#131E5F#131E5F

#131E5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.116 H 269.5°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#131E5F
RGB	rgb(19, 30, 95)
HSL	hsl(231, 67%, 22%)
HSV	hsv(231, 80%, 37%)
CMYK	cmyk(80%, 68.4%, 0%, 62.7%)
CIE-LAB	lab(14.91, 21.13, -39.97)
CIE-LCH	lch(14.91, 45.21, 297.86°)
OKLab	oklab(27.49% -0.001 -0.1155)
OKLCH	oklch(27.49% 0.116 269.5)
XYZ	xyz(2.7977, 1.8929, 11.0422)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E5F #5F5413

analogous

#13445F #131E5F #2E135F

triadic

#131E5F #5F131E #1E5F13

tetradic

#131E5F #5F1344 #5F5413 #135F2E

square

#131E5F #5F1344 #5F5413 #135F2E

split-complementary

#131E5F #5F2E13 #445F13

monochromatic

#05081A #090E2C #131E5F #1D2E92 #273EC5

Accessibility & contrast

On white

15.23

#131E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#131E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E5F

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E5F	#FFFFFF	#000000	##FFFFFF
##131E5F	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002961

Deuteranopia (green-blind)

#00225E

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131e5f;
/* rgb */ color: rgb(19, 30, 95);
/* oklch */ color: oklch(27.5% 0.116 269.5);

Tailwind

colors: {
  custom: {
    50: '#5e598d',
    500: '#131e5f',
    950: '#000000',
  },
}

SCSS

$custom: #131e5f;
$custom-light: #5e598d;
$custom-dark: #000000;

JSON

{
  "hex": "#131e5f",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 95
  },
  "hsl": {
    "h": 231.316,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.27486,
    "c": 0.11555,
    "h": 269.5
  },
  "luminance": 0.01893
}

Semantic roles & 50–950 ramp

primary

#131E5F

secondary

#978937

accent

#D13EEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131E5F

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

Preview Lab → · Contrast checker → · Palette generator →