#31359C#31359C

#31359C is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.6% C 0.164 H 274.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#31359C
RGB	rgb(49, 53, 156)
HSL	hsl(238, 52%, 40%)
HSV	hsv(238, 69%, 61%)
CMYK	cmyk(68.6%, 66%, 0%, 38.8%)
CIE-LAB	lab(28.38, 32.65, -56.57)
CIE-LCH	lch(28.38, 65.32, 300.00°)
OKLab	oklab(39.59% 0.0124 -0.1633)
OKLCH	oklch(39.59% 0.164 274.3)
XYZ	xyz(8.5385, 5.5987, 32.0767)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31359C #9C9831

analogous

#316A9C #31359C #62319C

triadic

#31359C #9C3135 #359C31

tetradic

#31359C #9C316A #9C9831 #319C62

square

#31359C #9C316A #9C9831 #319C62

split-complementary

#31359C #9C6231 #6A9C31

monochromatic

#14153F #22256D #31359C #454AC5 #7478D3

Accessibility & contrast

On white

9.91

#31359C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#31359C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31359C

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31359C	#FFFFFF	#000000	##FFFFFF
##31359C	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #31359c;
/* rgb */ color: rgb(49, 53, 156);
/* oklch */ color: oklch(39.6% 0.164 274.3);

Tailwind

colors: {
  custom: {
    50: '#776cba',
    500: '#31359c',
    950: '#000000',
  },
}

SCSS

$custom: #31359c;
$custom-light: #776cba;
$custom-dark: #000000;

JSON

{
  "hex": "#31359c",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 156
  },
  "hsl": {
    "h": 237.757,
    "s": 52.195,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39591,
    "c": 0.16374,
    "h": 274.3
  },
  "luminance": 0.05599
}

Semantic roles & 50–950 ramp

primary

#31359C

secondary

#BBB86D

accent

#D64CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31359C

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

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