#312FC0#312FC0

#312FC0 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.3% C 0.216 H 272.8°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#312FC0
RGB	rgb(49, 47, 192)
HSL	hsl(241, 61%, 47%)
HSV	hsv(241, 76%, 75%)
CMYK	cmyk(74.5%, 75.5%, 0%, 24.7%)
CIE-LAB	lab(30.62, 48.45, -74.43)
CIE-LCH	lch(30.62, 88.81, 303.06°)
OKLab	oklab(42.26% 0.0106 -0.2154)
OKLCH	oklch(42.26% 0.216 272.8)
XYZ	xyz(11.7944, 6.4905, 50.4902)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FC0 #BEC02F

analogous

#2F75C0 #312FC0 #7A2FC0

triadic

#312FC0 #C0312F #2FC031

tetradic

#312FC0 #C02F75 #BEC02F #2FC07A

square

#312FC0 #C02F75 #BEC02F #2FC07A

split-complementary

#312FC0 #C07A2F #75C02F

monochromatic

#18175E #24238F #312FC0 #5856D6 #8988E2

Accessibility & contrast

On white

9.14

#312FC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#312FC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FC0

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FC0	#FFFFFF	#000000	##FFFFFF
##312FC0	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC4

Deuteranopia (green-blind)

#0041BD

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #312fc0;
/* rgb */ color: rgb(49, 47, 192);
/* oklch */ color: oklch(42.3% 0.216 272.8);

Tailwind

colors: {
  custom: {
    50: '#806ad4',
    500: '#312fc0',
    950: '#000000',
  },
}

SCSS

$custom: #312fc0;
$custom-light: #806ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#312fc0",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 192
  },
  "hsl": {
    "h": 240.828,
    "s": 60.669,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42264,
    "c": 0.21565,
    "h": 272.8
  },
  "luminance": 0.06492
}

Semantic roles & 50–950 ramp

primary

#312FC0

secondary

#CACB7F

accent

#E444E2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #312FC0

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

Preview Lab → · Contrast checker → · Palette generator →