#131F70#131F70

#131F70 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.139 H 268.8°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#131F70
RGB	rgb(19, 31, 112)
HSL	hsl(232, 71%, 26%)
HSV	hsv(232, 83%, 44%)
CMYK	cmyk(83%, 72.3%, 0%, 56.1%)
CIE-LAB	lab(16.93, 27.24, -47.82)
CIE-LCH	lch(16.93, 55.03, 299.67°)
OKLab	oklab(29.49% -0.0029 -0.1385)
OKLCH	oklch(29.49% 0.139 268.8)
XYZ	xyz(3.6822, 2.2878, 15.5736)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F70 #706413

analogous

#134D70 #131F70 #351370

triadic

#131F70 #70131F #1F7013

tetradic

#131F70 #70134D #706413 #137035

square

#131F70 #70134D #706413 #137035

split-complementary

#131F70 #703513 #4D7013

monochromatic

#04071A #0A113C #131F70 #1C2DA4 #253CD9

Accessibility & contrast

On white

14.41

#131F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#131F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F70

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F70	#FFFFFF	#000000	##FFFFFF
##131F70	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E72

Deuteranopia (green-blind)

#00256F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #131f70;
/* rgb */ color: rgb(19, 31, 112);
/* oklch */ color: oklch(29.5% 0.139 268.8);

Tailwind

colors: {
  custom: {
    50: '#635b9a',
    500: '#131f70',
    950: '#000000',
  },
}

SCSS

$custom: #131f70;
$custom-light: #635b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#131f70",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 112
  },
  "hsl": {
    "h": 232.258,
    "s": 70.992,
    "l": 25.686
  },
  "oklch": {
    "l": 0.2949,
    "c": 0.13852,
    "h": 268.8
  },
  "luminance": 0.02288
}

Semantic roles & 50–950 ramp

primary

#131F70

secondary

#A79838

accent

#D73AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #131F70

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

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