#313FC5#313FC5

#313FC5 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.2% C 0.205 H 270.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#313FC5
RGB	rgb(49, 63, 197)
HSL	hsl(234, 60%, 48%)
HSV	hsv(234, 75%, 77%)
CMYK	cmyk(75.1%, 68%, 0%, 22.7%)
CIE-LAB	lab(34.47, 40.84, -71.00)
CIE-LCH	lch(34.47, 81.91, 299.91°)
OKLab	oklab(45.17% 0.0022 -0.2055)
OKLCH	oklch(45.17% 0.205 270.6)
XYZ	xyz(13.1187, 8.2378, 53.7112)
Luminance	0.0824 (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

#313FC5 #C5B731

analogous

#3189C5 #313FC5 #6D31C5

triadic

#313FC5 #C5313F #3FC531

tetradic

#313FC5 #C53189 #C5B731 #31C56D

square

#313FC5 #C53189 #C5B731 #31C56D

split-complementary

#313FC5 #C56D31 #89C531

monochromatic

#192063 #252F94 #313FC5 #5D68D7 #8E96E3

Accessibility & contrast

On white

7.93

#313FC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#313FC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313FC5

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313FC5	#FFFFFF	#000000	##FFFFFF
##313FC5	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C9

Deuteranopia (green-blind)

#004AC3

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #313fc5;
/* rgb */ color: rgb(49, 63, 197);
/* oklch */ color: oklch(45.2% 0.205 270.6);

Tailwind

colors: {
  custom: {
    50: '#8074d8',
    500: '#313fc5',
    950: '#000000',
  },
}

SCSS

$custom: #313fc5;
$custom-light: #8074d8;
$custom-dark: #000000;

JSON

{
  "hex": "#313fc5",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 197
  },
  "hsl": {
    "h": 234.324,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45174,
    "c": 0.20548,
    "h": 270.6
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary

#313FC5

secondary

#CDC685

accent

#D444E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313FC5

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

Preview Lab → · Contrast checker → · Palette generator →