#312A67#312A67

#312A67 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.9% C 0.103 H 284.4°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#312A67
RGB	rgb(49, 42, 103)
HSL	hsl(247, 42%, 28%)
HSV	hsv(247, 59%, 40%)
CMYK	cmyk(52.4%, 59.2%, 0%, 59.6%)
CIE-LAB	lab(21.16, 21.26, -34.97)
CIE-LCH	lch(21.16, 40.93, 301.30°)
OKLab	oklab(32.91% 0.0257 -0.0999)
OKLCH	oklch(32.91% 0.103 284.4)
XYZ	xyz(4.5420, 3.2879, 13.2246)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312A67 #60672A

analogous

#2A4167 #312A67 #4F2A67

triadic

#312A67 #67312A #2A6731

tetradic

#312A67 #672A41 #60672A #2A674F

square

#312A67 #672A41 #60672A #2A674F

split-complementary

#312A67 #674F2A #41672A

monochromatic

#0A0916 #1C183C #312A67 #463C92 #5E53B9

Accessibility & contrast

On white

12.67

#312A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#312A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312A67

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312A67	#FFFFFF	#000000	##FFFFFF
##312A67	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043569

Deuteranopia (green-blind)

#013166

Tritanopia (blue-blind)

#1D3844

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #312a67;
/* rgb */ color: rgb(49, 42, 103);
/* oklch */ color: oklch(32.9% 0.103 284.4);

Tailwind

colors: {
  custom: {
    50: '#6e6393',
    500: '#312a67',
    950: '#000000',
  },
}

SCSS

$custom: #312a67;
$custom-light: #6e6393;
$custom-dark: #000000;

JSON

{
  "hex": "#312a67",
  "rgb": {
    "r": 49,
    "g": 42,
    "b": 103
  },
  "hsl": {
    "h": 246.885,
    "s": 42.069,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32906,
    "c": 0.10314,
    "h": 284.4
  },
  "luminance": 0.03288
}

Semantic roles & 50–950 ramp

primary

#312A67

secondary

#919954

accent

#D256C4

background

#F6F5F9

surface

#ECEAF1

border

#C7C6CB

text

#07050D

muted

#7A797E

Preview Lab

Preview with #312A67

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

Preview Lab → · Contrast checker → · Palette generator →