#313FC2#313FC2

#313FC2 is a dark, highly saturated blue. Relative luminance 0.081; OKLCH L 44.9% C 0.202 H 270.7°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#313FC2
RGB	rgb(49, 63, 194)
HSL	hsl(234, 60%, 48%)
HSV	hsv(234, 75%, 76%)
CMYK	cmyk(74.7%, 67.5%, 0%, 23.9%)
CIE-LAB	lab(34.19, 39.79, -69.71)
CIE-LCH	lch(34.19, 80.27, 299.72°)
OKLab	oklab(44.89% 0.0024 -0.2017)
OKLCH	oklch(44.89% 0.202 270.7)
XYZ	xyz(12.7784, 8.1017, 51.9188)
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

#313FC2 #C2B431

analogous

#3187C2 #313FC2 #6C31C2

triadic

#313FC2 #C2313F #3FC231

tetradic

#313FC2 #C23187 #C2B431 #31C26C

square

#313FC2 #C23187 #C2B431 #31C26C

split-complementary

#313FC2 #C26C31 #87C231

monochromatic

#181F60 #252F91 #313FC2 #5B67D6 #8C94E2

Accessibility & contrast

On white

8.01

#313FC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#313FC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313FC2

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313FC2	#FFFFFF	#000000	##FFFFFF
##313FC2	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)

#0057C6

Deuteranopia (green-blind)

#004AC0

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #313fc2;
/* rgb */ color: rgb(49, 63, 194);
/* oklch */ color: oklch(44.9% 0.202 270.7);

Tailwind

colors: {
  custom: {
    50: '#7f74d6',
    500: '#313fc2',
    950: '#000000',
  },
}

SCSS

$custom: #313fc2;
$custom-light: #7f74d6;
$custom-dark: #000000;

JSON

{
  "hex": "#313fc2",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 194
  },
  "hsl": {
    "h": 234.207,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44886,
    "c": 0.20169,
    "h": 270.7
  },
  "luminance": 0.08103
}

Semantic roles & 50–950 ramp

primary

#313FC2

secondary

#CCC583

accent

#D445E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #313FC2

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

Preview Lab → · Contrast checker → · Palette generator →