#31359F#31359F

#31359F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.168 H 274.1°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#31359F
RGB	rgb(49, 53, 159)
HSL	hsl(238, 53%, 41%)
HSV	hsv(238, 69%, 62%)
CMYK	cmyk(69.2%, 66.7%, 0%, 37.6%)
CIE-LAB	lab(28.65, 33.72, -57.95)
CIE-LCH	lch(28.65, 67.04, 300.19°)
OKLab	oklab(39.87% 0.0121 -0.1673)
OKLCH	oklch(39.87% 0.168 274.1)
XYZ	xyz(8.7957, 5.7016, 33.4311)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31359F #9F9B31

analogous

#316C9F #31359F #64319F

triadic

#31359F #9F3135 #359F31

tetradic

#31359F #9F316C #9F9B31 #319F64

square

#31359F #9F316C #9F9B31 #319F64

split-complementary

#31359F #9F6431 #6C9F31

monochromatic

#141641 #232570 #31359F #474CC6 #7679D5

Accessibility & contrast

On white

9.81

#31359F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#31359F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31359F

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31359F	#FFFFFF	#000000	##FFFFFF
##31359F	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #31359f;
/* rgb */ color: rgb(49, 53, 159);
/* oklch */ color: oklch(39.9% 0.168 274.1);

Tailwind

colors: {
  custom: {
    50: '#786cbc',
    500: '#31359f',
    950: '#000000',
  },
}

SCSS

$custom: #31359f;
$custom-light: #786cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#31359f",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 159
  },
  "hsl": {
    "h": 237.818,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39871,
    "c": 0.16776,
    "h": 274.1
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#31359F

secondary

#BDBA6F

accent

#D74CDC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31359F

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

Preview Lab → · Contrast checker → · Palette generator →