#313EC1#313EC1

#313EC1 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.6% C 0.202 H 270.9°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#313EC1
RGB	rgb(49, 62, 193)
HSL	hsl(235, 60%, 47%)
HSV	hsv(235, 75%, 76%)
CMYK	cmyk(74.6%, 67.9%, 0%, 24.3%)
CIE-LAB	lab(33.87, 40.06, -69.65)
CIE-LCH	lch(33.87, 80.35, 299.90°)
OKLab	oklab(44.63% 0.0031 -0.2015)
OKLCH	oklch(44.63% 0.202 270.9)
XYZ	xyz(12.6116, 7.9471, 51.3110)
Luminance	0.0795 (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

#313EC1 #C1B431

analogous

#3186C1 #313EC1 #6C31C1

triadic

#313EC1 #C1313E #3EC131

tetradic

#313EC1 #C13186 #C1B431 #31C16C

square

#313EC1 #C13186 #C1B431 #31C16C

split-complementary

#313EC1 #C16C31 #86C131

monochromatic

#181F5F #252E90 #313EC1 #5A65D5 #8B93E2

Accessibility & contrast

On white

8.11

#313EC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#313EC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313EC1

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313EC1	#FFFFFF	#000000	##FFFFFF
##313EC1	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C5

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #313ec1;
/* rgb */ color: rgb(49, 62, 193);
/* oklch */ color: oklch(44.6% 0.202 270.9);

Tailwind

colors: {
  custom: {
    50: '#7f74d5',
    500: '#313ec1',
    950: '#000000',
  },
}

SCSS

$custom: #313ec1;
$custom-light: #7f74d5;
$custom-dark: #000000;

JSON

{
  "hex": "#313ec1",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 193
  },
  "hsl": {
    "h": 234.583,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44625,
    "c": 0.20153,
    "h": 270.9
  },
  "luminance": 0.07948
}

Semantic roles & 50–950 ramp

primary

#313EC1

secondary

#CCC582

accent

#D445E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #313EC1

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

Preview Lab → · Contrast checker → · Palette generator →