#2F237A#2F237A

#2F237A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.140 H 281.8°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F237A
RGB	rgb(47, 35, 122)
HSL	hsl(248, 55%, 31%)
HSV	hsv(248, 71%, 48%)
CMYK	cmyk(61.5%, 71.3%, 0%, 52.2%)
CIE-LAB	lab(20.87, 31.92, -47.70)
CIE-LCH	lch(20.87, 57.39, 303.79°)
OKLab	oklab(33.15% 0.0287 -0.1374)
OKLCH	oklch(33.15% 0.14 281.8)
XYZ	xyz(5.2851, 3.2112, 18.7499)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F237A #6E7A23

analogous

#23427A #2F237A #5A237A

triadic

#2F237A #7A2F23 #237A2F

tetradic

#2F237A #7A2342 #6E7A23 #237A5A

square

#2F237A #7A2342 #6E7A23 #237A5A

split-complementary

#2F237A #7A5A23 #427A23

monochromatic

#0A081B #1D154A #2F237A #4131AA #5D4CCC

Accessibility & contrast

On white

12.79

#2F237A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2F237A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F237A

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F237A	#FFFFFF	#000000	##FFFFFF
##2F237A	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357D

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2f237a;
/* rgb */ color: rgb(47, 35, 122);
/* oklch */ color: oklch(33.2% 0.140 281.8);

Tailwind

colors: {
  custom: {
    50: '#715fa1',
    500: '#2f237a',
    950: '#000000',
  },
}

SCSS

$custom: #2f237a;
$custom-light: #715fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f237a",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 122
  },
  "hsl": {
    "h": 248.276,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33153,
    "c": 0.14035,
    "h": 281.8
  },
  "luminance": 0.03212
}

Semantic roles & 50–950 ramp

primary

#2F237A

secondary

#9FAD4C

accent

#DF49CA

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2F237A

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

Preview Lab → · Contrast checker → · Palette generator →