#312CAC#312CAC

#312CAC is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.7% C 0.194 H 274.7°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#312CAC
RGB	rgb(49, 44, 172)
HSL	hsl(242, 59%, 42%)
HSV	hsv(242, 74%, 67%)
CMYK	cmyk(71.5%, 74.4%, 0%, 32.5%)
CIE-LAB	lab(27.93, 43.58, -66.97)
CIE-LCH	lch(27.93, 79.90, 303.05°)
OKLab	oklab(39.74% 0.0159 -0.1937)
OKLCH	oklch(39.74% 0.194 274.7)
XYZ	xyz(9.6112, 5.4320, 39.5637)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312CAC #A7AC2C

analogous

#2C67AC #312CAC #712CAC

triadic

#312CAC #AC312C #2CAC31

tetradic

#312CAC #AC2C67 #A7AC2C #2CAC71

square

#312CAC #AC2C67 #A7AC2C #2CAC71

split-complementary

#312CAC #AC712C #67AC2C

monochromatic

#15134B #23207B #312CAC #4B46D0 #7A76DC

Accessibility & contrast

On white

10.06

#312CAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#312CAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CAC

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CAC	#FFFFFF	#000000	##FFFFFF
##312CAC	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B0

Deuteranopia (green-blind)

#003CAA

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #312cac;
/* rgb */ color: rgb(49, 44, 172);
/* oklch */ color: oklch(39.7% 0.194 274.7);

Tailwind

colors: {
  custom: {
    50: '#7c67c6',
    500: '#312cac',
    950: '#000000',
  },
}

SCSS

$custom: #312cac;
$custom-light: #7c67c6;
$custom-dark: #000000;

JSON

{
  "hex": "#312cac",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 172
  },
  "hsl": {
    "h": 242.344,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39739,
    "c": 0.19432,
    "h": 274.7
  },
  "luminance": 0.05433
}

Semantic roles & 50–950 ramp

primary

#312CAC

secondary

#C1C470

accent

#E245DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #312CAC

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

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