#2F237B#2F237B

#2F237B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.142 H 281.6°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#2F237B
RGB	rgb(47, 35, 123)
HSL	hsl(248, 56%, 31%)
HSV	hsv(248, 72%, 48%)
CMYK	cmyk(61.8%, 71.5%, 0%, 51.8%)
CIE-LAB	lab(20.97, 32.25, -48.18)
CIE-LCH	lch(20.97, 57.98, 303.80°)
OKLab	oklab(33.25% 0.0286 -0.1388)
OKLCH	oklch(33.25% 0.142 281.6)
XYZ	xyz(5.3474, 3.2361, 19.0779)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F237B #6F7B23

analogous

#23437B #2F237B #5B237B

triadic

#2F237B #7B2F23 #237B2F

tetradic

#2F237B #7B2343 #6F7B23 #237B5B

square

#2F237B #7B2343 #6F7B23 #237B5B

split-complementary

#2F237B #7B5B23 #437B23

monochromatic

#0B081C #1D154B #2F237B #4131AB #5E4CCC

Accessibility & contrast

On white

12.75

#2F237B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2F237B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F237B

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F237B	#FFFFFF	#000000	##FFFFFF
##2F237B	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2f237b;
/* rgb */ color: rgb(47, 35, 123);
/* oklch */ color: oklch(33.3% 0.142 281.6);

Tailwind

colors: {
  custom: {
    50: '#715fa2',
    500: '#2f237b',
    950: '#000000',
  },
}

SCSS

$custom: #2f237b;
$custom-light: #715fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f237b",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 123
  },
  "hsl": {
    "h": 248.182,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33251,
    "c": 0.1417,
    "h": 281.6
  },
  "luminance": 0.03236
}

Semantic roles & 50–950 ramp

primary

#2F237B

secondary

#A0AE4C

accent

#DF49CB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2F237B

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

Preview Lab → · Contrast checker → · Palette generator →