#313CC9#313CC9

#313CC9 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.1% C 0.214 H 270.9°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#313CC9
RGB	rgb(49, 60, 201)
HSL	hsl(236, 61%, 49%)
HSV	hsv(236, 76%, 79%)
CMYK	cmyk(75.6%, 70.1%, 0%, 21.2%)
CIE-LAB	lab(34.19, 44.03, -73.80)
CIE-LCH	lch(34.19, 85.94, 300.82°)
OKLab	oklab(45.08% 0.0033 -0.2136)
OKLCH	oklch(45.08% 0.214 270.9)
XYZ	xyz(13.4215, 8.1003, 56.1032)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313CC9 #C9BE31

analogous

#3188C9 #313CC9 #7231C9

triadic

#313CC9 #C9313C #3CC931

tetradic

#313CC9 #C93188 #C9BE31 #31C972

square

#313CC9 #C93188 #C9BE31 #31C972

split-complementary

#313CC9 #C97231 #88C931

monochromatic

#191F67 #252D98 #313CC9 #5F68D8 #9096E4

Accessibility & contrast

On white

8.01

#313CC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#313CC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313CC9

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313CC9	#FFFFFF	#000000	##FFFFFF
##313CC9	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CD

Deuteranopia (green-blind)

#0049C6

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #313cc9;
/* rgb */ color: rgb(49, 60, 201);
/* oklch */ color: oklch(45.1% 0.214 270.9);

Tailwind

colors: {
  custom: {
    50: '#8172db',
    500: '#313cc9',
    950: '#000000',
  },
}

SCSS

$custom: #313cc9;
$custom-light: #8172db;
$custom-dark: #000000;

JSON

{
  "hex": "#313cc9",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 201
  },
  "hsl": {
    "h": 235.658,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45085,
    "c": 0.21366,
    "h": 270.9
  },
  "luminance": 0.08102
}

Semantic roles & 50–950 ramp

primary

#313CC9

secondary

#CFCA87

accent

#D844E4

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313CC9

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

Preview Lab → · Contrast checker → · Palette generator →