#2F237C#2F237C

#2F237C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.143 H 281.4°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F237C
RGB	rgb(47, 35, 124)
HSL	hsl(248, 56%, 31%)
HSV	hsv(248, 72%, 49%)
CMYK	cmyk(62.1%, 71.8%, 0%, 51.4%)
CIE-LAB	lab(21.06, 32.59, -48.66)
CIE-LCH	lch(21.06, 58.57, 303.81°)
OKLab	oklab(33.35% 0.0284 -0.1402)
OKLCH	oklch(33.35% 0.143 281.4)
XYZ	xyz(5.4103, 3.2613, 19.4093)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F237C #707C23

analogous

#23437C #2F237C #5B237C

triadic

#2F237C #7C2F23 #237C2F

tetradic

#2F237C #7C2343 #707C23 #237C5B

square

#2F237C #7C2343 #707C23 #237C5B

split-complementary

#2F237C #7C5B23 #437C23

monochromatic

#0B081D #1D164C #2F237C #4130AC #5E4DCD

Accessibility & contrast

On white

12.71

#2F237C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2F237C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F237C

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F237C	#FFFFFF	#000000	##FFFFFF
##2F237C	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2f237c;
/* rgb */ color: rgb(47, 35, 124);
/* oklch */ color: oklch(33.3% 0.143 281.4);

Tailwind

colors: {
  custom: {
    50: '#715fa3',
    500: '#2f237c',
    950: '#000000',
  },
}

SCSS

$custom: #2f237c;
$custom-light: #715fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f237c",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 124
  },
  "hsl": {
    "h": 248.09,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33349,
    "c": 0.14303,
    "h": 281.4
  },
  "luminance": 0.03262
}

Semantic roles & 50–950 ramp

primary

#2F237C

secondary

#A1AF4C

accent

#DF49CB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2F237C

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

Preview Lab → · Contrast checker → · Palette generator →