#131A5C#131A5C

#131A5C is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.116 H 271.0°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#131A5C
RGB	rgb(19, 26, 92)
HSL	hsl(234, 66%, 22%)
HSV	hsv(234, 79%, 36%)
CMYK	cmyk(79.3%, 71.7%, 0%, 63.9%)
CIE-LAB	lab(13.53, 22.77, -40.23)
CIE-LCH	lch(13.53, 46.23, 299.51°)
OKLab	oklab(26.38% 0.002 -0.1164)
OKLCH	oklch(26.38% 0.116 271)
XYZ	xyz(2.5691, 1.6497, 10.3062)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A5C #5C5513

analogous

#133F5C #131A5C #31135C

triadic

#131A5C #5C131A #1A5C13

tetradic

#131A5C #5C133F #5C5513 #135C31

square

#131A5C #5C133F #5C5513 #135C31

split-complementary

#131A5C #5C3113 #3F5C13

monochromatic

#050719 #090C29 #131A5C #1D288F #2837C1

Accessibility & contrast

On white

15.79

#131A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A5C

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A5C	#FFFFFF	#000000	##FFFFFF
##131A5C	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#001F5B

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131a5c;
/* rgb */ color: rgb(19, 26, 92);
/* oklch */ color: oklch(26.4% 0.116 271.0);

Tailwind

colors: {
  custom: {
    50: '#5e568b',
    500: '#131a5c',
    950: '#000000',
  },
}

SCSS

$custom: #131a5c;
$custom-light: #5e568b;
$custom-dark: #000000;

JSON

{
  "hex": "#131a5c",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 92
  },
  "hsl": {
    "h": 234.247,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26379,
    "c": 0.11639,
    "h": 271
  },
  "luminance": 0.0165
}

Semantic roles & 50–950 ramp

primary

#131A5C

secondary

#948B37

accent

#D83FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131A5C

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

Preview Lab → · Contrast checker → · Palette generator →