#312F7E#312F7E

#312F7E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.130 H 278.7°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#312F7E
RGB	rgb(49, 47, 126)
HSL	hsl(242, 46%, 34%)
HSV	hsv(242, 63%, 49%)
CMYK	cmyk(61.1%, 62.7%, 0%, 50.6%)
CIE-LAB	lab(24.30, 25.92, -44.64)
CIE-LCH	lch(24.30, 51.62, 300.15°)
OKLab	oklab(35.8% 0.0197 -0.1283)
OKLCH	oklch(35.8% 0.13 278.7)
XYZ	xyz(6.0478, 4.1919, 20.2250)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F7E #7C7E2F

analogous

#2F557E #312F7E #592F7E

triadic

#312F7E #7E312F #2F7E31

tetradic

#312F7E #7E2F55 #7C7E2F #2F7E59

square

#312F7E #7E2F55 #7C7E2F #2F7E59

split-complementary

#312F7E #7E592F #557E2F

monochromatic

#0E0E25 #201E51 #312F7E #4240AB #6563C5

Accessibility & contrast

On white

11.42

#312F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#312F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F7E

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F7E	#FFFFFF	#000000	##FFFFFF
##312F7E	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #312f7e;
/* rgb */ color: rgb(49, 47, 126);
/* oklch */ color: oklch(35.8% 0.130 278.7);

Tailwind

colors: {
  custom: {
    50: '#7267a4',
    500: '#312f7e',
    950: '#000000',
  },
}

SCSS

$custom: #312f7e;
$custom-light: #7267a4;
$custom-dark: #000000;

JSON

{
  "hex": "#312f7e",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 126
  },
  "hsl": {
    "h": 241.519,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35797,
    "c": 0.12979,
    "h": 278.7
  },
  "luminance": 0.04192
}

Semantic roles & 50–950 ramp

primary

#312F7E

secondary

#AAAC5D

accent

#D552D2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #312F7E

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

Preview Lab → · Contrast checker → · Palette generator →