#312BD2#312BD2

#312BD2 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.7% C 0.240 H 272.0°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#312BD2
RGB	rgb(49, 43, 210)
HSL	hsl(242, 66%, 50%)
HSV	hsv(242, 80%, 82%)
CMYK	cmyk(76.7%, 79.5%, 0%, 17.6%)
CIE-LAB	lab(31.88, 56.16, -82.85)
CIE-LCH	lch(31.88, 100.09, 304.13°)
OKLab	oklab(43.73% 0.0083 -0.2398)
OKLCH	oklch(43.73% 0.24 272)
XYZ	xyz(13.7594, 7.0324, 61.5925)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312BD2 #CCD22B

analogous

#2B78D2 #312BD2 #852BD2

triadic

#312BD2 #D2312B #2BD231

tetradic

#312BD2 #D22B78 #CCD22B #2BD285

square

#312BD2 #D22B78 #CCD22B #2BD285

split-complementary

#312BD2 #D2852B #78D22B

monochromatic

#19166C #25219F #312BD2 #615CDE #928FE8

Accessibility & contrast

On white

8.73

#312BD2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#312BD2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312BD2

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312BD2	#FFFFFF	#000000	##FFFFFF
##312BD2	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053D7

Deuteranopia (green-blind)

#0043CF

Tritanopia (blue-blind)

#005F7F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #312bd2;
/* rgb */ color: rgb(49, 43, 210);
/* oklch */ color: oklch(43.7% 0.240 272.0);

Tailwind

colors: {
  custom: {
    50: '#8569e1',
    500: '#312bd2',
    950: '#000000',
  },
}

SCSS

$custom: #312bd2;
$custom-light: #8569e1;
$custom-dark: #000000;

JSON

{
  "hex": "#312bd2",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 210
  },
  "hsl": {
    "h": 242.156,
    "s": 66.008,
    "l": 49.608
  },
  "oklch": {
    "l": 0.43727,
    "c": 0.23993,
    "h": 272
  },
  "luminance": 0.07034
}

Semantic roles & 50–950 ramp

primary

#312BD2

secondary

#D0D386

accent

#E93FE3

background

#F9F6FE

surface

#F1EBFC

border

#CBC6D5

text

#0D0616

muted

#7E7A84

Preview Lab

Preview with #312BD2

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

Preview Lab → · Contrast checker → · Palette generator →