#2F237E#2F237E

#2F237E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.146 H 281.1°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#2F237E
RGB	rgb(47, 35, 126)
HSL	hsl(248, 57%, 32%)
HSV	hsv(248, 72%, 49%)
CMYK	cmyk(62.7%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(21.25, 33.26, -49.61)
CIE-LCH	lch(21.25, 59.73, 303.84°)
OKLab	oklab(33.55% 0.028 -0.143)
OKLCH	oklch(33.55% 0.146 281.1)
XYZ	xyz(5.5380, 3.3124, 20.0821)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F237E #727E23

analogous

#23457E #2F237E #5D237E

triadic

#2F237E #7E2F23 #237E2F

tetradic

#2F237E #7E2345 #727E23 #237E5D

square

#2F237E #7E2345 #727E23 #237E5D

split-complementary

#2F237E #7E5D23 #457E23

monochromatic

#0B081E #1D164E #2F237E #4130AE #5F4ECE

Accessibility & contrast

On white

12.63

#2F237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2F237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F237E

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F237E	#FFFFFF	#000000	##FFFFFF
##2F237E	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2f237e;
/* rgb */ color: rgb(47, 35, 126);
/* oklch */ color: oklch(33.5% 0.146 281.1);

Tailwind

colors: {
  custom: {
    50: '#725fa4',
    500: '#2f237e',
    950: '#000000',
  },
}

SCSS

$custom: #2f237e;
$custom-light: #725fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f237e",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 247.912,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33546,
    "c": 0.14571,
    "h": 281.1
  },
  "luminance": 0.03313
}

Semantic roles & 50–950 ramp

primary

#2F237E

secondary

#A3B04C

accent

#E048CC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #2F237E

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

Preview Lab → · Contrast checker → · Palette generator →