#312CB2#312CB2

#312CB2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.4% C 0.202 H 274.2°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#312CB2
RGB	rgb(49, 44, 178)
HSL	hsl(242, 60%, 44%)
HSV	hsv(242, 75%, 70%)
CMYK	cmyk(72.5%, 75.3%, 0%, 30.2%)
CIE-LAB	lab(28.56, 45.55, -69.53)
CIE-LCH	lch(28.56, 83.12, 303.23°)
OKLab	oklab(40.37% 0.0147 -0.2011)
OKLCH	oklch(40.37% 0.202 274.2)
XYZ	xyz(10.2005, 5.6677, 42.6672)
Luminance	0.0567 (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

#312CB2 #ADB22C

analogous

#2C6AB2 #312CB2 #742CB2

triadic

#312CB2 #B2312C #2CB231

tetradic

#312CB2 #B22C6A #ADB22C #2CB274

square

#312CB2 #B22C6A #ADB22C #2CB274

split-complementary

#312CB2 #B2742C #6AB22C

monochromatic

#161450 #232081 #312CB2 #4E49D2 #7E7ADE

Accessibility & contrast

On white

9.84

#312CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#312CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CB2

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CB2	#FFFFFF	#000000	##FFFFFF
##312CB2	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003DB0

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #312cb2;
/* rgb */ color: rgb(49, 44, 178);
/* oklch */ color: oklch(40.4% 0.202 274.2);

Tailwind

colors: {
  custom: {
    50: '#7d67ca',
    500: '#312cb2',
    950: '#000000',
  },
}

SCSS

$custom: #312cb2;
$custom-light: #7d67ca;
$custom-dark: #000000;

JSON

{
  "hex": "#312cb2",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 178
  },
  "hsl": {
    "h": 242.239,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40369,
    "c": 0.20166,
    "h": 274.2
  },
  "luminance": 0.05669
}

Semantic roles & 50–950 ramp

primary

#312CB2

secondary

#C3C673

accent

#E444DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #312CB2

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

Preview Lab → · Contrast checker → · Palette generator →