#312AC4#312AC4

#312AC4 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.1% C 0.225 H 273.0°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#312AC4
RGB	rgb(49, 42, 196)
HSL	hsl(243, 65%, 47%)
HSV	hsv(243, 79%, 77%)
CMYK	cmyk(75%, 78.6%, 0%, 23.1%)
CIE-LAB	lab(30.14, 52.33, -77.57)
CIE-LCH	lch(30.14, 93.57, 304.01°)
OKLab	oklab(42.06% 0.0117 -0.2244)
OKLCH	oklch(42.06% 0.225 273)
XYZ	xyz(12.0551, 6.2932, 52.7932)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312AC4 #BDC42A

analogous

#2A70C4 #312AC4 #7E2AC4

triadic

#312AC4 #C4312A #2AC431

tetradic

#312AC4 #C42A70 #BDC42A #2AC47E

square

#312AC4 #C42A70 #BDC42A #2AC47E

split-complementary

#312AC4 #C47E2A #70C42A

monochromatic

#18145F #241F92 #312AC4 #5851DA #8884E5

Accessibility & contrast

On white

9.30

#312AC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#312AC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312AC4

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312AC4	#FFFFFF	#000000	##FFFFFF
##312AC4	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC8

Deuteranopia (green-blind)

#003FC1

Tritanopia (blue-blind)

#005977

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #312ac4;
/* rgb */ color: rgb(49, 42, 196);
/* oklch */ color: oklch(42.1% 0.225 273.0);

Tailwind

colors: {
  custom: {
    50: '#8267d7',
    500: '#312ac4',
    950: '#000000',
  },
}

SCSS

$custom: #312ac4;
$custom-light: #8267d7;
$custom-dark: #000000;

JSON

{
  "hex": "#312ac4",
  "rgb": {
    "r": 49,
    "g": 42,
    "b": 196
  },
  "hsl": {
    "h": 242.727,
    "s": 64.706,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42056,
    "c": 0.22475,
    "h": 273
  },
  "luminance": 0.06294
}

Semantic roles & 50–950 ramp

primary

#312AC4

secondary

#CACE7C

accent

#E840E0

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #312AC4

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

Preview Lab → · Contrast checker → · Palette generator →