#131D75#131D75

#131D75 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.148 H 269.0°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#131D75
RGB	rgb(19, 29, 117)
HSL	hsl(234, 72%, 27%)
HSV	hsv(234, 84%, 46%)
CMYK	cmyk(83.8%, 75.2%, 0%, 54.1%)
CIE-LAB	lab(16.99, 30.50, -50.94)
CIE-LCH	lch(16.99, 59.38, 300.91°)
OKLab	oklab(29.7% -0.0026 -0.1476)
OKLCH	oklch(29.7% 0.148 269)
XYZ	xyz(3.9177, 2.3011, 17.0638)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D75 #756B13

analogous

#134E75 #131D75 #3A1375

triadic

#131D75 #75131D #1D7513

tetradic

#131D75 #75134E #756B13 #13753A

square

#131D75 #75134E #756B13 #13753A

split-complementary

#131D75 #753A13 #4E7513

monochromatic

#04071A #0A1040 #131D75 #1C2AAA #2739DC

Accessibility & contrast

On white

14.38

#131D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#131D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D75

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D75	#FFFFFF	#000000	##FFFFFF
##131D75	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F78

Deuteranopia (green-blind)

#002573

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #131d75;
/* rgb */ color: rgb(19, 29, 117);
/* oklch */ color: oklch(29.7% 0.148 269.0);

Tailwind

colors: {
  custom: {
    50: '#65599e',
    500: '#131d75',
    950: '#000000',
  },
}

SCSS

$custom: #131d75;
$custom-light: #65599e;
$custom-dark: #000000;

JSON

{
  "hex": "#131d75",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 117
  },
  "hsl": {
    "h": 233.878,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.297,
    "c": 0.14761,
    "h": 269
  },
  "luminance": 0.02302
}

Semantic roles & 50–950 ramp

primary

#131D75

secondary

#ABA038

accent

#DC39EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #131D75

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

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