#313EE3#313EE3

#313EE3 is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 48.0% C 0.243 H 269.8°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#313EE3
RGB	rgb(49, 62, 227)
HSL	hsl(236, 76%, 54%)
HSV	hsv(236, 78%, 89%)
CMYK	cmyk(78.4%, 72.7%, 0%, 11%)
CIE-LAB	lab(37.19, 51.60, -83.84)
CIE-LCH	lch(37.19, 98.44, 301.61°)
OKLab	oklab(48.01% -0.001 -0.2428)
OKLCH	oklch(48.01% 0.243 269.8)
XYZ	xyz(16.8496, 9.6423, 73.6313)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313EE3 #E3D631

analogous

#3197E3 #313EE3 #7D31E3

triadic

#313EE3 #E3313E #3EE331

tetradic

#313EE3 #E33197 #E3D631 #31E37D

square

#313EE3 #E33197 #E3D631 #31E37D

split-complementary

#313EE3 #E37D31 #97E331

monochromatic

#121B87 #1A26BD #313EE3 #6770EA #9DA3F2

Accessibility & contrast

On white

7.17

#313EE3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#313EE3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313EE3

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313EE3	#FFFFFF	#000000	##FFFFFF
##313EE3	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E8

Deuteranopia (green-blind)

#004FE0

Tritanopia (blue-blind)

#006E8D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #313ee3;
/* rgb */ color: rgb(49, 62, 227);
/* oklch */ color: oklch(48.0% 0.243 269.8);

Tailwind

colors: {
  custom: {
    50: '#8775ed',
    500: '#313ee3',
    950: '#000000',
  },
}

SCSS

$custom: #313ee3;
$custom-light: #8775ed;
$custom-dark: #000000;

JSON

{
  "hex": "#313ee3",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 227
  },
  "hsl": {
    "h": 235.618,
    "s": 76.068,
    "l": 54.118
  },
  "oklch": {
    "l": 0.48008,
    "c": 0.24285,
    "h": 269.8
  },
  "luminance": 0.09644
}

Semantic roles & 50–950 ramp

primary

#313EE3

secondary

#DED892

accent

#E535F3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #313EE3

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

Preview Lab → · Contrast checker → · Palette generator →