#131D5E#131D5E

#131D5E is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.2% C 0.115 H 269.9°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#131D5E
RGB	rgb(19, 29, 94)
HSL	hsl(232, 66%, 22%)
HSV	hsv(232, 80%, 37%)
CMYK	cmyk(79.8%, 69.1%, 0%, 63.1%)
CIE-LAB	lab(14.54, 21.44, -39.91)
CIE-LCH	lch(14.54, 45.31, 298.24°)
OKLab	oklab(27.18% -0.0002 -0.1154)
OKLCH	oklch(27.18% 0.115 269.9)
XYZ	xyz(2.7276, 1.8250, 10.7960)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D5E #5E5413

analogous

#13435E #131D5E #2F135E

triadic

#131D5E #5E131D #1D5E13

tetradic

#131D5E #5E1343 #5E5413 #135E2F

square

#131D5E #5E1343 #5E5413 #135E2F

split-complementary

#131D5E #5E2F13 #435E13

monochromatic

#050819 #090D2B #131D5E #1D2D91 #283CC4

Accessibility & contrast

On white

15.38

#131D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#131D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D5E

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D5E	#FFFFFF	#000000	##FFFFFF
##131D5E	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002860

Deuteranopia (green-blind)

#00215D

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131d5e;
/* rgb */ color: rgb(19, 29, 94);
/* oklch */ color: oklch(27.2% 0.115 269.9);

Tailwind

colors: {
  custom: {
    50: '#5e598c',
    500: '#131d5e',
    950: '#000000',
  },
}

SCSS

$custom: #131d5e;
$custom-light: #5e598c;
$custom-dark: #000000;

JSON

{
  "hex": "#131d5e",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 94
  },
  "hsl": {
    "h": 232,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.2718,
    "c": 0.11541,
    "h": 269.9
  },
  "luminance": 0.01825
}

Semantic roles & 50–950 ramp

primary

#131D5E

secondary

#968937

accent

#D33FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131D5E

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

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