#2F237D#2F237D

#2F237D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.4% C 0.144 H 281.3°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F237D
RGB	rgb(47, 35, 125)
HSL	hsl(248, 56%, 31%)
HSV	hsv(248, 72%, 49%)
CMYK	cmyk(62.4%, 72%, 0%, 51%)
CIE-LAB	lab(21.16, 32.93, -49.14)
CIE-LCH	lch(21.16, 59.15, 303.83°)
OKLab	oklab(33.45% 0.0282 -0.1416)
OKLCH	oklch(33.45% 0.144 281.3)
XYZ	xyz(5.4738, 3.2867, 19.7440)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F237D #717D23

analogous

#23447D #2F237D #5C237D

triadic

#2F237D #7D2F23 #237D2F

tetradic

#2F237D #7D2344 #717D23 #237D5C

square

#2F237D #7D2344 #717D23 #237D5C

split-complementary

#2F237D #7D5C23 #447D23

monochromatic

#0B081D #1D164D #2F237D #4130AD #5E4DCD

Accessibility & contrast

On white

12.67

#2F237D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2F237D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F237D

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F237D	#FFFFFF	#000000	##FFFFFF
##2F237D	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2f237d;
/* rgb */ color: rgb(47, 35, 125);
/* oklch */ color: oklch(33.4% 0.144 281.3);

Tailwind

colors: {
  custom: {
    50: '#725fa4',
    500: '#2f237d',
    950: '#000000',
  },
}

SCSS

$custom: #2f237d;
$custom-light: #725fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f237d",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 125
  },
  "hsl": {
    "h": 248,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33447,
    "c": 0.14437,
    "h": 281.3
  },
  "luminance": 0.03287
}

Semantic roles & 50–950 ramp

primary

#2F237D

secondary

#A2AF4C

accent

#E048CB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #2F237D

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

Preview Lab → · Contrast checker → · Palette generator →