#313FC4#313FC4

#313FC4 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.1% C 0.204 H 270.6°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#313FC4
RGB	rgb(49, 63, 196)
HSL	hsl(234, 60%, 48%)
HSV	hsv(234, 75%, 77%)
CMYK	cmyk(75%, 67.9%, 0%, 23.1%)
CIE-LAB	lab(34.38, 40.49, -70.57)
CIE-LCH	lch(34.38, 81.36, 299.84°)
OKLab	oklab(45.08% 0.0023 -0.2042)
OKLCH	oklch(45.08% 0.204 270.6)
XYZ	xyz(13.0045, 8.1921, 53.1097)
Luminance	0.0819 (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

#313FC4 #C4B631

analogous

#3188C4 #313FC4 #6D31C4

triadic

#313FC4 #C4313F #3FC431

tetradic

#313FC4 #C43188 #C4B631 #31C46D

square

#313FC4 #C43188 #C4B631 #31C46D

split-complementary

#313FC4 #C46D31 #88C431

monochromatic

#192062 #252F93 #313FC4 #5C68D6 #8D95E2

Accessibility & contrast

On white

7.96

#313FC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#313FC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313FC4

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313FC4	#FFFFFF	#000000	##FFFFFF
##313FC4	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C8

Deuteranopia (green-blind)

#004AC2

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #313fc4;
/* rgb */ color: rgb(49, 63, 196);
/* oklch */ color: oklch(45.1% 0.204 270.6);

Tailwind

colors: {
  custom: {
    50: '#8074d7',
    500: '#313fc4',
    950: '#000000',
  },
}

SCSS

$custom: #313fc4;
$custom-light: #8074d7;
$custom-dark: #000000;

JSON

{
  "hex": "#313fc4",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 196
  },
  "hsl": {
    "h": 234.286,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45078,
    "c": 0.20422,
    "h": 270.6
  },
  "luminance": 0.08194
}

Semantic roles & 50–950 ramp

primary

#313FC4

secondary

#CDC684

accent

#D445E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313FC4

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

Preview Lab → · Contrast checker → · Palette generator →