#31408F#31408F

#31408F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.131 H 271.3°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#31408F
RGB	rgb(49, 64, 143)
HSL	hsl(230, 49%, 38%)
HSV	hsv(230, 66%, 56%)
CMYK	cmyk(65.7%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(30.16, 20.66, -45.71)
CIE-LCH	lch(30.16, 50.16, 294.32°)
OKLab	oklab(40.58% 0.0029 -0.1313)
OKLCH	oklch(40.58% 0.131 271.3)
XYZ	xyz(8.0563, 6.3022, 26.7732)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31408F #8F8031

analogous

#316F8F #31408F #51318F

triadic

#31408F #8F3140 #408F31

tetradic

#31408F #8F316F #8F8031 #318F51

square

#31408F #8F316F #8F8031 #318F51

split-complementary

#31408F #8F5131 #6F8F31

monochromatic

#121734 #212C61 #31408F #4154BD #6D7DCD

Accessibility & contrast

On white

9.29

#31408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#31408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31408F

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31408F	#FFFFFF	#000000	##FFFFFF
##31408F	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084B92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #31408f;
/* rgb */ color: rgb(49, 64, 143);
/* oklch */ color: oklch(40.6% 0.131 271.3);

Tailwind

colors: {
  custom: {
    50: '#7474b0',
    500: '#31408f',
    950: '#000000',
  },
}

SCSS

$custom: #31408f;
$custom-light: #7474b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31408f",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 230.426,
    "s": 48.958,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40583,
    "c": 0.13129,
    "h": 271.3
  },
  "luminance": 0.06303
}

Semantic roles & 50–950 ramp

primary

#31408F

secondary

#B5A867

accent

#C34FD9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #31408F

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

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