#131C5C#131C5C

#131C5C is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.8% C 0.114 H 270.3°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#131C5C
RGB	rgb(19, 28, 92)
HSL	hsl(233, 66%, 22%)
HSV	hsv(233, 79%, 36%)
CMYK	cmyk(79.3%, 69.6%, 0%, 63.9%)
CIE-LAB	lab(14.07, 21.34, -39.35)
CIE-LCH	lch(14.07, 44.77, 298.47°)
OKLab	oklab(26.77% 0.0006 -0.1138)
OKLCH	oklch(26.77% 0.114 270.3)
XYZ	xyz(2.6149, 1.7414, 10.3214)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C5C #5C5313

analogous

#13415C #131C5C #2F135C

triadic

#131C5C #5C131C #1C5C13

tetradic

#131C5C #5C1341 #5C5313 #135C2F

square

#131C5C #5C1341 #5C5313 #135C2F

split-complementary

#131C5C #5C2F13 #415C13

monochromatic

#050819 #090D29 #131C5C #1D2B8F #283BC1

Accessibility & contrast

On white

15.57

#131C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#131C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C5C

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C5C	#FFFFFF	#000000	##FFFFFF
##131C5C	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275E

Deuteranopia (green-blind)

#00205B

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131c5c;
/* rgb */ color: rgb(19, 28, 92);
/* oklch */ color: oklch(26.8% 0.114 270.3);

Tailwind

colors: {
  custom: {
    50: '#5e588b',
    500: '#131c5c',
    950: '#000000',
  },
}

SCSS

$custom: #131c5c;
$custom-light: #5e588b;
$custom-dark: #000000;

JSON

{
  "hex": "#131c5c",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 92
  },
  "hsl": {
    "h": 232.603,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26771,
    "c": 0.11378,
    "h": 270.3
  },
  "luminance": 0.01742
}

Semantic roles & 50–950 ramp

primary

#131C5C

secondary

#948937

accent

#D43FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131C5C

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

Preview Lab → · Contrast checker → · Palette generator →