#312BBD#312BBD

#312BBD is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.4% C 0.216 H 273.4°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#312BBD
RGB	rgb(49, 43, 189)
HSL	hsl(242, 63%, 45%)
HSV	hsv(242, 77%, 74%)
CMYK	cmyk(74.1%, 77.2%, 0%, 25.9%)
CIE-LAB	lab(29.55, 49.62, -74.43)
CIE-LCH	lch(29.55, 89.45, 303.69°)
OKLab	oklab(41.42% 0.0128 -0.2153)
OKLCH	oklch(41.42% 0.216 273.4)
XYZ	xyz(11.3127, 6.0537, 48.7065)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312BBD #B7BD2B

analogous

#2B6EBD #312BBD #7A2BBD

triadic

#312BBD #BD312B #2BBD31

tetradic

#312BBD #BD2B6E #B7BD2B #2BBD7A

square

#312BBD #BD2B6E #B7BD2B #2BBD7A

split-complementary

#312BBD #BD7A2B #6EBD2B

monochromatic

#171459 #24208B #312BBD #544ED7 #8480E2

Accessibility & contrast

On white

9.50

#312BBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#312BBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312BBD

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312BBD	#FFFFFF	#000000	##FFFFFF
##312BBD	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CC1

Deuteranopia (green-blind)

#003FBA

Tritanopia (blue-blind)

#005773

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #312bbd;
/* rgb */ color: rgb(49, 43, 189);
/* oklch */ color: oklch(41.4% 0.216 273.4);

Tailwind

colors: {
  custom: {
    50: '#8067d2',
    500: '#312bbd',
    950: '#000000',
  },
}

SCSS

$custom: #312bbd;
$custom-light: #8067d2;
$custom-dark: #000000;

JSON

{
  "hex": "#312bbd",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 189
  },
  "hsl": {
    "h": 242.466,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41415,
    "c": 0.21573,
    "h": 273.4
  },
  "luminance": 0.06055
}

Semantic roles & 50–950 ramp

primary

#312BBD

secondary

#C8CB79

accent

#E642DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #312BBD

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

Preview Lab → · Contrast checker → · Palette generator →