#312B60#312B60

#312B60 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.6% C 0.091 H 285.3°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#312B60
RGB	rgb(49, 43, 96)
HSL	hsl(247, 38%, 27%)
HSV	hsv(247, 55%, 38%)
CMYK	cmyk(49%, 55.2%, 0%, 62.4%)
CIE-LAB	lab(20.92, 18.19, -30.78)
CIE-LCH	lch(20.92, 35.75, 300.59°)
OKLab	oklab(32.57% 0.024 -0.0875)
OKLCH	oklch(32.57% 0.091 285.3)
XYZ	xyz(4.2412, 3.2251, 11.4631)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312B60 #5A602B

analogous

#2B4060 #312B60 #4B2B60

triadic

#312B60 #60312B #2B6031

tetradic

#312B60 #602B40 #5A602B #2B604B

square

#312B60 #602B40 #5A602B #2B604B

split-complementary

#312B60 #604B2B #40602B

monochromatic

#0B0915 #1B1836 #312B60 #473E8A #5E53B2

Accessibility & contrast

On white

12.77

#312B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#312B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312B60

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312B60	#FFFFFF	#000000	##FFFFFF
##312B60	1.00	12.77	1.65	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123462

Deuteranopia (green-blind)

#11315F

Tritanopia (blue-blind)

#223641

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #312b60;
/* rgb */ color: rgb(49, 43, 96);
/* oklch */ color: oklch(32.6% 0.091 285.3);

Tailwind

colors: {
  custom: {
    50: '#6d648d',
    500: '#312b60',
    950: '#000000',
  },
}

SCSS

$custom: #312b60;
$custom-light: #6d648d;
$custom-dark: #000000;

JSON

{
  "hex": "#312b60",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 96
  },
  "hsl": {
    "h": 246.792,
    "s": 38.129,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32565,
    "c": 0.09078,
    "h": 285.3
  },
  "luminance": 0.03225
}

Semantic roles & 50–950 ramp

primary

#312B60

secondary

#8B9255

accent

#CE5AC1

background

#F6F6F8

surface

#ECEBF0

border

#C7C6CB

text

#07050C

muted

#7A7A7D

Preview Lab

Preview with #312B60

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

Preview Lab → · Contrast checker → · Palette generator →