#31339A#31339A

#31339A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.163 H 274.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#31339A
RGB	rgb(49, 51, 154)
HSL	hsl(239, 52%, 40%)
HSV	hsv(239, 68%, 60%)
CMYK	cmyk(68.2%, 66.9%, 0%, 39.6%)
CIE-LAB	lab(27.72, 33.22, -56.43)
CIE-LCH	lch(27.72, 65.48, 300.49°)
OKLab	oklab(39.06% 0.0141 -0.1629)
OKLCH	oklch(39.06% 0.163 274.9)
XYZ	xyz(8.2813, 5.3530, 31.1624)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31339A #9A9831

analogous

#31689A #31339A #63319A

triadic

#31339A #9A3133 #339A31

tetradic

#31339A #9A3168 #9A9831 #319A63

square

#31339A #9A3168 #9A9831 #319A63

split-complementary

#31339A #9A6331 #689A31

monochromatic

#13143D #22246C #31339A #4547C4 #7375D2

Accessibility & contrast

On white

10.14

#31339A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#31339A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31339A

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31339A	#FFFFFF	#000000	##FFFFFF
##31339A	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469D

Deuteranopia (green-blind)

#003D98

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #31339a;
/* rgb */ color: rgb(49, 51, 154);
/* oklch */ color: oklch(39.1% 0.163 274.9);

Tailwind

colors: {
  custom: {
    50: '#776bb9',
    500: '#31339a',
    950: '#000000',
  },
}

SCSS

$custom: #31339a;
$custom-light: #776bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#31339a",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 154
  },
  "hsl": {
    "h": 238.857,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39056,
    "c": 0.16348,
    "h": 274.9
  },
  "luminance": 0.05354
}

Semantic roles & 50–950 ramp

primary

#31339A

secondary

#BAB96C

accent

#D84DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #31339A

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

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