#2F317F#2F317F

#2F317F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.129 H 276.7°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#2F317F
RGB	rgb(47, 49, 127)
HSL	hsl(239, 46%, 34%)
HSV	hsv(239, 63%, 50%)
CMYK	cmyk(63%, 61.4%, 0%, 50.2%)
CIE-LAB	lab(24.74, 24.57, -44.55)
CIE-LCH	lch(24.74, 50.88, 298.88°)
OKLab	oklab(36.11% 0.015 -0.1281)
OKLCH	oklch(36.11% 0.129 276.7)
XYZ	xyz(6.1001, 4.3328, 20.5894)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F317F #7F7D2F

analogous

#2F597F #2F317F #552F7F

triadic

#2F317F #7F2F31 #317F2F

tetradic

#2F317F #7F2F59 #7F7D2F #2F7F55

square

#2F317F #7F2F59 #7F7D2F #2F7F55

split-complementary

#2F317F #7F552F #597F2F

monochromatic

#0E0F26 #1E2052 #2F317F #4042AC #6366C5

Accessibility & contrast

On white

11.25

#2F317F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2F317F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F317F

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F317F	#FFFFFF	#000000	##FFFFFF
##2F317F	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f317f;
/* rgb */ color: rgb(47, 49, 127);
/* oklch */ color: oklch(36.1% 0.129 276.7);

Tailwind

colors: {
  custom: {
    50: '#7169a5',
    500: '#2f317f',
    950: '#000000',
  },
}

SCSS

$custom: #2f317f;
$custom-light: #7169a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f317f",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 127
  },
  "hsl": {
    "h": 238.5,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36113,
    "c": 0.12896,
    "h": 276.7
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary

#2F317F

secondary

#ACAA5E

accent

#D252D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F317F

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

Preview Lab → · Contrast checker → · Palette generator →