54 #1E3186 #2A44B8

Accessibility & contrast

On white

15.53

#131F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#131F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F54

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F54	#FFFFFF	#000000	##FFFFFF
##131F54	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002756

Deuteranopia (green-blind)

#002153

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131f54;
/* rgb */ color: rgb(19, 31, 84);
/* oklch */ color: oklch(26.6% 0.097 269.0);

Tailwind

colors: {
  custom: {
    50: '#5b5a85',
    500: '#131f54',
    950: '#000000',
  },
}

SCSS

$custom: #131f54;
$custom-light: #5b5a85;
$custom-dark: #000000;

JSON

{
  "hex": "#131f54",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 84
  },
  "hsl": {
    "h": 228.923,
    "s": 63.107,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26607,
    "c": 0.09749,
    "h": 269
  },
  "luminance": 0.01759
}

Semantic roles & 50–950 ramp

primary

#131F54

secondary

#8C7D36

accent

#C842E6

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131F54

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

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