#31418E#31418E

#31418E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.128 H 270.8°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#31418E
RGB	rgb(49, 65, 142)
HSL	hsl(230, 49%, 37%)
HSV	hsv(230, 65%, 56%)
CMYK	cmyk(65.5%, 54.2%, 0%, 44.3%)
CIE-LAB	lab(30.37, 19.61, -44.76)
CIE-LCH	lch(30.37, 48.87, 293.66°)
OKLab	oklab(40.71% 0.0018 -0.1285)
OKLCH	oklch(40.71% 0.128 270.8)
XYZ	xyz(8.0378, 6.3859, 26.3950)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31418E #8E7E31

analogous

#31708E #31418E #4F318E

triadic

#31418E #8E3141 #418E31

tetradic

#31418E #8E3170 #8E7E31 #318E4F

square

#31418E #8E3170 #8E7E31 #318E4F

split-complementary

#31418E #8E4F31 #708E31

monochromatic

#121733 #212C61 #31418E #4156BB #6D7DCD

Accessibility & contrast

On white

9.22

#31418E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#31418E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31418E

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31418E	#FFFFFF	#000000	##FFFFFF
##31418E	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4C91

Deuteranopia (green-blind)

#00448C

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #31418e;
/* rgb */ color: rgb(49, 65, 142);
/* oklch */ color: oklch(40.7% 0.128 270.8);

Tailwind

colors: {
  custom: {
    50: '#7475b0',
    500: '#31418e',
    950: '#000000',
  },
}

SCSS

$custom: #31418e;
$custom-light: #7475b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31418e",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 142
  },
  "hsl": {
    "h": 229.677,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40712,
    "c": 0.12848,
    "h": 270.8
  },
  "luminance": 0.06387
}

Semantic roles & 50–950 ramp

primary

#31418E

secondary

#B4A767

accent

#C150D8

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31418E

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

Preview Lab → · Contrast checker → · Palette generator →