#312E8F#312E8F

#312E8F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.2% C 0.155 H 277.1°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#312E8F
RGB	rgb(49, 46, 143)
HSL	hsl(242, 51%, 37%)
HSV	hsv(242, 68%, 56%)
CMYK	cmyk(65.7%, 67.8%, 0%, 43.9%)
CIE-LAB	lab(25.53, 32.54, -53.24)
CIE-LCH	lch(25.53, 62.40, 301.43°)
OKLab	oklab(37.16% 0.0192 -0.1536)
OKLCH	oklch(37.16% 0.155 277.1)
XYZ	xyz(7.1999, 4.5895, 26.4877)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E8F #8C8F2E

analogous

#2E5B8F #312E8F #622E8F

triadic

#312E8F #8F312E #2E8F31

tetradic

#312E8F #8F2E5B #8C8F2E #2E8F62

square

#312E8F #8F2E5B #8C8F2E #2E8F62

split-complementary

#312E8F #8F622E #5B8F2E

monochromatic

#111032 #211F61 #312E8F #413DBD #6C69CF

Accessibility & contrast

On white

10.95

#312E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#312E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E8F

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E8F	#FFFFFF	#000000	##FFFFFF
##312E8F	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00388D

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #312e8f;
/* rgb */ color: rgb(49, 46, 143);
/* oklch */ color: oklch(37.2% 0.155 277.1);

Tailwind

colors: {
  custom: {
    50: '#7567b1',
    500: '#312e8f',
    950: '#000000',
  },
}

SCSS

$custom: #312e8f;
$custom-light: #7567b1;
$custom-dark: #000000;

JSON

{
  "hex": "#312e8f",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 143
  },
  "hsl": {
    "h": 241.856,
    "s": 51.323,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3716,
    "c": 0.15475,
    "h": 277.1
  },
  "luminance": 0.0459
}

Semantic roles & 50–950 ramp

primary

#312E8F

secondary

#B3B663

accent

#DB4DD6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #312E8F

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

Preview Lab → · Contrast checker → · Palette generator →