#131D5C#131D5C

#131D5C is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.112 H 269.9°. Best body text is #FFFFFF at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#131D5C
RGB	rgb(19, 29, 92)
HSL	hsl(232, 66%, 22%)
HSV	hsv(232, 79%, 36%)
CMYK	cmyk(79.3%, 68.5%, 0%, 63.9%)
CIE-LAB	lab(14.34, 20.62, -38.90)
CIE-LCH	lch(14.34, 44.03, 297.93°)
OKLab	oklab(26.97% -0.0001 -0.1124)
OKLCH	oklch(26.97% 0.112 269.9)
XYZ	xyz(2.6390, 1.7896, 10.3295)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D5C #5C5213

analogous

#13425C #131D5C #2E135C

triadic

#131D5C #5C131D #1D5C13

tetradic

#131D5C #5C1342 #5C5213 #135C2E

square

#131D5C #5C1342 #5C5213 #135C2E

split-complementary

#131D5C #5C2E13 #425C13

monochromatic

#050819 #090D29 #131D5C #1D2D8F #283DC1

Accessibility & contrast

On white

15.46

#131D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D5C

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D5C	#FFFFFF	#000000	##FFFFFF
##131D5C	1.00	15.46	1.36	15.46
#FFFFFF	15.46	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285E

Deuteranopia (green-blind)

#00215B

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131d5c;
/* rgb */ color: rgb(19, 29, 92);
/* oklch */ color: oklch(27.0% 0.112 269.9);

Tailwind

colors: {
  custom: {
    50: '#5e588b',
    500: '#131d5c',
    950: '#000000',
  },
}

SCSS

$custom: #131d5c;
$custom-light: #5e588b;
$custom-dark: #000000;

JSON

{
  "hex": "#131d5c",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 92
  },
  "hsl": {
    "h": 231.781,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26973,
    "c": 0.11245,
    "h": 269.9
  },
  "luminance": 0.0179
}

Semantic roles & 50–950 ramp

primary

#131D5C

secondary

#948737

accent

#D13FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131D5C

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

Preview Lab → · Contrast checker → · Palette generator →