#313EC5#313EC5

#313EC5 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.0% C 0.207 H 270.7°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#313EC5
RGB	rgb(49, 62, 197)
HSL	hsl(235, 60%, 48%)
HSV	hsv(235, 75%, 77%)
CMYK	cmyk(75.1%, 68.5%, 0%, 22.7%)
CIE-LAB	lab(34.25, 41.45, -71.37)
CIE-LCH	lch(34.25, 82.54, 300.15°)
OKLab	oklab(45.01% 0.0027 -0.2065)
OKLCH	oklch(45.01% 0.207 270.7)
XYZ	xyz(13.0639, 8.1280, 53.6929)
Luminance	0.0813 (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

#313EC5 #C5B831

analogous

#3188C5 #313EC5 #6E31C5

triadic

#313EC5 #C5313E #3EC531

tetradic

#313EC5 #C53188 #C5B831 #31C56E

square

#313EC5 #C53188 #C5B831 #31C56E

split-complementary

#313EC5 #C56E31 #88C531

monochromatic

#191F63 #252F94 #313EC5 #5D67D7 #8E95E3

Accessibility & contrast

On white

8.00

#313EC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#313EC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313EC5

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313EC5	#FFFFFF	#000000	##FFFFFF
##313EC5	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C9

Deuteranopia (green-blind)

#0049C3

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #313ec5;
/* rgb */ color: rgb(49, 62, 197);
/* oklch */ color: oklch(45.0% 0.207 270.7);

Tailwind

colors: {
  custom: {
    50: '#8074d8',
    500: '#313ec5',
    950: '#000000',
  },
}

SCSS

$custom: #313ec5;
$custom-light: #8074d8;
$custom-dark: #000000;

JSON

{
  "hex": "#313ec5",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 197
  },
  "hsl": {
    "h": 234.73,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45011,
    "c": 0.20657,
    "h": 270.7
  },
  "luminance": 0.08129
}

Semantic roles & 50–950 ramp

primary

#313EC5

secondary

#CDC785

accent

#D544E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313EC5

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

Preview Lab → · Contrast checker → · Palette generator →