#131C45#131C45

#131C45 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.078 H 270.4°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#131C45
RGB	rgb(19, 28, 69)
HSL	hsl(229, 57%, 17%)
HSV	hsv(229, 72%, 27%)
CMYK	cmyk(72.5%, 59.4%, 0%, 72.9%)
CIE-LAB	lab(11.95, 11.76, -27.09)
CIE-LCH	lch(11.95, 29.53, 293.46°)
OKLab	oklab(24.54% 0.0005 -0.0778)
OKLCH	oklch(24.54% 0.078 270.4)
XYZ	xyz(1.7576, 1.3985, 5.8064)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C45 #453C13

analogous

#133545 #131C45 #231345

triadic

#131C45 #45131C #1C4513

tetradic

#131C45 #451335 #453C13 #134523

square

#131C45 #451335 #453C13 #134523

split-complementary

#131C45 #452313 #354513

monochromatic

#070A18 #070A18 #131C45 #202F75 #2D43A5

Accessibility & contrast

On white

16.41

#131C45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131C45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C45

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C45	#FFFFFF	#000000	##FFFFFF
##131C45	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032246

Deuteranopia (green-blind)

#001D44

Tritanopia (blue-blind)

#00262D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131c45;
/* rgb */ color: rgb(19, 28, 69);
/* oklch */ color: oklch(24.5% 0.078 270.4);

Tailwind

colors: {
  custom: {
    50: '#575779',
    500: '#131c45',
    950: '#000000',
  },
}

SCSS

$custom: #131c45;
$custom-light: #575779;
$custom-dark: #000000;

JSON

{
  "hex": "#131c45",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 69
  },
  "hsl": {
    "h": 229.2,
    "s": 56.818,
    "l": 17.255
  },
  "oklch": {
    "l": 0.24536,
    "c": 0.07778,
    "h": 270.4
  },
  "luminance": 0.01399
}

Semantic roles & 50–950 ramp

primary

#131C45

secondary

#7E7136

accent

#C548E0

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #131C45

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

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