#31418C#31418C

#31418C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.126 H 270.8°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#31418C
RGB	rgb(49, 65, 140)
HSL	hsl(229, 48%, 37%)
HSV	hsv(229, 65%, 55%)
CMYK	cmyk(65%, 53.6%, 0%, 45.1%)
CIE-LAB	lab(30.22, 18.88, -43.77)
CIE-LCH	lch(30.22, 47.66, 293.33°)
OKLab	oklab(40.56% 0.0017 -0.1255)
OKLCH	oklch(40.56% 0.126 270.8)
XYZ	xyz(7.8890, 6.3263, 25.6112)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31418C #8C7C31

analogous

#316E8C #31418C #4F318C

triadic

#31418C #8C3141 #418C31

tetradic

#31418C #8C316E #8C7C31 #318C4F

square

#31418C #8C316E #8C7C31 #318C4F

split-complementary

#31418C #8C4F31 #6E8C31

monochromatic

#111731 #212C5F #31418C #4156B9 #6C7DCC

Accessibility & contrast

On white

9.27

#31418C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#31418C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31418C

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31418C	#FFFFFF	#000000	##FFFFFF
##31418C	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134B8F

Deuteranopia (green-blind)

#00438A

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #31418c;
/* rgb */ color: rgb(49, 65, 140);
/* oklch */ color: oklch(40.6% 0.126 270.8);

Tailwind

colors: {
  custom: {
    50: '#7375ae',
    500: '#31418c',
    950: '#000000',
  },
}

SCSS

$custom: #31418c;
$custom-light: #7375ae;
$custom-dark: #000000;

JSON

{
  "hex": "#31418c",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 140
  },
  "hsl": {
    "h": 229.451,
    "s": 48.148,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40557,
    "c": 0.12555,
    "h": 270.8
  },
  "luminance": 0.06327
}

Semantic roles & 50–950 ramp

primary

#31418C

secondary

#B3A566

accent

#C050D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31418C

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

Preview Lab → · Contrast checker → · Palette generator →