#312CB4#312CB4

#312CB4 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.6% C 0.204 H 274.0°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#312CB4
RGB	rgb(49, 44, 180)
HSL	hsl(242, 61%, 44%)
HSV	hsv(242, 76%, 71%)
CMYK	cmyk(72.8%, 75.6%, 0%, 29.4%)
CIE-LAB	lab(28.77, 46.20, -70.38)
CIE-LCH	lch(28.77, 84.18, 303.28°)
OKLab	oklab(40.58% 0.0143 -0.2036)
OKLCH	oklch(40.58% 0.204 274)
XYZ	xyz(10.4028, 5.7486, 43.7325)
Luminance	0.0575 (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

#312CB4 #AFB42C

analogous

#2C6BB4 #312CB4 #752CB4

triadic

#312CB4 #B4312C #2CB431

tetradic

#312CB4 #B42C6B #AFB42C #2CB475

square

#312CB4 #B42C6B #AFB42C #2CB475

split-complementary

#312CB4 #B4752C #6BB42C

monochromatic

#161452 #242083 #312CB4 #4F4AD3 #7F7CDF

Accessibility & contrast

On white

9.77

#312CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#312CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CB4

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CB4	#FFFFFF	#000000	##FFFFFF
##312CB4	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB8

Deuteranopia (green-blind)

#003DB2

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #312cb4;
/* rgb */ color: rgb(49, 44, 180);
/* oklch */ color: oklch(40.6% 0.204 274.0);

Tailwind

colors: {
  custom: {
    50: '#7e67cc',
    500: '#312cb4',
    950: '#000000',
  },
}

SCSS

$custom: #312cb4;
$custom-light: #7e67cc;
$custom-dark: #000000;

JSON

{
  "hex": "#312cb4",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 180
  },
  "hsl": {
    "h": 242.206,
    "s": 60.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40581,
    "c": 0.20407,
    "h": 274
  },
  "luminance": 0.0575
}

Semantic roles & 50–950 ramp

primary

#312CB4

secondary

#C4C775

accent

#E444DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #312CB4

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

Preview Lab → · Contrast checker → · Palette generator →