#131C7F#131C7F

#131C7F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.162 H 268.7°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#131C7F
RGB	rgb(19, 28, 127)
HSL	hsl(235, 74%, 29%)
HSV	hsv(235, 85%, 50%)
CMYK	cmyk(85%, 78%, 0%, 50.2%)
CIE-LAB	lab(17.92, 34.85, -55.81)
CIE-LCH	lch(17.92, 65.79, 301.98°)
OKLab	oklab(30.7% -0.0037 -0.1617)
OKLCH	oklch(30.7% 0.162 268.7)
XYZ	xyz(4.5133, 2.5007, 20.3194)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C7F #7F7613

analogous

#13527F #131C7F #40137F

triadic

#131C7F #7F131C #1C7F13

tetradic

#131C7F #7F1352 #7F7613 #137F40

square

#131C7F #7F1352 #7F7613 #137F40

split-complementary

#131C7F #7F4013 #527F13

monochromatic

#04061B #0B104A #131C7F #1B28B4 #2D3CE0

Accessibility & contrast

On white

14.00

#131C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#131C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C7F

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C7F	#FFFFFF	#000000	##FFFFFF
##131C7F	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003182

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #131c7f;
/* rgb */ color: rgb(19, 28, 127);
/* oklch */ color: oklch(30.7% 0.162 268.7);

Tailwind

colors: {
  custom: {
    50: '#6859a5',
    500: '#131c7f',
    950: '#000000',
  },
}

SCSS

$custom: #131c7f;
$custom-light: #6859a5;
$custom-dark: #000000;

JSON

{
  "hex": "#131c7f",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 235,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30702,
    "c": 0.16175,
    "h": 268.7
  },
  "luminance": 0.02501
}

Semantic roles & 50–950 ramp

primary

#131C7F

secondary

#B4AA39

accent

#E137F1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #131C7F

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

Preview Lab → · Contrast checker → · Palette generator →