#31347A#31347A

#31347A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.4% C 0.117 H 277.1°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#31347A
RGB	rgb(49, 52, 122)
HSL	hsl(238, 43%, 34%)
HSV	hsv(238, 60%, 48%)
CMYK	cmyk(59.8%, 57.4%, 0%, 52.2%)
CIE-LAB	lab(25.30, 21.13, -40.48)
CIE-LCH	lch(25.30, 45.66, 297.56°)
OKLab	oklab(36.44% 0.0144 -0.116)
OKLCH	oklch(36.44% 0.117 277.1)
XYZ	xyz(6.0063, 4.5137, 18.9633)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31347A #7A7731

analogous

#31587A #31347A #52317A

triadic

#31347A #7A3134 #347A31

tetradic

#31347A #7A3158 #7A7731 #317A52

square

#31347A #7A3158 #7A7731 #317A52

split-complementary

#31347A #7A5231 #587A31

monochromatic

#0E0F23 #1F214E #31347A #4347A6 #6468C1

Accessibility & contrast

On white

11.04

#31347A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#31347A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31347A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31347A	#FFFFFF	#000000	##FFFFFF
##31347A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033F7C

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#044451

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31347a;
/* rgb */ color: rgb(49, 52, 122);
/* oklch */ color: oklch(36.4% 0.117 277.1);

Tailwind

colors: {
  custom: {
    50: '#706ba1',
    500: '#31347a',
    950: '#000000',
  },
}

SCSS

$custom: #31347a;
$custom-light: #706ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#31347a",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 237.534,
    "s": 42.69,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36443,
    "c": 0.1169,
    "h": 277.1
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#31347A

secondary

#A8A55E

accent

#CD55D2

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #31347A

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

Preview Lab → · Contrast checker → · Palette generator →