#2F237F#2F237F

#2F237F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.6% C 0.147 H 280.9°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F237F
RGB	rgb(47, 35, 127)
HSL	hsl(248, 57%, 32%)
HSV	hsv(248, 72%, 50%)
CMYK	cmyk(63%, 72.4%, 0%, 50.2%)
CIE-LAB	lab(21.35, 33.60, -50.09)
CIE-LCH	lch(21.35, 60.31, 303.85°)
OKLab	oklab(33.65% 0.0278 -0.1444)
OKLCH	oklch(33.65% 0.147 280.9)
XYZ	xyz(5.6029, 3.3383, 20.4237)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F237F #737F23

analogous

#23457F #2F237F #5D237F

triadic

#2F237F #7F2F23 #237F2F

tetradic

#2F237F #7F2345 #737F23 #237F5D

square

#2F237F #7F2345 #737F23 #237F5D

split-complementary

#2F237F #7F5D23 #457F23

monochromatic

#0B091F #1D164F #2F237F #4130AF #5F4ECE

Accessibility & contrast

On white

12.59

#2F237F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2F237F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F237F

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F237F	#FFFFFF	#000000	##FFFFFF
##2F237F	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#00307D

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2f237f;
/* rgb */ color: rgb(47, 35, 127);
/* oklch */ color: oklch(33.6% 0.147 280.9);

Tailwind

colors: {
  custom: {
    50: '#725fa5',
    500: '#2f237f',
    950: '#000000',
  },
}

SCSS

$custom: #2f237f;
$custom-light: #725fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f237f",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 127
  },
  "hsl": {
    "h": 247.826,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33645,
    "c": 0.14704,
    "h": 280.9
  },
  "luminance": 0.03339
}

Semantic roles & 50–950 ramp

primary

#2F237F

secondary

#A4B14C

accent

#E048CC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #2F237F

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

Preview Lab → · Contrast checker → · Palette generator →