#31418D#31418D

#31418D is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.127 H 270.8°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#31418D
RGB	rgb(49, 65, 141)
HSL	hsl(230, 48%, 37%)
HSV	hsv(230, 65%, 55%)
CMYK	cmyk(65.2%, 53.9%, 0%, 44.7%)
CIE-LAB	lab(30.29, 19.24, -44.27)
CIE-LCH	lch(30.29, 48.27, 293.50°)
OKLab	oklab(40.64% 0.0018 -0.127)
OKLCH	oklch(40.64% 0.127 270.8)
XYZ	xyz(7.9630, 6.3560, 26.0013)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31418D #8D7D31

analogous

#316F8D #31418D #4F318D

triadic

#31418D #8D3141 #418D31

tetradic

#31418D #8D316F #8D7D31 #318D4F

square

#31418D #8D316F #8D7D31 #318D4F

split-complementary

#31418D #8D4F31 #6F8D31

monochromatic

#111732 #212C60 #31418D #4156BA #6C7DCC

Accessibility & contrast

On white

9.25

#31418D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#31418D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31418D

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31418D	#FFFFFF	#000000	##FFFFFF
##31418D	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114C90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #31418d;
/* rgb */ color: rgb(49, 65, 141);
/* oklch */ color: oklch(40.6% 0.127 270.8);

Tailwind

colors: {
  custom: {
    50: '#7375af',
    500: '#31418d',
    950: '#000000',
  },
}

SCSS

$custom: #31418d;
$custom-light: #7375af;
$custom-dark: #000000;

JSON

{
  "hex": "#31418d",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 141
  },
  "hsl": {
    "h": 229.565,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40635,
    "c": 0.12702,
    "h": 270.8
  },
  "luminance": 0.06357
}

Semantic roles & 50–950 ramp

primary

#31418D

secondary

#B4A666

accent

#C050D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31418D

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

Preview Lab → · Contrast checker → · Palette generator →